Untitled Document

Magnetic Property of Thin Film of Co-Tb Alloys Deposited on the Barrier Layer of Ordered Anodic Alumina Templates
R. Hussain, Aakansha, B. Brahma, R. Basumatary, R. Brahma, S. Ravi & S. K. Srivastava

Journal of Superconductivity and Novel Magnetism (In Press, 2020) DOI: 10.1007/s10948-020-05432-

Investigation of Negative Magnetization and Impedance Spectroscopy of Sm-Substituted Gadolinium Iron Garnets
Aakansha, S. Ravi

Materials Research Express 6 (2019) 126113; ( DOI:10.1088/2053-1591/ab62e7)

Effect of (Ni-Ag) co-doping on crystal structure and magnetic Property of SnO2
S K Srivastava, R Brahma, S Datta, Shampa Guha, Aakansha, S S Baro, B Narzary, D R Basumatary, Manoranjan Kar and S Ravi

Materials Research Express, 6 (2019) 126107.

Anomalous low temperature electrical transport behaviour of Nd 0.7 Sr 0.3 MnO 3 thin films: presence of localized magnetic moments
Ranganadh. G. Tanguturi. S. Ravi

Materials Research Express 6 (2019) 106436.

Structural, optical and magnetic properties of Pr2FeCrO6 nanoparticles
Vishwajit Manohar Gaikwad, Mahananda Brahma, Ritupan Borah, S. Ravi

Journal of Solid State Chemistry 278 (2019) 120903: 1-7.

Investigation of structural, magnetic and dielectric properties of Al‑doped samarium iron garnet
Mahananda Brahma, Aakansha, Vishwajit M. Gaikwad, S. Ravi

Applied Physics A 125 (2019) 333: 1-11, https://doi.org/10.1007/s00339-019-2629

Influence of Ti-Substitution on Structural, Magnetic and Dielectric Properties of M-Type Barium Hexaferrite
Pratap Behera, S. Ravi

Journal of Electronic Materials 48 (2019) 5062-5074. DOI: 10.1007/s11664-019-07310-7.

Crystal Structure and Magnetic Properties of Cu-Substituted La0.90Ag0.10MnO3 Compounds
S. K. Srivastava, S. Ravi

Journal of Superconductivity and Novel Magnetism 32 (2019) 3995–4003.

Influence of Cr substitution on magnetic and dielectric properties of gadolinium iron garnets
Aakansha, S. Ravi

Solid State Communications 300 (2019) 113690:1-7.

Sperimagnetism in Perpendicularly Magnetized Co-Tb Alloy-BasedThin Films
R. Hussain,Aakansha,B. Brahma, K. Basumatary, R. Brahma, S. Ravi, S. K. Srivastava

Journal of Superconductivity and Novel Magnetism 32 (2019) 4027–4031.

Investigation of magnetic and relaxor dielectric properties of polycrystalline gadolinium iron garnet by Bi substitution

Aakansha, S. Ravi; Applied Physics A 125 (2019) 498:1-9

Study of impedance, dielectric and magnetic properties in Y3Fe5−xMnxO12 (x = 0–0.2)
Aakansha, S. Ravi

Journal of Materials Science: Materials in Electronics 30 (2019) 7815-7823: DOI:10.1007/s10854-019-01100-x

Effect of Ni doping on structural, magnetic and dielectric properties of M-type barium hexaferrite
Pratap Behera, S. Ravi

Solid State Sciences 89 (2019) 139-149.

Magnetic and electrical properties of Mn-substituted (La0.85Ag0.15)CoO3 compounds
S. K. Srivastava, B. Samantaray, T. Bora S. Ravi

Journal of Magnetism and Magnetic Materials 474 (2019) 605-612

Structural, magnetic and electrical properties of Fe substituted GdCrO3
Bibhuti B Dash, S. Ravi

Solid State Sciences 83 (2018) 189- 200.

Magnetic and dielectric spectroscopic studies in Zn substituted Y-type barium hexaferrite
Pratap Behera, S. Ravi

Journal of Alloys and Compounds 797 (2018) 712-723

Impedance spectroscopy and magnetic properties of Mg doped Y-type barium hexaferrite
Pratap Behera, S. Ravi

Journal of Materials Science: Materials in Electronics 29 (2018) 20206- 20215

Structural, Magnetic and Dielectric Properties of Cr Substituted Yttrium Iron Garnets

Aakansha and S. Ravi

Journal of American Ceramic Society 101 (2018) 5046-5060

Magnetization Reversal and Exchange Bias Study in Bulk Gd 1- x Y x CrO 3 ( x = 0.0 – 1.0)
Bibhuti.B. Dash, S. Ravi
Journal of Magnetism and Magnetic Materials 461 (2018) 91-99 (DOI: 10.1016/j.jmmm.2018.04.052)

Magnetization Reversal and Tunable Exchange Bias Behavior in Mn Substituted NiCr2O4
Jumoni Barman and S. Ravi

Journal of Materials Science 53 (2018) 7187- 7198.

Magnetic and Dielectric Properties of Y3-xSmxFe5O12 (x=0 to 3.0)

Aakansha, Bipul Deka and S. Ravi

Journal of Superconductivity and Novel Magnetism 31 (2018) 2121-2129. (DOI https://doi.org/10.1007/s10948-017-4436-3)

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

Bipul Deka, S. Ravi and D. Pamu
Ceramics International 43 (2017) 16580-16592

Ferromagnetism in Fe doped BaTiO3 ceramics"
Bipul Deka, S. Ravi
Journal of Superconductivity and Novel Magnetism 31 (2018) 1427-1433.

Effect of Yttrium substitution on the structural and magnetic properties of GdCrO3
Bibhuti D. Dash and S. Ravi
Journal of Magnetism and Magnetic Materials ·448 (2018) 355-359 (DOI: 10.1016/j.jmmm.2017.06.068)

Study of Electrical Transport and Magnetic Properties of Nd0.7Sr0.3MnO3/Nd0.8Na0.2MnO3 Bilayer Thin Films
T. R. Gopalarao and S. Ravi
Journal of Superconductivity and Novel Magnetism · 31 (2018) 1149-1154. (DOI: 10.1007/s10948-017-4275-2)

Magnetic and electrical transport properties of La0.7Sr0.3MnO3 /LaFeO3 bilayer thin films
T. R. Gopalarao, Bibhuti D. Dash and S. Ravi
Journal of Magnetism and Magnetic Materials 441 (2017) 531-536.

Effect of Al Substitution in Structural and Magnetic Properties of MnCr2O4
Jumoni Barman and S. Ravi
Journal of Superconductivity and Novel Magnetism 31 (2018) 99-106 (DOI: 10.1007/s10948-017-4169-3)

Impedance spectroscopy and ac conductivity mechanism in Sm doped Yttrium Iron Garnet
Aakansha, Bipul Deka, S. Ravi and D. Pamu
Ceramics International 43 (2017)10468-10477

Study of impedance spectroscopy and electric modulus of PbTi1–xFexO3 ( x = 0.0–0.3) compounds
Bipul Deka and S. Ravi
Journal of Alloys and Compounds 720 (2017) 589-598

Study of Magnetic Compensation Behavior in Mn(Cr1- xFex)2O4
Junmoni Barman and S. Ravi
Journal of Magnetism and Magnetic Materials 437 (2017) 42-50.

Effect of Film Thickness on Electrical and Magnetic Properties of Nd0.8Na0.2MnO3 Thin Films
T.R Gopalarao and S. Ravi
Journal of Superconductivity and Novel Magnetism (2017) 2465-2470

Study of the sign change of exchange bias across the spin reorientation transition in Co(Cr1− xFex)2O4 (x=0.00–0.125)
R Padam, Swati Pandya, S. Ravi, S. Ramakrishnan, A. K. Nigam, A.K. Grover and D. Pal
Journal of Physics Condensed Matter 29 (2017) 055803-1 to 11.

Magnetization reversal and tunable exchange bias in GdCr1-xMnxO3 (x = 0 − 0.50)
Bibhuti B. Dash and S. Ravi
Journal of Magnetism and Magnetic Materials 429 ·(2017) 281-286

Influence of Al Substitution on Structural, Dielectric and Magnetic Properties of M-type Barium Hexaferrite
Pratap Behera and S. Ravi
Journal of Superconductivity and Novel Magnetism 30 (2017) 1453-1461.

Sign reversal of magnetization and exchange bias in Ni(Cr1-xAlx)2O4 (x = 0 – 0.50)
Junmoni Barman and S. Ravi
Journal of Magnetism and Magnetic Materials 426 · (2017) 82-88.

Effect of Mn doping on magnetic and dielectric properties of YFeO3
Bipul Deka, S. Ravi, A. Perumal, D. Pamu
Ceramics International 43(2017) 1323-1334

Tunable Exchange Bias and Bipolar Switching of Magnetization Near Room Temperature
Junmoni Barman and S. Ravi
Journal of Superconductivity and Novel Magnetism 29 (2016) 2859-2865.

Effect of Film Thickness in Electrical Resistivity and Magnetic Properties of Nd0.7Sr0.3MnO3 Thin Films
T. R. Gopalarao, S. Ravi and D. Pamu
Journal of Superconductivity and Novel Magnetism 29 (2016) 2567-2572.

Study of Exchange Bias in Mn Doped YFeO3 Compound
Bipul Deka, S. Ravi, A. Perumal
Journal of Superconductivity and Novel Magnetism 29 (2016) 2165-2170.

Electrical transport and magnetic properties of epitaxial Nd0.7Sr0.3MnO3 thin films on (001)-oriented LaAlO3 substrate
T. R. Gopalarao, S. Ravi and D. Pamu
Journal of Magnetism and Magnetic Materials 409 (2016) 148-154.

Evolution of ferrimagnetism in Co(Cr1−xAlx)2O4(x=0.0−1.0)
R. Padam, S. Ravi, D. Pal
Journal of Magnetism and Magnetic Materials 418 ·(2016) 231-235.

Study of critical behavior in ferromagnetic LaCr0.3Mn0.7O3
Tribedi Bora and S. Ravi
Journal of Magnetism and Magnetic Materials 418 (2016) 213-216.

Exchange bias and magnetization reversal in Ni(Cr1-xFex)2O4 (x=0-0.20)
Junmoni Barman, P.D. Babu, S. Ravi
Journal of Magnetism and Magnetic Materials 418 (2016) 300-305.

Sign Reversal of Magnetization in Mn substituted SmCrO3
Bibhuti B. Dash and S. Ravi
Journal of Magnetism and Magnetic Materials 405 (2016) 209-213.

Giant magnetothermal conductivity and magnetostriction effect in the charge ordered Nd0.8Na0.2MnO3 Compound.
B. Samantaray, N. Khan, A. Midya, S. Ravi and P. Mandal, Euro Physics Letter 113 (2016) 17003-1 to 5.

Sign reversal of magnetization and tunable exchange bias field in NdCr 1- x Fe x O 3 ( x = 0.05 – 0.2)

Tribedi Bora and S. Ravi, Journal of Magnetism and Magnetic Materials, 386 (2015) 85-91.

Effect of post annealing process on electrical and magnetic properties of Nd 0.7 Sr 0.3 MnO 3 thin films

T. R. Gopalarao, S. Ravi and D. Pamu, Journal of Superconductivity and Novel magnetism, 28 (2015)1571-1576.

Study of exchange bias and training effect in NiCr 2 O 4

Junmoni Barman, Tribedi Bora and S. Ravi, Journal of Magnetism and Magnetic Materials 385 (2015) 93-98

Study of exchange bias behavior in Ni(Cr 1- x Fe x ) 2 O 4

Junmoni Barman and S.Ravi, Solid State Communications 201 (2015) 59-63

Sign reversal of magnetization and ferromagnetism in NdCr 1- x Mn  x O 3 ( x = 0 – 0.50)

Tribedi Bora and S. Ravi, Journal of Superconductivity and Novel magnetism 28 (2015) 869-872.

Bipolar switching of magnetization and tunable exchange bias in NdCr 1- x Mn x O 3 ( x = 0.0 – 0.30)

Tribedi Bora and S. Ravi, Journal of Applied Physics 116 (2014) 063901_1 to 6

Exchange bias in non-collinear spin-spiral system Co(Cr 1- x Co x ) 2 O 4 ( x = 0.0 – 0.1)

R. Padam, S. Ravi, S. Ramakrishnan, A. K. Grover and D. Pal , Journal of Magnetism and Magnetic Materials 371 (2014) 144-148.

Entanglement of lock-in transition and exchange bias in Co(Cr 0.9 Co 0.1 ) 2 O 4

R. Padam, S. Ravi and D. Pal Physica B: condensed matter 448 (2014) 191-193

Effect of Ce doping on the magnetic properties of LaCrO 3

Tribedi Bora and S. Ravi ,Physica B: Condensed Matter 448 (2014) 233-236

Ferromagnetism and Ferroelectricity in Fe doped BaTiO3

Bipul Deka, S. Ravi , A Perumal and D. Pamu , Physica B: Condensed Matter 448 (2014) 204-206

Negative magnetization and the tunable exchange bias field in LaCr 0.8 Mn 0.2 O 3

Tribedi Bora and S. Ravi , Journal of Magnetism and Magnetic Materials 358 (2014) 208 - 211

Sign Reversal of Magnetization Reversal and Exchange Bias Field in LaCr 0.85 Fe 0.15 O 3

Tribedi Bora and S. Ravi Journal of Applied Physics 114 (2013) 183902-1 to 5

Study of Magnetization Reversal in LaCr 1-x Fe x O 3 Compounds,

Tribedi Bora and S. Ravi , Journal of Applied Physics 114 (2013) 033906-1 to 8.

Optical Properties of Ambient Temperature Grown Nanocrystalline Mg2TiO4 Thin films Deposited by RF Magnetron Sputtering

R. K. Bhuyan, T. Santhosh Kumar, A. Perumal , S. Ravi , and D. Pamu ,Surface & Coatings Technology 221 (2013) 196

Magnetic compensation effect and phase reversal of exchange bias field across compensation temperature in multiferroic Co(Cr 0.95 Fe 0.05 )2O4,

R. Padam, Swati Pandya, S. Ravi , A. K. Nigam, S. Ramakrishnan, A. K. Grover, and D. Pal, Applied Physics Letters 102 (2013) 112412- 1 to 4

Ferromagnetism in Mechanically Milled Pure SnO2,

Sunita Mohanty, Manoranjan Kar and S.Ravi , International Journal of Modern Physics B, 27 (2013) 1350025.

Critical Behavior of Ferromagnetic Transition in SnO2 based Diluted Magnetic Semiconductor,

Sunita Mohanty and S.Ravi, Journal of Superconductivity and Novel Magnetism, 26 (2013) 157-164

Antiferromagnetism and the Effect of Exchange Bias in LaCr 1-x Fe x O 3 (x= 0.40 to 0.60),

Tribedi Bora, P. Saravanan and S. Ravi , Journal of Superconductivity and Novel Magnetism 26 (2013)1645-1648

Structural and Magnetic Properties of Co ( Cr 1- y Al y ) 2 O 4 ( y = 0 . 0–0 . 2) Compounds,

R. Padam, D. Pal, S.Ravi, A.K. Grover and S. Ramakrishnan, Journal of Superconductivity and Novel Magnetism 26 (2013)1607-1610

Particle size effects on the suppression of charge-ordering in Nd 0.8 Na 0.2 MnO 3 B.

Samantaray, S. K. Srivastava, S. Ravi, Journal of Applied Physics 111 (2012) 013919-1 to 12.

Ferromagnetism in mechanically milled Sn 1-x Co x O 2 (x=0 to 0.10) compounds;

Sunita Mohanty, S. Ravi; Journal of Superconductivity and Novel Magnetism 25 (2012)1017-1023

Magnetic structure and magnetic properties of Nd 1-x Na x MnO 3 compounds;

B.Samantaray, S. Ravi, A.Das, S.K. Srivastava, , Journal of Applied Physics 110 (2011) 093906-1 to 9. .

Large enhancement of giant magnetoimpedance property in electrodeposited NiFe/Cu wire with copper additive in plating bath;

A.Chandra Mishra, T.Shaoo, V. Srinivas, A.K.Thakur, B.Samantaray, S. Ravi, Solid State Communications 151 (2011) 1787-1790.

Ferromagnetism and Bound Magnetic Polaron Behavior in (In 1-x Co x )2O3;

Tribedi Bora, B. Samantaray, S. Mohanty and S. Ravi , IEEE Magnetics 47 (2011) 3991-3994.

Magnetic dynamics of charge ordered Nd 0.80 Na 0.20 MnO 3 compound;

B. Samantaray, S. K. Srivastava, S. Ravi, Journal Mangnetism and Magnetic Materials 323 (2011) 2622-2626.

Neutron powder diffraction study in La 0.85 Ag 0.15 MnO 3;

B. Samantaray, S. K. Srivastava, S. Ravi, I. Dhiman, A. Das, Journal of Superconductivity and Novel Magnetism 24 (2011) 1933-1937.

Structural and Magnetic Properties of Nanocrystalline Sn 0.98 Co 0.02 O 2 under different annealing conditions;

S. Mohanty, S.Ravi, H.S. Jena, V. Manivanan, International Journal of Nanoscience 10 (2011) 313-317.

Neutron powder diffraction studies and magnetic properties in Nd 1-x K x MnO 3 (x=0.15 and 0.20) compounds, B.Samantaray, S.Ravi, A. Perumal, I.Dhiman, A.Das, Journal of Applied Physics 109 , (2011) 07E150-1 to 3

Ferromagnetic and charge-ordered phases in (Nd,Na)-Mn-O Compounds;

B. Samantaray and S. Ravi, Journal of Superconductivity and Novel Magnetism 24 (2011) 809-814.

Critical behaviour studies in ferromagnetic (Nd,K)-Mn-O compounds Nd 1-x K x MnO 3 (x = 0.16 and 0.21);

B. Samantaray, S.Ravi and A. Perumal, Journal Mangnetism and Magnetic Materials 322 (2010) 3391.

Magnetic Properties of Sn 1-x Ni x O 2 based diluted magnetic semiconductors;

S. Mohanty and S. Ravi , Solid State Communications 150 (2010) 1570-1574.

Neutron Powder Diffraction Studies in LaMn1-xCuxO3 (x=0.05, 0.10 and 0.15) ;

B. Samantaray, S. K. Srivastava, S. Mohanty and S. Ravi , I. Dhiman and A. Das, Journal of Applied Physics 107 (2010) 09D719 -1 to 3

Ferromagnetism and bound magnetic polaron behavior in bulk Sn 1-x Co x O 2 ,

Sunita Mohanty and S. Ravi , Solid State Communications 150 (2010) 739-742

Structural, electrical and magnetic properties of Co and Fe co-doped ZnO nanoparticles prepared by solution combustion method.,

M.L. Dinesha, H.S. Jayanna, S. Mohanty and S. Ravi; Journal alloys and compounds, 490 (2010) 618-623

Reentrant spin glass behavior in Nd0.84K0.12MnO3,

B. Samantaray and S. Ravi; Journal of Magnetism and Magnetic Materials 322 (2010) 2038-2042.

Magnetic Properties of Co doped SnO 2 Diluted Magnetic Semiconductors

S. Mohanty and S. Ravi; Indian Journal of Physics 84 (2010) 735-739

Magnetic properties of transition metal substituted (La0. 85 Ag0.15)Mn1-yMyO3 compounds (M= Co, Cr & Al)

S. K.Srivastava, S. Ravi; Journal of Magnetism and Magnetic Materials 321 (2009) 4072-4080.

Magnetic properties of Nd1-x KxMnO3 Compounds

B. Samantaray and S. Ravi; Journal of Magnetism and Magnetic Materials 321 (2009) 3671-3676

Role of Co substitution on the Crystal Structure and Electrical Resistivity of (La0.85Ag0.15)MnO3 Compounds

S. K. Srivastava and S. Ravi; Journal of Superconductivity and Novel Magnetism 22 (2009) 651-658

Magnetic Properties of Nd1-xAgxMnO3 Compounds

S.K.Srivastava, S. Ravi, Journal of Physics: Condensed Matter 20, (2008) 505212-1 to 8.

Neutron powder diffraction studies in CaMn 1-xCuxO3 (x = 0, 0.2)

S. Ravi, Manoranjan Kar, S. M. Borah, and P. S. R. Krishna

Crystal Research and Technology, 43, (2008) 1318-1322

Electrical Transport and Magnetic Properties of La0.85Ag0.15(Mn1-y Aly) O3

S. K. Srivastava, Manoranjan Kar, S. Ravi

Indian Journal of Physics 82 (2008) 695-699.

Magnetic Properties of Electron Doped Y1-xCexMnO3 Compounds.

S.K.Srivastava, Manoranjan Kar, S. Ravi, P.K. Mishra, P.D. Babu

Journal of Magnetism and Magnetic Materials 320, (2008) 2382-2386.

Ferromagnetic Insulating and Spin Glass Behavior in Cr Substituted La0.85Ag0.15MnO3 Compounds

S. K. Srivastava, Manoranjan Kar and S. Ravi

Journal of Physics: Condensed Matter 20, (2008) 235201-1 to7.

Effect of Co doping on the Magnetic Properties of La0.85Ag0.15(Mn1-yCoy)O3

S. K. Srivastava, Manoranjan Kar and S. Ravi

Journal of Magnetism and Magnetic Materials 320, (2008) e107-e110.

Study of Critical Current Density from ac susceptibility measurements in (La1-xYx)2Ba2CaCu5Oz

P.K. Nayak and S. Ravi

Indian Journal of Physics 82 (2008) 603-610.

Magnetic and Martensitic Transformations in Ni-Fe-Ga Alloy

M. Raghusankar, S. Sarma,S. Ravi and A. Srinivasan

Indian Journal of Physics 82 (2008) 169-172.

Preparation, characterization and magnetic properties of hexagonal Y1-xCexMnO3

S.K.Srivastava, Manoranjan Kar and S. Ravi

Indian Journal of Physics 82 (2008) 195-200.

Effect of Al Substitution on La0.85Ag0.15MnO3 Double Exchange Ferromagnetic Compound.

S. K. Srivastava, Manoranjan Kar and S. Ravi

Materials Science and Engineering B, 147 (2008) 84-89.

Crystal Structure and Characterization of Pure and Ag doped (La1-xYx)2Ba2CaCu5Oz (0 £ x £ 0.5) Superconductors

P.K. Nayak and S. Ravi

Journal of the American Ceramic Society 19 (2007) 2819-2823

Excess conductivity and magneto-conductivity studies in pure and Ag doped (La1-xYx)2Ba2CaCu5Oz Superconductors

P.K. Nayak and S. Ravi

Superconductor Science and Technology 19 (2006) 1209-1214.

Excess Conductivity in the Paracoherence Regime of pure and Ag doped (La1-xYx)2Ba2CaCu5Oz superconductors

P. K. Nayak and S. Ravi

Solid State Communications 140 (2006) 464-468.

Study of Magneto-Conductivity in (La1.6Y0.4)Ba2-Ca0.8Cu4.8Oz Superconductors.

P. K. Nayak and S. Ravi

Journal of Superconductivity and Magnetism 19 (2006) 515-520.

Linear and Non-linear AC Susceptibility Studies in La(Mn1-xCux)O3

S.K. Srivastava, Manoranjan Kar and S. Ravi

Journal of Magnetism and Magnetic Materials 307 (2006) 318-324.

AC Susceptibility and Intergranular Critical Current Density Study in Pure and Ag doped (La1-xYx)Ba2CaCu5Oz Superconductors.

P.K. Nayak and S. Ravi

Solid State Communications 138 (2006) 377-381.

Critical Behaviour Studies in La1-xAgxMnO3 Double Exchange Ferromagnet

Manoranjan Kar, A. Perumal and S. Ravi

Physica Status Solidi (b) 243 (2006) 1908-1913.

Study of Electrical Transport and Magnetic Properties in CaMn1-xCuxO3

Manoranjan Kar, S.M. Borah and S. Ravi

Materials Science and Engineering B 129 (2006) 54-58.

Electrical Resistivity and Ac Susceptibility Studies In Sr1-xLaxMnO3