Publications (75)
Microscopic Origin of Charged Impurity Scattering and Flicker Noise in MoS2 field-effect Transistors
Subhamoy Ghatak, Sumanta Mukherjee, Manish Jain +2
Electronic structure of NaWO$_3$: Role of the impurity potential
Priya Mahadevan, Roby Cherian, K. J. Sankaran +1
Evolution of spectral function in a doped Mott insulator : surface vs. bulk contributions
K. Maiti, Priya Mahadevan, D. D. Sarma
Origin of the unconventional magnetoresistance in Sr2FeMoO6
Sugata Ray, Srimanta Middey, Somnath Jana +5
Growth mechanism of nanocrystals in solution: ZnO, a case study
Ranjani Viswanatha, Pralay K. Santra, Chandan Dasgupta +1
Electronic and Magnetic Structures of Sr2FeMoO6
Sugata Ray, Ashwani Kumar, D. D. Sarma +5
Exploring the high pressure phase diagram of La$_{1-x}$Ca$_{x}$MnO$_{3}$
A. Sani, C. Meneghini, S. Mobilio +3
Spin, charge and orbital ordering in La0.5Sr1.5MnO4
Priya Mahadevan, K. Terakura, D. D. Sarma
Theoretical study of doped-Tl$_{2}$Mn$_{2}$O$_{7}$ and Tl$_{2}$Mn$_{2}$O$_{7}$ under pressure
Molly De Raychaudhury, T. Saha-Dasgupta, D. D. Sarma
Influence of quantum confinement on the ferromagnetism of (Ga,Mn)As diluted magnetic semiconductor
Sameer Sapra, D. D. Sarma, S. Sanvito +1
Evolution of the electronic structure with size in II-VI semiconductor nanocrystals
Sameer Sapra, D. D. Sarma
An accurate description of quantum size effects in InP nanocrystallites over a wide range of sizes
Sameer Sapra, Ranjani Viswanatha, D. D. Sarma
Pressure and alloying effects on the metal to insulator transition in NiS{2-x}Se{x} studied by infrared spectroscopy
A. Perucchi, C. Marini, M. Valentini +11
Pressure-tuning of the electron-phonon coupling: the insulator to metal transition in manganites
P. Postorino, A. Congeduti, P. Dore +5
Transport and magnetic properties of La$_{1-x}$Ca$_x$VO$_3$
K. Maiti, N. Y. Vasanthacharya, D. D. Sarma
A microspectroscopic study of the electronic homogeneity of ordered and disordered Sr2FeMoO6
Dinesh Topwal, U. Manju, Sugata Ray +6
Electronic structure of Millerite NiS
S. R. Krishnakumar, N. Shanthi, D. D. Sarma
X-ray photoemission study of NiS_{2-x}Se_x (x = 0.0 - 1.2)
S. R. Krishnakumar, D. D. Sarma
Auger transition from orbitally degenerate systems: Effects of screening and multielectron excitations
D. D. Sarma, Priya Mahadevan
Disorder effects in electronic structure of substituted transition metal compounds
D. D. Sarma, A. Chainani, S. R. Krishnakumar +9
Effect of "dipolar-biasing" on the tunability of tunneling magnetoresistance in transition metal oxide systems
P. Anil Kumar, D. D. Sarma
Electronic structure of and Quantum size effect in III-V and II-VI semiconducting nanocrystals using a realistic tight binding approach
Ranjani Viswanatha, Sameer Sapra, Tanusri Saha-Dasgupta +1
Magnetoresistance in ordered and disordered double perovskite oxide, Sr$_2$FeMoO$_6$
D. D. Sarma, E. V. Sampathkumaran, Sugata Ray +5
Strong correlation effects of the Re 5$d$ electrons on the metal-insulator transition in Ca$_2$FeReO$_6$
H. Iwasawa, T. Saitoh, Y. Yamashita +5
Novel aspects and strong correlation in the electronic structure of Sr$_2$FeMoO$_6$
Sugata Ray, Priya Mahadevan, Ashwani Kumar +5
Interface characterization of Co2MnGe/Rh2CuSn Heusler multilayers
Ronny Knut, Peter Svedlindh, Klas Gunnarsson +10
Ultra-narrow and widely tunable Mn^(2+) Emission from Single Nanocrystals of ZnS-CdS alloy
Abhijit Hazarika, Arunasish Layek, Suman De +5
Electronic structure of Ca$_{1-x}$Sr$_x$VO$_3$: a tale of two energy-scales
K. Maiti, D. D. Sarma, M. J. Rozenberg +5
On charge and orbital ordering in La0.5Sr1.5MnO4
Priya Mahadevan, K. Terakura, D. D. Sarma
XPS evidence for molecular charge-transfer doping of graphene
D. Choudhury, B. Das, D. D. Sarma +1
Role of Polar Phonons in the Photo Excited State of Metal Halide Perovskites
Menno Bokdam, Tobias Sander, Alessandro Stroppa +4
A new class of magnetic materials: Sr2FeMoO6 and related compounds
D. D. Sarma
Magnetization in electron- and Mn- doped SrTiO3
D. Choudhury, B. Pal, A. Sharma +2
Unusual direction dependence of exchange energies in GaAs:Mn - Is the RKKY description relevant
Priya Mahadevan, Alex Zunger, D. D. Sarma +1
Re-entrant ordering of solute in a colloidal suspension during solvent evaporation
Sumanta Mukherjee, Arnab Saha, Pralay K. Santra +2
Electronic structure of NiS_{1-x}Se_x
S. R. Krishnakumar, N. Shanthi, Priya Mahadevan +1
NiS - An unusual self-doped, nearly compensated antiferromagnetic metal
S. K. Panda, I. Dasgupta, E. Sasioglu +2
Realistic Tight Binding Model for the Electronic Structure of II-VI Semiconductors
Sameer Sapra, N. Shanthi, D. D. Sarma
Electronic structure of NiS$_{1-x}$Se$_x$ across the phase transition
D. D. Sarma, S. R. Krishnakumar, Nirmala Chandrasekharan +4
Glass-like ordering and spatial inhomogeneity of magnetic structure in Ba3FeRu2O9 : The role of Fe/Ru-site disorder
Srimanta Middey, Sugata Ray, K. Mukherjee +7
Mechanism for the high Neel temperature in SrTcO_3
S. Middey, Ashis Kumar Nandy, Priya Mahadevan +1
Spin-orbital liquid state assisted by singlet-triplet excitation in $J~=~0$ ground state of Ba$_3$ZnIr$_2$O$_9$
Abhishek Nag, Srimanta Middey, Sayantika Bhowal +17
Tuning of dielectric properties and magnetism of SrTiO3 by site-specific doping of Mn
D. Choudhury, S. Mukherjee, P. Mandal +12
Anisotropic Magnetic Couplings and Structure-Driven Canted to Collinear Transitions in Spin-orbit Coupled Sr2IrO4
Peitao Liu, Sergii Khmelevskyi, Bongjae Kim +6
Electron-spectroscopic investigation of metal-insulator transition in Sr2Ru1-xTixO4 (x=0.0-0.6)
Sugata Ray, D. D. Sarma, R. Vijayaraghavan
Critical test for Altshuler-Aronov theory: Evolution of the density of states singularity in double perovskite Sr$_2$FeMoO$_6$ with controlled disorder
M. Kobayashi, K. Tanaka, A. Fujimori +2
Observation of magnetically hard grain boundaries in double-perovskite Sr$_{2}$FeMoO$_{6}$
Y. Takahashi, V. K. Verma, G. Shibata +12
Structural and doping effects in the half-metallic double perovskite $A_2$CrWO$_6$
J. B. Philipp, P. Majewski, L. Alff +9
Electronic Structure of Sr_2FeMoO_6
D. D. Sarma, Priya Mahadevan, T. Saha-Dasgupta +2
An Interesting Magnetoresistive System: Sr2FeMoO6
Sugata Ray, D. D. Sarma
Ab-initio study of disorder effects on the electronic and magnetic structures of Sr$_2$FeMoO$_6$
T. Saha-Dasgupta, D. D. Sarma
Electronic excitation spectra from ab-initio band structure results for LaMO_3 (M = Cr-Ni)
D. D. Sarma, N. Shanthi, Priya Mahadevan
Origin of Magnetism and trend in $T_{c}$ in Cr-based double perovskites: Interplay of two driving mechanisms
Hena Das, Prabuddha Sanyal, T. Saha-Dasgupta +1
A high Neel temperature 5$d$ oxide: NaOsO$_3$
S. Middey, Saikat Debnath, Priya Mahadevan +1
Remarkable thermal stability of BF3-doped polyaniline
Debangshu Chaudhuri, Prashanth W. Menezes, D. D. Sarma
Magnetic properties of Sr_2Fe_1+xMo_1-xO_6 with -1 <= x <= 0.25
Dinesh Topwal, D. D. Sarma, H. Kato +2
Magnetic study of an amorphous conducting polyaniline
Debangshu Chaudhuri, Ashwani Kumar, D. D. Sarma +3
Origin of Ferromagnetism and its pressure and doping dependence in Tl$_{2}$Mn$_{2}$O$_{7}$
T. Saha-Dasgupta, Molly De Raychaudhury, D. D. Sarma
Near room-temperature colossal magnetodielectricity and multiglass properties in partially-disordered La2NiMnO6
D. Choudhury, P. Mandal, R. Mathieu +8
On the origin of magnetoresistance in Sr$_2$FeMoO$_6$
D. D. Sarma, Sugata Ray, K. Tanaka +1
Engineered spin-valve type magnetoresistance in Fe$_3$O$_4$-CoFe$_2$O$_4$ core-shell nanoparticles
P. Anil Kumar, Sugata Ray, S. Chakraverty +1
Effect of impurity substitution on band structure and mass renormalization of the correlated FeTe$_{0.5}$Se$_{0.5}$ superconductor
S. Thirupathaiah, J. Fink, P. K. Maheshwari +6
Electric and magnetic polarizabilities of hexagonal Ln2CuTiO6 (Ln=Y, Dy, Ho, Er and Yb)
Debraj Choudhury, Abhijit Hazarika, Adyam Venimadhav +9
Unusual doping and temperature dependence of photoemission spectra from manganites
Prabuddha Sanyal, Subhra Sen Gupta, Nandan Pakhira +3
Direct observation of electronic domains in manganites by spatially resolved spectroscopy
D. D. Sarma, Dinesh Topwal, U. Manju +8
First principles study of structural stability and electronic structure of CdS nanoclusters
Soumendu Datta, Mukul Kabir, Tanusri Saha-Dasgupta +1
Re-entrant superspin glass phase in La$_{0.82}$Ca$_{0.18}$MnO$_3$ ferromagnetic insulator
P. Anil Kumar, R. Mathieu, P. Nordblad +4
Physics of ultrathin films and heterostructures of rare earth nickelates
S. Middey, J. Chakhalian, P. Mahadevan +3
Relative stability of zincblende and wurtzite structure in CdX(X = S, Se, Te) series - A NMTO study
Soumendu Datta, Tanusri Saha-Dasgupta, D. D. Sarma
Electronic Structure, Phonons and Dielectric Anomaly in Ferromagnetic Insulating Double Perovskite La2NiMnO6
Hena Das, Umesh V. Waghmare, T. Saha-Dasgupta +1
Ferrimagnetism, Antiferromagnetism and Magnetic Frustration in La$_{2-x}$Sr$_{x}$CuRuO$_{6}$ (0 <= x <= 1)
P. Anil Kumar, R. Mathieu, R. Vijayaraghavan +6
Metal-insulator Crossover Behavior at the Surface of NiS_2
D. D. Sarma, S. R. Krishnakumar, E. Weschke +8
Evolution of photoemission spectral functions in doped transition metal oxides
H. Kajueter, G. Kotliar, D. D. Sarma +1
High photon energy spectroscopy of NiO: experiment and theory
S. K. Panda, Banabir Pal, Suman Mandal +12
In situ photoemission study of the room-temperature ferromagnet ZnGeP_2:Mn
Y. Ishida, D. D. Sarma, K. Okazaki +7