Seenipandian Ravi
Professor
Office Address: 102, 0361-2582707
Email: sravi@iitg.ac.in
http://www.iitg.ernet.in/physics/fac/sravi/
Publications
Journals
R. Hussain, Aakansha, B. Brahma, R. Basumatary, R. Brahma, S. Ravi and S. K. Srivastava"Magnetic Property of Thin Film of Co-Tb Alloys Deposited on the Barrier Layer of Ordered Anodic Alumina Templates. (DOI: 10.1007/s10948-020-05432-2)", Journal of Superconductivity and Novel Magnetism (In Press, 2020) vol.-, no.-, pp.---, [2020]
Pratap Behera and S. Ravi"Effect of Ni doping on structural, magnetic and dielectric properties of M-type barium hexaferrite ", Solid State Sciences vol.89, no., pp.139-149, [2019]
S. K. Srivastav, B.Samantaray, T. Bora and S. Ravi"Magnetic and electrical properties of Mn-substituted (La0.85Ag0.15)CoO3 compounds ", Journal of Magnetism and Magnetic Materials vol.474, no., pp.605-612, [2019]
Aakansha and S. Ravi"Study of impedance, dielectric and magnetic properties in Y3Fe5−xMnxO12 (x = 0–0.2) ", Journal of Materials Science: Materials in Electronics vol.DOI:10.100, no. , pp., [2019]
Aakansha and S. Ravi "Investigation of magnetic and relaxor dielectric properties of polycrystalline gadolinium iron garnet by Bi substitution", Applied Physics A vol.125, no.-, pp.498-1-498-9, [2019]
R. Hussain, Aakansha, B. Brahma, K. Basumatary, R. Brahma, S. Ravi and S. K. Srivastava"Sperimagnetism in Perpendicularly Magnetized Co-Tb Alloy-Based Thin Films", Journal of Superconductivity and Novel Magnetism vol.30, no.-, pp.4027-4031, [2019]
Aakansha and S. Ravi "Influence of Cr substitution on magnetic and dielectric properties of gadolinium iron garnets.", Solid State Communications vol.300, no.-, pp.113690-1-113690-7, [2019]
S. K. Srivastava and S. Ravi "Crystal Structure and Magnetic Properties of Cu-Substituted La0.90Ag0.10MnO3 Compounds", Journal of Superconductivity and Novel Magnetism vol.32, no.-, pp.3995-4003, [2019]
Pratap Behera and S. Ravi "Influence of Ti-Substitution on Structural, Magnetic and Dielectric Properties of M-Type Barium Hexaferrite", Journal of Electronic Materials vol.48, no.-, pp.-, [2019]
Mahananda Brahma, Aakansha, Vishwajit M. Gaikwad and S. Ravi "Investigation of structural, magnetic and dielectric properties of Al?doped samarium iron garnet", Applied Physics A vol.125, no.-, pp.333-1-333-11, [2019]
Vishwajit Manohar Gaikwad, Mahananda Brahma, Ritupan Borah and S. Ravi "Structural, optical and magnetic properties of Pr2FeCrO6 nanoparticles", Journal of Solid State Chemistry vol.278, no.-, pp.120903-1-120903-7, [2019]
Ranganadh. G. Tanguturi and S. Ravi "Anomalous low temperature electrical transport behaviour of Nd0.7Sr0.3MnO3 thin films: presence of localized magnetic moments", Materials Research Express vol.6, no.-, pp.106436--, [2019]
S K Srivastava, R Brahma, S Datta, Shampa Guha, Aakansha, S S Baro, B Narzary, D R Basumatary, Manoranjan Kar and S. Ravi "Effect of (Ni-Ag) co-doping on crystal structure and magnetic Property of SnO2", Materials Research Express vol.6, no.-, pp.126107--, [2019]
Aakansha and S. Ravi "Investigation of Negative Magnetization and Impedance Spectroscopy of Sm-Substituted Gadolinium Iron Garnets", Materials Research Express vol.6, no.-, pp.126113--, [2019]
Junmoni Barman and S. Ravi"Magnetization Reversal and Tunable Exchange Bias Behavior in Mn Substituted NiCr2O4", Journal of Materials Science vol.53, no.10, pp.7187-7198, [2018 ]
T.R. Gopalarao and S. Ravi "Study of electrical transport and magnetic properties of Nd0.7Sr0.3MnO3/ Nd0.8Na0.2MnO3 bilayer thin films", Journal of superconductivity and novel magnetism vol.31, no.4, pp.1149-1154, [2018 ]
Pratap Behera and S. Ravi"Impedance spectroscopy and magnetic properties of Mg doped Y-type barium hexaferrite ", Journal of Materials Science: Materials in Electronics vol.29, no.23, pp.20206-15, [2018]
Pratap Behera and S. Ravi"Magnetic and dielectric spectroscopic studies in Zn substituted Y-type barium hexaferrite ", Journal of Alloys and Compounds vol.797, no. , pp.712-723, [2018]
Bibhuti B Dash and S. Ravi"Structural, magnetic and electrical properties of Fe substituted GdCrO3 ", Solid State Sciences vol.83, no. , pp.189-200, [2018]
Bibhuti B Dash and S. Ravi"Magnetization reversal and exchange bias study in bulk Gd1−xYxCrO3 (x = 0.0–1.0) ", Journal of Magnetism and Magnetic Materials vol.461, no. , pp.91-99, [2018]
Aakansha and S. Ravi"Structural, magnetic and dielectric properties of Cr substituted yttrium iron garnets ", Journal of American ceramic society vol.101, no.111, pp.5046-60 , [2018]
Bibhuti. B. Dash and S. Ravi"Effect of Yttrium substitution on the structural and magnetic properties of GdCrO3", Journal of Magnetism and Magnetic Materials vol.448, no., pp.355-359, [2018]
Junmoni Barman and S. Ravi "Sign reversal of magnetization and exchange bias in Ni(Cr1-xAlx)2O4 (x=00.50)", Journal of Magnetism and Magnetic Materials vol.426, no. , pp.82-88, [2017]
Bibhuti B. Dash and S. Ravi"Magnetization reversal and tunable exchange bias in GdCr1-xMnxO3 (x = 0 0.50)", Journal of Magnetism and Magnetic Materials vol.429, no. , pp.281-286 , [2017]
T. R. Gopalarao and S. Ravi"Effect of film thickness on electrical and magnetic properties of Nd0.8Na0.2MnO3", Journal of Superconductivity and Novel Magnetism vol., no. , pp.01-Jun, [2017]
R. Padam, Swati Pandya, S. Ravi, S Ramakrishnan, A. K. Nigam, A. K. Grover and D. Pal "Study of the sign change of exchange bias across the spin reorientation transition in Co(Cr1-xFex)2O4 (x = 0.000.125) ", Journal of Physics Condensed Matter vol.29, no.5, pp.55803, [2017]
Junmoni Barman and S. Ravi"Study of Magnetic Compensation Behavior in Mn(Cr1-xFex)2O4", Journal of Magnetism and Magnetic Materials vol.437, no., pp.42-50, [2017]
Junmoni Barman and S. Ravi"Effect of Al Substitution in Structural and Magnetic Properties of MnCr2O4", Journal of Superconductivity and Novel Magnetism vol.31, no.1, pp.99-106, [2017]
Bipul Deka and S. Ravi"Ferromagnetism in Fe-doped BaTiO3 Ceramics", Journal of superconductivity and novel magnetism vol., no., pp., [2017]
T.R. Gopalarao, Bibhuti B. Dash and S. Ravi"Magnetic and electrical transport properties of La0.7Sr0.3MnO3/LaFeO3 bilayer thin films", Journal of Magnetism and Magnetic Materials vol.441, no.1, pp.531-536, [2017]
Aakansha, Bipul Deka and S. Ravi"Magnetic and dielectric properties of Y3-xSmxFe5O12 (x = 0 to 3.0)", Journal of superconductivity and novel magnetism vol., no., pp., [2017]
Bipul Deka and S. Ravi"Study of impedance spectroscopy and electric modulus of PbTi1-x FexO3 (x = 0.00.3) compounds", Journal of Alloys and Compounds vol.720, no. , pp.589-598, [2017]
Aakansha Singh, Bipul Deka, Seenipandian Ravi, D. Pamu"Impedance spectroscopy and ac conductivity mechanism in Sm doped Yttrium Iron Garnet", Ceramics International vol.43, no.13, pp.10468-10477, [2017]
Bipul Deka, Seenipandian Ravi, D. Pamu"Evolution of structural transition, grain growth inhibition and collinear antiferromagnetism in (Bi1-xSmx)FeO3 ( x = 0 to 0.3) and their effects on dielectric and magnetic properties", Ceramics International vol.43, no.18, pp.16580-16592, [2017]
T.R. Gopalarao, S. Ravi, D. Pamu"Electrical transport and magnetic properties of epitaxial Nd0.7Sr0.3MnO3 thin films on (001)-oriented LaAlO3 substrate", Journal of Magnetism and Magnetic Materials vol.409, no., pp.148-154, [2016]
Junmoni Barman, P. D. Babu and S. Ravi "Exchange bias and magnetization reversal in Ni(Cr1-xFex)2O4 (x=00.20)", Journal of Magnetism and Magnetic Materials vol.418, no. , pp. 300-305 , [2016]
Junmoni Barman and S. Ravi "Tunable exchange bias and bipolar switching of magnetization near room temperature", Journal of Superconductivity and Novel Magnetism vol.29, no.11, pp.2859-2865, [2016]
Tribedi Bora and S. Ravi"Study of critical behavior in ferromagnetic LaCr0.3Mn0.7O3 ", Journal of Magnetism and Magnetic Materials vol.418, no. , pp.213-216, [2016]
T. R. Gopalarao, S. Ravi and D. pamu"Effect of Film Thickness in Electrical Resistivity and Magnetic Properties of Nd0.7Sr0.3MnO3 Thin Films", Journal of Superconductivity and Novel Magnetism vol.29, no.10, pp.2567-2572, [2016]
Pratap Behera and S. Ravi"Influence of Al Substitution on Structural, Dielectric and Magnetic Properties of M-type Barium Hexaferrite", Journal of Superconductivity and Novel Magnetism vol., no., pp.01-Sep, [2016]
R. Padam, S. Ravi and D. Pal "Evolution of ferrimagnetism in Co(Cr1-xAlx)2O4 (x = 0.0 1.0)", Journal of Magnetism and Magnetic Materials vol.418, no., pp.231-235, [2016]
B. Samantaray, N. Khan, A. Midya, S. Ravi and P. Mandal"Giant magnetothermal conductivity and magnetostriction effect in the charge ordered Nd0.8Na0.2MnO3 Compound", Euro Physics Letter vol.113, no. , pp.17003-P1-17003-P5, [2016]
T.R Gopalarao, S Ravi, D Pamu"Electrical transport and magnetic properties of epitaxial Nd0. 7Sr0. 3MnO3 thin films on (001)-oriented LaAlO3 substrate ", Journal of Magnetism and Magnetic Materials vol.409, no. , pp.148-154, [2016]
B.B Dash, S Ravi"Sign reversal of magnetization in Mn substituted SmCrO 3 ", Journal of Magnetism and Magnetic Materials vol.405, no. , pp.209-213, [2016]
Tribedi Bora and S. Ravi"Sign reversal of magnetization and tunable exchange bias field in NdCr 1- x Fe x O 3 ( x = 0.05 0.2) ", Journal of Magnetism and Magnetic Materials vol.386, no. , pp.85-91, [2015]
T. R. Gopalarao, S. Ravi and D. Pamu,"Effect of post annealing process on electrical and magnetic properties of Nd0.7Sr0.3MnO3.", Journal of Superconductivity and Novel magnetism vol.28, no. , pp.1571-1576, [2015]
Junmoni Barman, Tribedi Bora and S. Ravi"Study of exchange bias and training effect in NiCr2O4 ", Journal of Magnetism and Magnetic Materials vol.385, no. , pp.93-98, [2015]
Junmoni Barman and S.Ravi, "Study of exchange bias behavior in Ni(Cr 1- x Fe x )2 O4", Solid State Communications vol.201, no. , pp.59-63, [2015]
Tribedi Bora and S. Ravi,"Sign reversal of magnetization and ferromagnetism in NdCr 1- x Mn x O 3 ( x = 0 0.50).", Journal of Superconductivity and Novel magnetism vol.28, no. , pp.869-872, [2015]
Tribedi Bora and S. Ravi "Sign reversal of magnetization and tunable exchange bias field in NdCr1-xFexO3 (x = 0.05 – 0.2)", Journal of Magnetism and Magnetic Materials vol.386, no. , pp. 85-91, [2015]
Junmoni Barman, Tribedi Bora and S. Ravi "Study of exchange bias and training effect in NiCr2O4", Journal of Magnetism and Magnetic Materials vol.385, no. , pp.93-98, [2015]
T. R. Gopalarao, S. Ravi and D. Pamu "Effect of post annealing process on electrical and magnetic properties of Nd0.7Sr0.3MnO3 thin films", Journal of Superconductivity and Novel magnetism vol.28, no. , pp.1571-1576 , [2015]
Junmoni Barman and S. Ravi "Study of exchange bias behavior in Ni(Cr1-xFex)2O4", Solid State Communications vol.201, no. , pp.59-63, [2015]
Tribedi Bora and S. Ravi "Sign reversal of magnetization and ferromagnetism in NdCr1-xMnxO3 (x = 0 – 0.50)", Journal of Superconductivity and Novel magnetism vol.28, no. , pp. 869-872, [2015]
Tribedi Bora and S. Ravi "Negative magnetization and the tunable exchange bias field in LaCr0.8Mn0.2O3", Journal of Magnetism and Magnetic Materials vol.358, no. , pp.208, [2014]
Tribedi Bora and S. Ravi "Bipolar switching of magnetization and tunable exchange bias in NdCr1-xMnxO3 (x = 0.0 – 0.30)", Journal of Applied Physics vol.116, no.63901, pp.6, [2014]
R. Padam, S. Ravi , S. Ramakrishnan, A. K. Grover and D. Pal "Exchange bias in non-collinear spin-spiral system Co(Cr1-xCox)2O4 (x = 0.0 – 0.1)", Journal of Magnetism and Magnetic Materials vol.371, no. , pp.144-148, [2014]
Bipul Deka, S. Ravi , A. Perumal and D. Pamu "Ferromagnetism and ferroelectricity in Fe doped BaTiO3", Physica B: Condensed Matter vol.448, no. , pp.204-206, [2014]
R. Padam, S.Ravi and D. Pal "Entanglement of lock-in transition and exchange bias in Co(Cr0.9Co0.1)2O4 ", Physica B: Condensed Matter vol.448, no. , pp.191-193, [2014]
T. R. Gopalarao, Tribedi Bora, S. Ravi and D. Pamu "Structural, optical and magnetic properties of Nd0.7Sr0.3MnO3 thin films", Physics Procedia vol.54, no. , pp. 70- 74, [2014]
Tribedi Bora and S. Ravi "Effect of Ce doping on the magnetic properties of LaCrO3", Physica B:Condense Matter vol.448, no. , pp.233-236, [2014]
Tribedi Bora and S. Ravi "Study of Magnetization Reversal in LaCr 1-x Fe x O 3 Compounds", Journal of Applied Physics vol.114, no. , pp.033906 - 033906, [2013]
Tribedi Bora and S. Ravi "Sign reversal of magnetization of magnetization and exchange bias field in LaCr0.85Mn0.15O3", Journal of Applied Physics vol.114, no. , pp.183902, [2013]
R. Padam, S. Pandey, S. Ravi , A. K. Nigam, S. Ramakrishnan, A. K. Grover and D. Pal "Magnetic compensation effect and phase reversal of exchange bias field across compensation temperature in multiferroic Co(Cr0.95Fe0.05)2O4", Applied Physics Letters vol.102, no. , pp.112412, [2013]
R. K. Bhuyan, T. Santhosh Kumar, A. Perumal , S. Ravi , and D. Pamu "Optical Properties of Ambient Temperature Grown Nanocrystalline Mg2TiO4 Thin films Deposited by RF Magnetron Sputtering ", Surface and Coatings Technology vol.221, no. , pp.196, [2013]
Sunita Mohanty and S.Ravi "Critical Behavior of Ferromagnetic Transition in SnO2 based Diluted Magnetic Semiconductor", Journal of Superconductivity and Novel Magnetism vol.26, no. , pp.157-164, [2013]
Sunita Mohanty, Manoranjan Kar and S.Ravi "Ferromagnetism in Mechanically Milled Pure SnO2", International Journal of Modern Physics B vol.27, no. , pp.1350025, [2013]
Tribedi Bora, P. Saravanan and S.Ravi "Antiferromagnetism and the Effect of Exchange Bias in LaCr1-xFexO3 (x= 0.40 to 0.60)", Journal of Superconductivity and Novel Magnetism vol.26, no. , pp.1645–1648, [2013]
Tribedi Bora, A. Nandy, R. K. Bhuyan, D. Pamu and S. Ravi "Magnetic, Electrical and Optical Properties of Nd0.85 K0.15 MnO3 Thin Film", Advanced Nanomaterials and Nanotechnology (Springer Proceedings in Physics) vol.143, no. , pp.449, [2013]
B.Samantaray, S.K. Srivastava and S.Ravi "Particle Size Effect on the suppression of charge ordering in Nd0.8 Na0.2MnO3", Journal of Applied Physics vol.111, no. , pp.13919, [2012]
R. K. Bhuyan, T. Santhosh Kumar, A. Perumal , S. Ravi and D. Pamu "Optical Properties of Ambient Temperture Grown Nanocrystalline Mg2TiO4Thin Films Deposited by RF Magnetron Sputtering", Surface and Coatings Technology vol., no. , pp., [2012]
Sunita Mohanty and S.Ravi "Ferromagnetism in mechanically milled Sn1-xCoxO2 (x=0 to 0.10) compounds", Journal of Superconductivity and Novel Magnetism vol.25, no. , pp.1017-1023, [2012]
B. Samantaray, S.Ravi , A. Das and S.K. Srivastava"Magnetic Structure and Magnetic Properties of Nd1-xNaxMnO3 Compounds", Journal of Applied Physics vol.110, no. , pp.93906, [2011]
B.Samantaray, S.K. Srivastava and S.Ravi "Magnetic dynamics of charge ordered Nd0.8Na0.2MnO3 Compound", Journal of Magnetism and Magnetic Materials vol.323, no. , pp.2622, [2011]
B. Samantaray, S.K. Srivastava, S.Ravi , I. Dhiman and A. Das"Neutron powder diffraction study in La0.85Ag0.15MnO3", Journal of Superconductivity and Novel Magnetism vol.24, no. , pp.1933, [2011]
B. Samantaray and S.Ravi "Ferromagnetic and charge ordered phases in (Nd,Na)-Mn-O compounds", Journal of Superconductivity and Novel Magnetism vol.24, no. , pp.809, [2011]
Sunita Mohanty, S.Ravi , H.S. Jena and V. Manivannan"Structural and Magnetic Properties of Nanocrystalline Sn0.98Co0.02O2 under different Annealing conditions", International Journal of Nanoscience vol.10, no. , pp.313-317, [2011]
Tribedi Bora, B.Samantaray, S.Mohanty and S.Ravi "Ferromagnetism and BoundMagnetic Polaron Behavior in(In1-xCox)2O3 ", IEEE Transactions on Magnetics vol.47, no. , pp.399, [2011]
A. C. Mishra, T. Sahoo, V. Srinivas, A. K. Thakur, B. Samantaray and S.Ravi "Large enhancement of giant magnetoimpedance property in electrodeposited NiFe/Cu wire with copper additive in plating bath", Solid State Communications vol.151, no. , pp.1787-1790, [2011]
B. Samantaray, S. Ravi , A. Perumal , I. Dhiman and A. Das"Neutron powder diffraction studies and magnetic properties in Nd1-xKxMnO3 (x=0.15 and 0.20) compounds", Journal of Applied Physics vol.109, no. , pp.7.00E+150, [2011]
Sunita Mohanty and S. Ravi "Ferromagnetism and bound magnetic polaron behavior in bulk Sn1-x¬CoxO2", Solid State Communications vol.150, no. , pp.739-742, [2010]
M.L. Dinesha, H.S. Jayanna, S. Mohanty and S. Ravi "Structural, electrical and magnetic properties of Co and Fe co-doped ZnO nanoparticles prepared by solution combustion method", Journal alloys and compounds vol.490, no. , pp.618-623, [2010]
S. Mohanty and S. Ravi "Magnetic Properties of Co doped SnO2 Diluted Magnetic Semiconductors", Indian Journal of Physics vol.84, no. , pp.735-739 , [2010]
B. Samantaray, S.Ravi and A. Perumal "Critical behaviour studies in ferromagnetic (Nd,K)-Mn-O compounds Nd1-xKxMnO3 (x = 0.16 and 0.21) ", Journal Mangnetism and Magnetic Materials vol.322, no. , pp.3391, [2010]
S. Mohanty and S.Ravi "Magnetic Properties of Sn1-xNixO2 based diluted magnetic semiconductors", Solid State Communications vol.150, no. , pp.1570-1574, [2010]
B. Samantaray, S. K. Srivastava, S. Mohanty and S. Ravi , I. Dhiman and A. Das"Neutron Powder Diffraction Studies in LaMn¬1-xCuxO3 (x=0.05, 0.10 and 0.15)", Journal of Applied Physics vol.107, no. , pp.09D719 -1 to 3, [2010]
B. Samantaray and S. Ravi "Reentrant spin glass behavior in Nd0.84K0.12MnO3", Journal of Magnetism and Magnetic Materials vol.322, no. , pp.2038-2042, [2010]
S. K.Srivastava and S. Ravi "Magnetic properties of transition metal substituted (La¬0. 85 Ag0.15)Mn1-yMyO3 compounds (M= Co, Cr & Al)", Journal of Magnetism and Magnetic Materials vol.321, no. , pp.4072-4080, [2009]
B. Samantaray and S. Ravi "Magnetic properties of Nd1-x KxMnO3 Compounds", Journal of Magnetism and Magnetic Materials vol.321, no. , pp.3671-3676, [2009]
S. K. Srivastava and S. Ravi "Role of Co substitution on the Crystal Structure and Electrical Resistivity of (La0.85Ag0.15)MnO3 Compounds", Journal of Superconductivity and Novel Magnetism vol.22, no. , pp.651-658, [2009]
S. K. Srivastava, Manoranjan Kar and S. Ravi "Electrical Transport and Magnetic Properties of La0.85Ag0.15(Mn1-y Aly)O3", Indian Journal of Physics vol.82, no. , pp.695-699, [2008]
P.K. Nayak and S. Ravi "Study of Critical Current Density from ac susceptibility measurements in (La1-xYx)2Ba2CaCu5Oz", Indian Journal of Physics vol.82, no. , pp.603-610, [2008]
M. Raghusankar, S. Sarma , S. Ravi and A. Srinivasan "Magnetic and Martensitic Transformations in Ni-Fe-Ga Alloy", Indian Journal of Physics vol.82, no. , pp.169-172, [2008]
S.K.Srivastava, Manoranjan Kar and S. Ravi "Preparation, characterization and magnetic properties of hexagonal Y1-x-CexMnO3", Indian Journal of Physics vol.82, no. , pp.195-200, [2008]
S.K.Srivastava and S. Ravi "Magnetic Properties of Nd1-xAgxMnO3 Compounds ", Journal of Physics: Condensed Matter vol.20, no. , pp.505212-1- 8, [2008]
S. Ravi ,Manoranjan Kar, S. M. Borah, and P. S. R. Krishna"Neutron powder diffraction studies in CaMn1-xCuxO3 (x = 0, 0.2)", Crystal Research and Technology vol.43, no. , pp.1318-1322, [2008]
S.K.Srivastava, Manoranjan Kar, S. Ravi , P.K. Mishra and P.D. Babu"Magnetic Properties of Electron Doped Y1-xCexMnO3 Compounds", Journal of Magnetism and Magnetic Materials vol.320, no. , pp.2382-2386, [2008]
S. K. Srivastava, Manoranjan Kar and S. Ravi "Ferromagnetic Insulating and Spin Glass Behavior in Cr Substituted La0.85Ag0.15MnO3 Compounds", Journal of Physics: Condensed Matter vol.20, no. , pp.235201-1 -7, [2008]
S. K. Srivastava, Manoranjan Kar and S. Ravi "Effect of Co doping on the Magnetic Properties of La0.85Ag0.15(Mn1-yCoy)O3", Journal of Magnetism and Magnetic Materials vol.320, no. , pp.e107-e110, [2008]
S. K. Srivastava, Manoranjan Kar and S. Ravi "Effect of Al Substitution on La0.85Ag0.15MnO3 Double Exchange Ferromagnetic Compound", Materials Science and Engineering B vol.147, no. , pp.84-89, [2008]
P.K. Nayak and S. Ravi "Crystal Structure and Characterization of Pure and Ag doped (La1-xYx)2Ba2CaCu5Oz (0 x 0.5) Superconductors", Journal of the American Ceramic Society vol.19, no. , pp.2819-2823, [2007]
M. Kar, A. Perumal and S. Ravi "Critical Behaviour Studies in La1-xAgxMnO3 Double Exchange Ferromagnet", Phys. Status. Solidi A vol.243, no. , pp.1908, [2006]
P.K. Nayak and S. Ravi"Excess conductivity and magneto-conductivity studies in pure and Ag doped (La1-xYx) 2Ba2CaCu5Oz Superconductors", Superconductor Science and Technology vol.19, no.3 III , pp.1209-1214, [2006]
P.K. Nayak and S. Ravi"Excess Conductivity in the Paracoherence Regime of pure and Ag doped (La1-xYx) ¬2Ba2CaCu5Oz superconductors", Solid State Communications vol.140, no., pp.464-468, [2006]
P.K. Nayak and S. Ravi"Study of Magneto-Conductivity in (La¬1.6Y0.4)Ba2-Ca0.8Cu4.8Oz Superconductors", Journal of Superconductivity and Magnetism vol.19, no. , pp.515-520, [2006]
S.K. Srivastava, M. Kar and S. Ravi"Linear and Non-linear AC Susceptibility Studies in La(Mn1-x-Cux)O3", Journal of Magnetism and Magnetic Materials vol.307, no. , pp.318-324, [2006]
P.K. Nayak and S. Ravi"AC Susceptibility and Intergranular Critical Current Density Study in Pure and Ag doped (La1-xYx)Ba2CaCu5Oz Superconductors", Solid State Communications vol.138, no. , pp.377-381, [2006]
M. Kar, S.M. Borah and S. Ravi"Study of Electrical Transport and Magnetic Properties in CaMn1-xCuxO3", Materials Science and Engineering vol.B 129, no. , pp.54-58, [2006]
M. Kar and S. Ravi"Electrical Resistivity and Ac Susceptibility Studies In Sr1-xLaxMnO3", Modern Physics Letters B vol.20, no. , pp.1517-1528, [2006]
P. K. Nayak and S. Ravi"Excess Conductivity in the Mean Field and Paracoherence Regimes of (La¬1.6Y0.4)Ba2Ca0.8Cu4.8Oz Superconductors", Modern Physics Letters B vol.20, no. , pp.111-122, [2006]
P. K. Nayak and S. Ravi"Excess Conductivity in the Mean Field and Paracoherence Regimes of (La1.6Y0.4)Ba2Ca0.8Cu4.8Oz Superconductors", Mod. Phys. Lett. vol.B 20, no. , pp.111, [2006]
S.Keshri, V. Dayal, S. Ravi and P.K. Nayak"AC Susceptibility Studies in Single Phase Bi-2223 System", Czechoslovak Journal of Physics vol.55, no. , pp.74-84, [2005]
M. Kar and S. Ravi"Study of ac susceptibility and Magneto Resistivity in Ba1-xLaxMnO3 (x=0.30 to 0.70) Compounds", Mater. Sci. and Engg. vol.B 123, no. , pp.95, [2005]
M. Kar and S. Ravi"Study of Electrical Transport and AC susceptibility in LaMn1-xCuxO3", Mod. Phys. Lett. vol.B 19, no. , pp.317, [2005]
M. Kar and S. Ravi "Study of Crystal Structure, Electrical Transport and Magnetic Property in La1-xCuxMnO3 Compounds", Materials Sc. Engg.B vol.107, no. , pp. 332-336, [2004]
Manoranjan Kar and S. Ravi"Electrical resistivity and AC susceptibility studies in La1-xAgxMnO3", Materials Science and Engineering vol.B 110, no. , pp.46, [2004]
Manoranjan Kar and S. Ravi"Study of Structural, Electrical Transport and Magnetic Properties in La1-xAgxMnO3 Compounds", Modern Physics Letters vol.B 18, no. , pp.221, [2004]
S. Ravi and Manoranjan Kar"Study of magneto-resistivity in La1-xAgxMnO3 compounds", Physica vol.B 348, no. , pp.169, [2004]
Conferences
Aakansha, Bipul Deka and S. Ravi "Study of Dielectric Relaxation of Y3Fe5O12 above Room Temperature", International Conference on Technologically Advanced materials and Asian Meeting on Ferroelectricity (ICTAM-AMF) vol., no. , pp. , [Nov. 7-11, 2016]
Junmoni Barman and S. Ravi"Sign Reversal of Magnetization and Exchange Bias Field near Room Temperature", Xth National Conference of Physics Academy of North East (PANE) vol., no. , pp. , [Nov. 10-12, 2016]
Bipul Deka and S. Ravi"Positive temperature coefficient of coercivity and resistivity in Fe doped PbTiO3 ceramics", National Conference in Advances in Material Science vol., no. , pp. , [March 24-25, 2017]
Junmoni Barman and S. Ravi"Study of Magnetic Compensation Behavior in Mn(Cr1-xFex)2O4", National Conference in Advances in Material Science vol., no. , pp. , [March 24-25, 2017 ]
Bibhuti B. Dash and S. Ravi"Study of structural and magnetic properties of Mn substituted GdCrO3", National Conference in Advances in Material Science vol., no. , pp. , [March 24-25, 2017 ]
Junmoni Barman and S. Ravi"Study of Exchange Bias effect in Ni(Cr0.85Al0.15)2O4", International Conference on Materials Science and Technology (ICMST) vol., no. , pp., [June 5-8, 2016]
Pratap Behera and S. Ravi"Effect of Al-substitution on structural and magnetic properties of barium hexaferrite ", International Conference on Materials Science and Technology (ICMST) vol., no. , pp. , [June 5-8, 2016 ]
Pratap Behera and S. Ravi"Investigation of crystal structure and magnetic properties of Mg doped Y-type barium hexaferrite ", International Conference on Material Science (ICMS) vol., no. , pp. , [Feb. 16-18, 2017]
Bibhuti B. Dash and S. Ravi"Study of magnetization reversal in SmCr0.85Mn0.15O3 ", International Conference on Material Science (ICMS) vol., no. , pp. , [Feb. 16-18, 2017 ]
Aakansha, Bipul Deka and S. Ravi "Magnetic and Dielectric properties of Y3-xSmxFe5O12 ", International Conference on Magnetic Materials and Applications (ICMAGMA) vol., no. , pp. , [Feb. 1-3, 2017]
Tribedi Bora and S. Ravi"Effect of particle size on the magnetic properties of Nd0.8K0.2MnO3", International Conference on Magnetic Materials and Applications (ICMAGMA) vol., no. , pp. , [Feb. 1-3, 2017 ]
Pratap Behera and S. Ravi"Effect of Zn doping on structural and magnetic properties of Ba2(Co1-xZnx)2Fe12O22 hexaferrite ", International Conference on Magnetic Materials and Applications (ICMAGMA) vol., no. , pp. , [Feb. 1-3, 2017 ]
Bibhuti B. Dash and S. Ravi"Effect of Yttrium substitution on the magnetic properties of GdCrO3", International Conference on Magnetic Materials and Applications (ICMAGMA) vol., no. , pp. , [Feb. 1-3, 2017 ]
Junmoni Barman and S. Ravi"Study of Tunable Exchnage Bias Behavior on Ni(Cr1-xMnx)2O4 ", International Conference On Innovative Research In Applied Physics, Material Sciences, Instrumentation, Electronics, Communication, Electrical, Power Control, Computer Science and Information Technology (TECHNOVA-2016) vol., no. , pp. , [Dec. 22-23, 2016]
Bipul Deka, S. Ravi, A. Perumal and D. Pamu "Study of Electric Modulus and Scaling Behavior in YFeO3 ", International Conference On Innovative Research In Applied Physics, Material Sciences, Instrumentation, Electronics, Communication, Electrical, Power Control, Computer Science and Information Technology (TECHNOVA-2016) vol., no. , pp. , [Dec. 22-23, 2016 ]
Bipul Deka, S. Ravi and A. Perumal"High temperature weak ferromagnetism in Fe doped PbTiO3 ", International Conference On Innovative Research In Applied Physics, Material Sciences, Instrumentation, Electronics, Communication, Electrical, Power Control, Computer Science and Information Technology (TECHNOVA-2016) vol., no. , pp. , [Dec. 22-23, 2016 ]
T.R. Gopalarao, S. Ravi, D. Pamu"Thickness dependent Electrical and Magnetic Properties of Nd0.7Sr0.3MnO3 Thin Films", International Conference of Magnetism and Magnetic Materials (ICMAGMA-2015) held at VIT vol., no. , pp. , [Dec 2-4,2015 ]
Aakansha and S. Ravi"Investigation of Magnetic and Dielectric Properties of Cr substituted Gd3Fe5O12", International Conference on Advanced Materials ? 2019 held in Nirmalagiri College, Kannur, Kerala during Jun. 12-14, 2019. vol., no., pp.995-999, [2019]
Mahananda Brahma and S. Ravi"Magnetizationreversal and metal-to-semiconductor like transition in Al-substituted lithium-chromium ferrite", 6th International Conference on Advanced Nanomaterials and Nanotechnology (ICANN)- 2019 held in IIT Guwahati, Assam during Dec. 18-21, 2019 vol., no., pp.1 - 3, [2019]
K. Pushpanjali Patra and S. Ravi"Structural and Magnetic Properties of FeMn2O4", 6th International Conference on Advanced Nanomaterials and Nanotechnology (ICANN)- 2019 held in IIT Guwahati, Assam during Dec. 18-21, 2019 vol., no., pp.1 - 3, [2019]
Aakansha and S. Ravi"Magnetic and Dielectric Properties of Sm and BiSubstituted Gadolinium Iron Garnet", International Conference on Multifunctional Materials (ICMM)-2019 Geethanjali college of Engineering and Technology, Hyderabad, during Dec. 19- 21, 2019 vol., no., pp.-, [2019]
Bibhuti B. Dash and S. Ravi"Magnetic characterization of orthochromites using vibrating sample magnetometer", International Conference on Sophisticated Instruments in Modern Research (ICSIMR 2017) vol., no. , pp.152, [2017]
Junmoni Barman and S. Ravi"Effect of Mn substitution in the magnetic properties of NiCr2O4: a systematic study by using vibrating sample magnetometer", International Conference on Sophisticated Instruments in Modern Research (ICSIMR 2017) vol., no. , pp.71, [2017]
Pratap Behera and S. Ravi"Magnetic characterization of Zn doped Y-type Hexaferrite", International Conference on Sophisticated Instruments in Modern Research (ICSIMR 2017) vol., no. , pp.132, [2017]
Aakansha and S. Ravi Aakansha and S. Ravi Aakansha and S. Ravi"Magnetic and Dielectric Properties of Y3-x SmxFe5O22", International Conference on Sophisticated Instruments in Modern Research (ICSIMR 2017) vol., no. , pp.93, [2017]
Aakansha and S. Ravi Aakansha and S. Ravi Aakansha and S. Ravi"Study of structural, Magnetic and Dielectric properties of Y3Fe5-xCrxO12", Condensed Matter Days -2017 vol., no. , pp., [2017]
Aakansha and S. Ravi Aakansha and S. Ravi Aakansha and S. Ravi"Magnetic and Dielectric properties of Y3-xSmxFe5O12", International Conference on Condensed Matter and Applied Physics International Conference on Condensed Matter and Applied Physics International Conference on Condensed Matter and Applied Physics vol., no. , pp. , [2017]
Pratap Behera and S. Ravi Aakansha and S. Ravi Aakansha and S. Ravi"Structural, Dielectric and Magnetic studies of Zn doped Y-type Hexaferrite", Condensed Matter Days -2017 Applied Physics International Conference on Condensed Matter and Applied Physics International Conference on Condensed Matter and Applied Physics vol., no. , pp. , [2017]
Junmoni Barman and S. Ravi"Sign Reversal of Magnetization and Exchange Bias Field in Ni(Cr1-xFex)2O4 (x = 0.30 & 0.40) ", Research Conclave, 2017 vol., no. , pp. , [2017]
B. Deka, S. Ravi and A. Perumal "Effect of Sm doping on the structural and magnetic properties of BiFeO3", International Conference on Magnetic Materials and Application (IC-MagMA-2014) vol.1, no. , pp.293, [2014]
Bipul Deka, S. Ravi , A Perumal and D. Pamu "Ferromagnetism, Ferroelectricity in Fe doped BaTiO3", International Conference on Magnetic Materials & Applications (MagMA 2013), IIT Guwahati, Assam, India vol., no. , pp. , [2013]
Ranganadha Gopalarou,T.Bora, S Ravi and D. Pamu "Structural,optical and magnetic properties of Nd 0.7 Sr 0.3 MnO3 thin films", International Conference on Magnetic Materials & Applications (MagMA 2013), IIT Guwahati, Assam, India vol., no. , pp. , [2013]
R. Padam, S. Pandey, S. Ravi , A. K. Grover and D. Pal "Exchange bias effect in Co(Cr0.925Fe0.075)2O4", AIP Conference Proceeding vol.1512, no. , pp.1112, [2013]
Tribedi Bora and S. Ravi "Weak ferromagnetism in Ce doped LaCrO", Presented at III National Conference on Advanced Materials (NCAM) held at PSN College of Engineering and Technology, Tirunelveli vol., no. , pp. , [2013]
R. Padam, Swati Pandya, S. Ravi , S. Ramakrishnan, A. K. Grover and D. Pal "Anomalous Magnetic Properties of Co(Cr1-xFex)2O4", Presented at III National Conference on Advanced Materials (NCAM) held at PSN College of Engineering and Technology, Tirunelveli vol., no. , pp. , [2013]
S. Ravi "Spintronics and Diluted Magnetic Semiconductors", Invited talk delivered at National Conference on Advanced Materials (NCAM) held PSN College of Engineering and Technology, Tirunelveli vol., no. , pp. , [2013]
Tribedi Bora, A. Nandy, R. K. Bhuyan, D. Pamu and S. Ravi "Magnetic, electrical and optical properties of Nd0.85 K0.15 MnO3 thin films", Proc. International conference on Nano Science and Technology (ICONSAT), Hyderabad, India vol., no. , pp. , [2012]
A. Nandy, T. Bora, R. K. Bhuyan, D. Pamu and S. Ravi "Preparation and Characterization of charge ordered Nd0.8Na0.2MnO3 thin films", AIP Proceedings vol.1447, no., pp.1117, [2012]
T. Bora, A. Nandy, R. K. Bhuyan, S. Ravi and D. Pamu "Preaparation and Characterization of Nd0.8K0.2MnO3 Thin Films", AIP Proceedings vol.1447, no. , pp.1119, [2012]
S. Ravi "Magnetic properties of Bulk and Nanoparticles of K and Na doped Nd-Mn-O manganites", Invited talk delivered at International conference on Recent Trends in Advanced Matericals (ICRAM-2012), VIT Univerisity, Vellore vol., no. , pp., [2012]
Tribedi Bora, P. Saravanan and S. Ravi "Antiferromagnetism and the Effect of Exchange Bias in LaCr1-xFexO3 (x= 0.40 to 0.60)", Presented at International Conference on Superconductivity and Magnetism (ICSM-202) held at Istanbul, Turkey vol., no. , pp. , [2012]
Tribedi Bora, B. Roy and S. Ravi "Suppression of Ferromagnetism in Nanocrystalline Nd0.80K0.20MnO3", Presented at International Conference on Superconductivity and Magnetism (ICSM-202) held at Istanbul, Turkey vol., no. , pp. , [2012]
R. Padam, D. Pal , S. Ravi , A. K. Grover† and S. Ramakrishnan"Structural and Magnetic Properties of Co(cr1-yAly)2O4 (y=0.0-0.2) Compounds", Presented at International Conference on Superconductivity and Magnetism (ICSM-202) held at Istanbul, Turkey vol., no. , pp. , [2012]
T. Santhosh Kumar, R. K. bhuyan, S. Ravi and D. Pamu "Structural and dielectric studies of MgTiO3 thin films deposited by RF magnetron sputtering", Proc. Taiwan Association for Coating and Thin Film Technology (TACT 2011), Kenting, Taiwan vol., no. , pp. , [2011]
R. K. Bhuyan, T. Santhosh Kumar, A. Perumal , S. Ravi and D. Pamu "Optical properties of ambient temperature grown nanocrystalline Mg2TiO4 thin films", Proc. Taiwan Association for Coating and Thin Film Technology (TACT 2011), Kenting, Taiwan vol., no. , pp. , [2011]
Tribedi Bora, A. Nandy, B. Samantaray, R. K. Bhuyan, D. Pamu and S. Ravi "Preparation and characterization of Nd0.8K0.15MnO3 thin films", Proc 56th DAE Solid State Physics Symposium, SRM University, Tamil Nadu vol., no. , pp. , [2011]
Anshuman Nandy, Tribedi Bora, B. Samantaray, R. K. Bhuyan, D. Pamu and S. Ravi "Preparation and characterization of charge ordered Nd0.8Na0.2MnO3 thin films", Proc 56th DAE Solid State Physics Symposium, SRM University, Tamil Nadu vol., no. , pp. , [2011]
Tribedi Bora, A. Nandy, R. K. Bhuyan, D. Pamu and S. Ravi "Magnetic, Electrical and optical properties of Nd0.85 K0.15 MnO3 thin films", Proc. 2nd International Conference of Advance Nanomaterials and Nanotechnology, IITG. (ICANN 2011) vol., no. , pp. , [2011]
Sunita Mohanty and S. Ravi "Ferromagnetism in mechanically milled Sn1-xCoxO2 (x=0 to 0.10) compounds", Oral presentation in IEEE International Magnetics Conference, Taipei, Taiwan vol., no. , pp. , [2011]
Sunita Mohanty, M. Kar and S. Ravi "Magnetic Properties of Nanocrystalline SnO2 prepared by mechanical synthesis", 2nd International Conference of Advance Nanomaterials and Nanotechnology, IIT Guwahati vol., no. , pp. , [2011]
Tribedi Bora, R. K. Bhuyan, A. Nandy, D. Pamu and S. Ravi "Electrical Resistivity and Magnetic Properties of Nd0.85K0.15MnO3 Thin Films", Taiwan Asssociation of Coating and Thin Film Technology, Howard Beach Resort, Taiwan (TACT2011) vol., no. , pp. , [2011]
B. Samantaray, S.K. Srivastava and S. Ravi "Magnetic dynamics of charge ordered Nd0.8Na0.2MnO3 Compound", National Conference on Magnetic Materials and Applications -MagMA 2011,SNBNCBS, Kolkata vol., no. , pp. , [2011]
T. Bora and S. Ravi "Synthesis and study of magnetic properties in Co doped In2O3", National Conference on Magnetic Materials and Applications -MagMA 2011,SNBNCBS, Kolkata vol., no. , pp. , [2011]
B. Samantaray and S. Ravi "Structural and Magnetic Properties of Alkali Doped Nd-Mn-O Series’ Physics and Technology of Novel Materials", Physics and Technology of Novel Materials, Sambalpur University, Sambalpur vol., no. , pp. , [2010]
B. Samantaray and S. Ravi "Colossal Magneto-Resistivity and Charge ordering in Alkali Doped Nd-Mn-O Series", National Seminar on Condensed Matter Physics-NSCMP,Tripura University, Agartala vol., no. , pp. , [2010]
B. Samantaray, S. K. Srivastava, S. Mohanty, I. Dhiman and S. Ravi "Neutron Powder Diffraction Study and magnetic properties in LaMn1-x¬CuxO3 (x=0.05 - 0.15)", The 11th Joint MMM – Intermag Conference,Washington DC, USA vol., no. , pp. , [2010]
B. Samantaray and S. Ravi "Magnetic Properties of nanocrystalline and charge ordered (Nd,Na)-Mn-O Compounds", Recent Advances in Correlated Electron System, RACES-2010, Dept. of Physics, I.I.T Guwahati vol., no. , pp. , [2010]
S. Mohanty, P.Nath and S. Ravi "Effect of metal doping on the formation of bound magnetic polaron in Transition metal-doped SnO2 ", Recent Advances in Correlated Electron System, RACES-2010, Dept. of Physics, I.I.T Guwahati vol., no. , pp. , [2010]
B. Samantaray, S. Ravi , A. Perumal , I. Dhiman and A. Das "Neutron powder diffraction studies and magnetic properties in Nd1-xKxMnO3 (x=0.15 and 0.20) compounds ", Presented in Annual Conference on Magnetism and Magnetic Materials, Atlanta, USA vol., no. , pp. , [2010]
S. Mohanty and S. Ravi "Giant magnetic moment in mechanically milled Sn1-xCoxO2 compounds", Current Trends in Condensed Matter Physics, NISER, Bhubaneswar, India vol., no. , pp. , [2010]
B. Samantaray and S. Ravi "Ferromagnetic insulating to charge ordered state in (Nd,Na)-Mn-O Series", International conference on superconductivity and magnetism,Analya, Turkey vol., no. , pp. , [2010]
S. Mohanty, P.Nath and S. Ravi "Effect of Sb doping in (Sn0.95Fe0.05)O2 based diluted magnetic semiconductors ", 54th DAE Solid State Physics Symposium vol.54, no. , pp. 1055-1056 , [2009]
S. Mohanty, S.Ravi , H.S. Jena and V. Manivannan"Structural and Magnetic Properties of Nanocrystalline Sn0.98Co0.02O2 under different annealing conditions", International conference on Advanced Nano Materials and Nanotechnology, I.I.T Guwahati vol., no. , pp. , [2009]
S. Mohanty and S.Ravi "Room temperature Ferromagnetism in Ni-doped SnO2 based Diluted Magnetic Semiconductor", Discussion meeting on Statistical Physics and Condensed Matter Physics,I.I.T Guwahati vol., no. , pp. , [2009]
B. Samantaray, S.Ravi and A. Perumal "Critical Behavior Studies in Nd-Mn-O based double exchange ferromagnetic compounds", Discussion meeting on Statistical Physics and Condensed Matter Physics,I.I.T Guwahati vol., no. , pp. , [2009]
B. Samantaray, S. Mohanty, S. Ravi , I. Dhiman and A. Das"Neutron Powder Diffraction Studies in LaMn1-xCuxO3 (x=0.15 and 0.20)", Conference on Neutron Scattering and Mesoscopic Systems, Goa, India vol., no. , pp. , [2009]
M L Dinesha, H S Jayanna, S. Mohanty and S. Ravi "Structural and Magnetic properties of Co and Fe co-doped ZnO Nanoparticles", International Symposium for Nano Materials (ISNM- 09), Kanya Maha Vidyalaya, Jalandhar vol., no. , pp. , [2009]
B.Samantaray and S. Ravi "Magnetic Properties of Nd1-xKxMnO3 Compounds", National Conference on Advanced Materials,PSN College of Engineering, Tirunelveli vol., no. , pp. , [2009]
S. Mohanty and S. Ravi "Magnetic Properties of Co-doped SnO2 Diluted Magnetic Semiconductors", VIth National conference on Physics Academy of North East (PANE),Tripura University Agartala vol., no. , pp. , [2009]
B. Samantaray and S. Ravi "Ferromagnetism and colossal magneto-resistivity in Nd0.7K0.3MnO3", VIth National conference on Physics Academy of North East (PANE),Tripura University Agartala vol., no. , pp. , [2009]
S. Mahanty and S.Ravi "Room temperature Ferromagnetism in bulk Sn-0.95Mn-.05O2 (M=Co, Ni) based diluted magnetic semiconductors", Presented in Homi Bhabha Centenary DAE-BRNS National Conference on Spintronic and Magnetoelectrinic Materials and Devices vol., no. , pp. , [2009]
S. K. Srivastava, S. Ravi , I. Dhiman and A. Das"Neutron Powder Diffraction Studies in LaMn1-xCuxO3 (x=0.05 to 0.10)", Presented in International Symposium on Neutron Scattering, BARC, Mumbai vol., no. , pp. , [2008]
S.Mohanty, K. Manna and S.Ravi "Magnetic properties of Zn1-xMxo(M=Mn,Co) diluted magnetic semiconductors", Proceedings of DAE Solid state Physics Symposium vol.53, no. , pp.1163-1164 , [2008]
B. Samantaray and S.Ravi "Asymtotic critical behavior studies in Nd1-xKxMnO3 system", Proceedings of DAE Solid state Physics Symposium vol.53, no. , pp.1165-1166 , [2008]
S.K.Srivastav, B. Samantaray and S.Ravi "Study of effective Ferromagnetic spin contribution in Cr and Al doped La0.85Ag0.15MnO3 compound", Proceedings of DAE Solid state Physics Symposium vol.53, no. , pp.1167-1168 , [2008]
P.K. Nayak and S. Ravi"Study of critical current density from AC Susceptibility Measurements in (La1-xYx)2Ba2CaCi5Oz Superconductors”, Vth Conference of Physics Academy of North East Gauhati University, Guwahati, 1-3 March 2007", Vth Conference of Physics Academy of North East, Gauhati University, Guwahati, 1-3 March 2007 vol., no. , pp.30, [2007]
S. K. Srivastava and S. Ravi"Electrical Transport and Magnetic Properties of La0.85Ag0.15(Mn1-y Aly) O3 Compound", Vth Conference of Physics Academy of North East, Gauhati University, Guwahati, 1-3 March 2007 vol., no. , pp.83, [2007]
M. Kar and S. Ravi"Spin Glass behavior studies in (La1-x-Cux)MnO3", Vth Conference of Physics Academy of North East, Gauhati University, Guwahati, 1-3 March 2007 vol., no. , pp.62, [2007]
S. K. Srivastava, M. Kar and S. Ravi"Crystal structure studies on La0.85Ag0.15Mn1-yAlyO3 compounds", 36th National Seminar on Crystallography, University of Madras, Chennai, 22-24, January vol., no. , pp.102, [2007]
S. K. Srivastava, M. Kar and S. Ravi "Effect of Co dopping on the crystal structure, electrical transport and magnetic properties of (La0.85Ag0.15) (Mn1-yCoy)O3", Presented in Latin-American Workshop on Magnetism, Magnetic Materials and their Applications, Rio de Janerio Brazil vol., no. , pp. , [2007]
S. K. Srivastava, B. Samantaray and S. Ravi "Study of crystal structure and magnetic properties of (Y1-xNbx)2Mn2O7 pyrochlore", Presented in Condensed Matter Days, NIT Rourkela vol., no. , pp. , [2007]
S. K. Srivastava, M. Kar and S. Ravi "Reentrant Spin Glass Behavior in (La0.85Ag0.15) (Mn0.85M0.15)O3(M=Co, Cr)", DAE Solid State Symposium, Mysore University, Mysore vol., no. , pp. , [2007]
S. K. Srivastava, M. Kar and S. Ravi"Effect of Co substitution on Crystal Structure and magnetic property of La0.85Ag0.15Mn1-yCoyO3 (y=0 to 1) Compounds", DAE Solid State Phys. Symp., Barkhatulla University, 26-30 December vol.51, no. , pp.851-852, [2006]
A. K. Saha, M. Kar and S. Ravi, “"Study of crystal structure and Magnetic properties in La0.85Ag0.15(Mn1-xCox)O3(x=0 to 0.15) compounds", National Conf. on Recent Advances in Material Science, Periyar University, Salem, February. vol., no. , pp. , [2006]
S. K. Srivastava and S. Ravi"Crystal structure and Magnetic properties of hexagonal Y1-xCexMnO3", National conference on condensed matter Physics, Tezpur University, Assam, 29-31 August vol., no. , pp. , [2006]
P. K. Nayak and S. Ravi "Fluctuation induced Magneto-Conductivity study in pure and Ag doped (La1.6Y0.4)Ba2Ca0.8Cu4.8Oz Superconductor", Proc. DAE SSP Symp., vol.50, no. , pp.649, [2005]
S. K. Srivastava, M. Kar and S. Ravi, "Spin glass behavior in LaMn1-xCuxO3 Compounds ", Proc. DAE SSP Symp., vol.50, no. , pp.825, [2005]
M. Kar and S. Ravi "Study of Crystal Structure in La1-xAgxMnO3 Compounds", Proceedings of the Seminar on Advanced X-Ray Techniques in Research and Industry,DMRL, Hyderabad vol., no. , pp. , [2004]
M. Kar and S. Ravi "Metal-insulator Transitions in La1-xCuxMnO3 Compounds", Proceedings of the DAE Solid State Physics Symposium vol., no. , pp. , [2003]
Bipul Deka, A. Perumal, S. Ravi"Spin Reorientation in Mn doped YFeO3", International Conference of Magnetism and Magnetic Materials (ICMAGMA-2015) held at VIT, Vellore vol., no. , pp. , [ Dec 2-4,2015]
Bibhuti. B. Dash, S. Ravi"Sign reversal of magnetization in Mn substituted SmCrO3", International Conference of Magnetism and Magnetic Materials (ICMAGMA-2015) held at VIT, Vellore vol., no. , pp. , [ Dec 2-4,2015 ]