Physics

• IIT Faculty Excellence Award
• DAE YSRA
• INSA Young Scientist
• Young Scientist Award -MRSI
• G.C. Jain Memorial Prize -MRSI

Journal
• Structural origin of room-temperature ferroelectricity in spark-plasma sintered DyCrO3 and LaCrO3 Mishra S., K. , Rudrapal K. , Jana B. , Islam K. P., Sagdeo A. , Chaudhuri A. R., Adyam V. , Choudhury D. By Physical Review B 107 1-8 (2023)
• Surface-phase superconductivity in a Mg-deficient V-doped MgTi2O4 spinel Rahaman A., Paramanik T. , Pal B. , Pal R. , Maji P. , Bera K. , Mallik S. , Goswami D. K., Pal A. N., Choudhury D. By Physical Review B 107 1-6 (2023)
• Origin of the long-range ferrimagnetic ordering in cubic Mn(Co)Cr2O4 spinels Das A., Pal P. , Ranaut D. , Islam K. P., Bhattacharya G. , Mehta S. , Mondal A. , Adyam V. , Mukherjee K. , Das A. , Choudhury D. By Physical Review B Letter 107 1004141-1004146 (2023)
• Competing magnetic interactions driven tuning of spin-flop field and anomalous thermal expansion in MnTi1 xMnxO3 Pal P., Rahaman A. , Brar J. , Bindu R. , Choudhury D. By Journal of Applied Physics 132 1839051-1839057 (2022)
• Towards enhanced room-temperature photovoltaic effect in ferroelectric Bi and Fe codoped BaTiO3 Pal P., Rudrapal K. , Maji P. , Chaudhuri A. R., Choudhury D. By Journal of Physical Chemistry C 125 5315-5326 (2021)
• Mott breakdown effect in spinel MgTi1.2V0.8O4 Rahaman A., Paramanik T. , Maurya R. K., Yadav K. , Bindu R. , Mukherjee K. , Choudhury D. By Physical Review B 103 245145- (2021)
• Observation of room temperature ferroelectricity in spark-plasma sintered GdCrO3 Mishra S., K. , Rudrapal K. , Rahaman A. , Pal P. , Sagdeo A. , Mishra R. , Topwal D. , Roy Chaudhuri A. , Adyam V. , Choudhury D. By Physical Review B 104 180101- (2021)
• Engineering room-temperature multiferroicity in Bi and Fe codoped BaTiO3 Pal P., Pramanick T. , Rudrapal K. , Majumder S. , Yadav S. , Mahana S. , Topwal D. , Choudhary R. , Singh K. , Roy Chaudhuri A. , Choudhury D. By Applied Physics Letters 117 012901- (2020)
• Origin and tuning of room-temperature multiferroicity in Fe-doped BaTiO3 Pal P., Rudrapal K. , Mahana S. , Yadav S. , Paramanik T. , Mishra S. , Singh K. , Sheet G. , Topwal D. , Roy Chaudhuri A. , Choudhury D. By Physical Review B 101 064409- (2020)
• Tetramer Orbital-Ordering induced Lattice Chirality in Ferrimagnetic, Polar MnTi2O4 Rahaman A., Chakraborty M. , Paramanik T. , Maurya R. K., Mahana S. , Bindu R. , Topwal D. , Mahadevan P. , Choudhury D. By Physical Review B 100 115162- (2019)
• RF and microwave dielectric response investigation of high-k yttrium copper titanate ceramic for electronic applications Leo A., Monteduro A. G., Rizzato S. , Ameer Z. , Lekshmi I. C., Hazarika A. , Choudhury D. , Sarma D. D., Maruccio G. By Microelectronic Engineering 194 15-18 (2018)
• RF and microwave dielectric response investigation of high-k yttrium copper titanate ceramic for electronic applications Leo A., Monteduro A.G., Rizzato S., Ameer Z., Lekshmi I.C., Hazarika A., Choudhury D., Sarma D.D., Maruccio G. By Microelectronic Engineering 194 15-18 (2018)
• Emergent antiferromagnetism of YTiO3 in YTiO3 -CaTiO3 superlattices Pal P., Liu X. , Kareev M. , Choudhury D. , Chakhalian J. By Physical Review B 98 045420- (2018)
• Dielectrical performance of high-k yttrium copper titanate thin films for electronic applications Ameer Z., Monteduro A. G., Rizzato S. , Caricato A. P., Martino M. , Lekshmi I. C., Hazarika A. , Choudhury D. , Mazzotta E. , Malitesta C. , Tasco V. , Sarma D. D., Maruccio G. By Journal of Materials Science: Materials in Electronics 10854- (2018)
• Magnetocaloric Materials with Multiple Instabilities Taguchi Y., Sakai H. , Choudhury D. By Advanced Materials 29 1606-144 (2017)
• Engineered Mott ground state in LaTiO3-d/LaNiO3 heterostructure Cao Y., Liu X. , Kareev M. , Choudhury D. , Middey S. , Meyers D. , Kim J. , Ryan P. , Freeland J. , Chakhalian J. By Nature Communications 7 10418- (2016)
• Dielectric investigation on high-k Yttrium Copper Titanate thin films Monteduro A., Ameer Z. , Martini M. , Caricato A. , Tasco V. , Lekshmi I. , Rinaldi R. , Hazarika A. , Choudhury D. , Sarma D. , Maruccio G. By J. Mater. Chem. C 4 1080-1087 (2016)
• Investigation of high-k yttrium copper titanate thin films as alternative gate dielectrics Monteduro A., Ameer Z. , Rizzato S. , Martino M. , Caricato A. , Tasco V. , Lekshmi I. , Hazarika A. , Choudhury D. , Sarma D. , Maruccio G. By J. Phys. D: Appl. Phys. 49 405303- (2016)
• Magnetic Interactions at the Nanoscale in Trilayer Titanates Cao Y., Yang Z. , Kareev M. , Liu X. , Meyers D. , Middey S. , Choudhury D. , Shafer P. , Guo J. , Freeland J. , Arenholz E. , Gu L. , Chakhalian J. By Phys. Rev. Lett. 116 076802- (2016)
• Orbital configuration in CaTiO3 films on NdGaO3 Cao Y., Park S. , Liu X. , Choudhury D. , Middey S. , Meyers D. , Kareev M. , Shafer P. , Arenholz E. , Chakhalian J. By Appl. Phys. Lett. 109 152905- (2016)
• Origin and distribution of charge carriers in LaAlO3−SrTiO3 oxide heterostructures in the high carrier density limit Mukherjee S., Pal B. , Choudhury D. , Sarkar I. , Drube W. , Gorgoi M. , Karis O. , Takagi H. , Matsuno J. , Sarma D. By Phys. Rev. B 93 245124- (2016)
• Site-specific doping, tunable dielectric properties and intrinsic paramagnetism in Mn-doped SrTiO3 Choudhury D. By Pramana 84 987- (2015)
• Anomalous charge and negative-charge-transfer insulating state in cuprate chain compound KCuO2 Choudhury D., Rivero P. , Meyers D. , Liu X. , Cao Y. , Middey S. , Whitaker M. , Barrara-lopez S. , Freeland J. , Greenblatt M. , Chakhalian J. By Phys. Rev. B (Rapid Commun.) 92 201108- (2015)
• Metallic interface in non-SrTiO3 based titanate superlattice Liu X., Choudhury D. , Cao Y. , Middey S. , Kareev M. , Meyers D. , Kim J. , Ryan P. , Chakhalian J. By Appl. Phys. Lett. 107 191602- (2015)
• Epitaxial growth of (1 1 1)-oriented spinel CoCr2O4/Al2O3 heterostructures Liu X., Choudhury D. , Cao Y. , Middey S. , Kareev M. , Meyers D. , Rim J. , Ryan P. , Chakhalian J. By Appl. Phys. Lett. 106 071603- (2015)
• Robust dielectric properties of B-site size-disordered hexagonal Ln 2CuTiO6 (Ln = Y, Dy, Ho, Er, and Yb) Choudhury D., Sarma D. By J. Vac. Sci. Tech. B 32 03118- (2014)
• Evolution of magnetic and structural transitions and enhancement of magnetocaloric effect in Fe1-xMnxV2O4 Choudhury D., Suzuki T. , Okuyama D. , Morikawa D. , Kato K. , Takata M. , Kobayashi K. , Kumai R. , Nakao H. , Murakami Y. , Bremholm M. , Iversen B. , Arima T. , Tokura Y. , Taguchi Y. By Phys. Rev. B 89 104427- (2014)
• Tuning structural instability toward enhanced magnetocaloric effect around room temperature in MnCo1-xZnxGe Choudhury D., Suzuki T. , Tokura Y. , Taguchi Y. By Scientific Reports 4 7544- (2014)
• Magnetization in electron- and Mn- doped SrTiO3 Choudhury D., Pal B. , Sharma A. , Bhat S. , Sarma D. By Scientific Reports 3 1433- (2013)
• Near-Room-Temperature Colossal Magnetodielectricity and Multiglass Properties in Partially Disordered La2NiMnO6 Choudhury D., Mandal P. , Mathieu R. , Hazarika A. , Rajan S. , Sundaresan A. , Waghmare U. , Karis O. , Nordblad P. , Sarma D. By Phys. Rev. Lett. 108 127201- (2012)
• Tuning of dielectric properties and magnetism of SrTiO3 by site-specific doping of Mn Choudhury D., Mukherjee S. , Mandal P. , Sundaresan A. , Waghmare U. , Bhattacharjee S. , Mathieu R. , Lazor P. , Eriksson O. , Sanyal B. , Nordblad P. , Sharma A. , Bhat S. , Karis O. , Sarma D. By Phys. Rev. B 84 125124- (2011)
• Charge Ordering Induced Ferromagnetic Insulator: K2Cr8O16 Mahadevan P., Kumar A. , Choudhury D. , Sarma D. By Phys. Rev. Lett. 104 256401- (2010)
• Electric and magnetic polarizabilities of hexagonal Ln2CuTiO6 (Ln=Y, Dy, Ho, Er, and Yb) Choudhury D., Hazarika A. , Venimadhav A. , Kakarla C. , Delaney K. , Devi P. , Mondal P. , Nirmala R. , Gopalakrishnan J. , Spaldin N. , Waghmare U. , Sarma D. By Phys. Rev. B 82 134203- (2010)
• Unusual dielectric response in B-site size-disordered hexagonal transition metal oxides Choudhury D., Venimadhav A. , Kakarla C. , Delaney K. , Devi P. , Mondal P. , Nirmala R. , Gopalakrishnan J. , Spaldin N. , Waghmare U. , Sarma D. By Appl. Phys. Lett. 96 162903- (2010)
• XPS evidence for molecular charge-transfer doping of graphene Choudhury D., Das B. , Sarma D. , Rao C. By Chem. Phys. Lett. 497 66- (2010)
• Origin of ferroelectric polarization in spiral magnetic structure of MnWO4 Shanavas K., Choudhury D. , Dasgupta I. , Sharma S. , Sarma D. By Phys. Rev. B 81 212406- (2010)
• Three-dimensional band structure of highly metallic Na0.8WO3 by angle-resolved photoemission spectroscopy Raj S., Chakraborty A. , Choudhury D. , Sato T. , Takahashi T. , Mahadevan P. , Fujii J. , Vobornik I. , Sarma D. By Phys. Rev. B 79 035119- (2009)
Conferences
• High-k YCTO thin films for electronics Monteduro A.G., Ameer Z., Rizzato S., Leo A., Martino M., Caricato A.P., Tasco V., Lekshmi I.C., Hazarika A., Choudhury D., Mazzotta E., Malitesta C., Sarma D.D., Maruccio G. By ICICDT 2018 - International Conference on IC Design and Technology, Proceedings 189-192 (2018)
Patent
• A dielectric composition comprising lanthanide/yttrium, copper and titanium oxide (LN2CUTIO6-D], and applications thereof. Choudhury D., Sarma D. By Indian Patent 268037- (2015)

Principal Investigator

• Investigation of Transport, Magnetic and Structural Properties of Titanate - Based Spinel Compounds
• To Study Thermoelectric Properties of Strongly Correlated Electron Systems and Magnetocaloric Effect in Glassy Intermetallic Compounds
• Investigation of the Magnetic, Electric & Magneto-Caloric Properties of Spinel-Based Transition Metal-Oxides
• Investigation of the Magnetic and the Magnetoelectric Properties of Spin Frustrated Transition-Metaloxide and Chalcognide Compounds
• Investigation of Emergent Magnetism and Magnetocaloric Properties in Titanate-Spinel Compounds