Publications

  2013
NiS -An unusual self-doped, nearly compensated antiferromagnetic metal.
S.K. Panda, I. Dasgupta, E. Sasioglu, S. Bluegel, and D.D. Sarma
Scientific Report (Nature Publishing Group) 3, 2995 (2013)
Role of Te in the low-dimensional multiferroic material FeTe2O5Br.
J. Chakraborty, N. Ganguli, T. Saha-Dasgupta, and I. Dasgupta
Physical Review B 88, 094409, (2013)
PbCu3TeO7: an S = 1/2 staircase kagome lattice with significant intra-plane and inter-plane couplings.
B Koteswararao,, R Kumar, Jayita Chakraborty, Byung-Gu Jeon, A V Mahajan, I Dasgupta, Kee Hoon Kim, and F C Chou
J. Phys.: Condens. Matter 25 336003 (2013)
Electronic Structure and Magnetism in Ir based double perovskite Sr2CeIrO6
Swarup Kr. Panda and Indra Dasgupta
Mod. Phys. Lett 27, 1350041, (2013)
Magneto-structural transitions: Molecular dynamics simulation of a united atom mesoscopic model.
J. Bhattacharya, V. Singh, S. Sengupta, and I. Dasgupta
Mod. Phys. Lett 27, 1450047, (2013)
  2012
First-principles study of the spin-gap system Sr2Cu(BO3)2
Jayita Chakraborty and Indra Dasgupta
Physical Review B 86 , 054434 (2012)
Magnetic properties of Mn-doped Ge46 and Ba8Ge46 clathrates
Nirmal Ganguli, K.V. Shanavas, and Indra Dasgupta
Journal of Physics: Condensed Matter 24, 505501 (2012)
How Crucial Are Finite Temperature and Solvent Effects on Structure and Absorption Spectra of Si10?
NA Murugan, I Dasgupta, A Chakraborty, N Ganguli, J Kongsted, H Agren
The Journal of Physical Chemistry C 116 26618, (2012)
X-Ray Absorption Spectroscopy and X-Ray Magnetic Circular Dichroism Studies of Transition- Metal-Codoped ZnO Nano-Particles. .
T. Kataoka, Y. Yamazaki, V. R. Singh, Y. Sakamoto, K. Ishigami, V. K. Verma, A. Fujimori, F.-H. Chang, H.-J. Lin, D. J. Huang, C. T. Chen, D. Asakura,T. Koide, A. Tanaka, D. Karmakar, S.K. Mandal, T.K. Nath, and I. Dasgupta
e-J. Surf. Sci. Nanotech. 10 , 594 (2012)
LaSrVMoO6: A case study for A-site covalency-driven local cationic order in double perovskites
Somnath Jana, Vijay Singh, Abhishek Nag, Carlo Meneghini, I. Dasgupta, Giuliana Aquilanti, and Sugata Ray
Physical Review B 86, 014203, (2012)
Magnetic behavior of Ba3Cu3Sc4O12.
B. Koteswararao, A V Mahajan, F. Bert, P Mendels, J. Chakraborty, V. R. Singh, I. Dasgupta, S.Rayaprol, V. Siruguri, A Hoser, and S.D. Kaushik
Journal of Physics: Condensed Matter 24, 236001, (2012)
First-Principles Study of the Effect of Organic Ligands on the Crystal Structure of CdS Nanoparticles
K V Shanavas, S M Sharma, I. Dasgupta, A. Nag, A. Hazarika, and D.D. Sarma
Journal of Physical Chemistry C 116, 6507, (2012)
A theoretical and experimental study of magnetism in Gd2In
V. Singh, A. Bhattacharyya, S. Majumdar, and I. Dasgupta
J. Appl. Phys. 111, 053709 , (2012)
  2011
Electronic and magnetic structures of bilayer La3Ni2O6 and trilayer La4Ni3O8 nickelates from first principles.
Soumyajit Sarkar, I. Dasgupta, Martha Greenblatt, and T. Saha-Dasgupta
Phys. Rev. B 84, 180411(Rapid Communication) (2011)
Tuning of Long range Visible Emissions Using Coupled Quantum Dots
Sucheta Sengupta, Nirmal Ganguli, I. Dasgupta, D. D. Sarma and Somobrata Acharya
AIP Proceedings, 1349, 277 (2011)
Superconductivity in multiband disordered systems: A vector recursion approach.
Shreemoyee Ganguly, Indra Dasgupta and Abhijit Mookerjee
Phys. Rev. B 84, 174508 (2011)
Long Range Visible Fluorescence Tunability Using Component Modulated Coupled Quantum Dots.
Sucheta Sengupta, Nirmal Ganguli, I. Dasgupta, D.D. Sarma, and Somobrata Acharya
Advanced Materials, 23 1998, (2011)
Crystal structure engineering by fine tuning the surface energy : The case of CdE (E=S/Se)
A. Nag, A. Hazarika, K,V. Shanavas, S.M. Sharma, I. Dasgupta and D.D. Sarma
Journal of Physical Chemistry Letters, 2 706, (2011)
  2010
Electronic structure and magnetism of transition metal doped Zn12O12 clusters: Role of defects
N. Ganguli, I. Dasgupta, B. Sanyal
Journal of Applied Physics 108 , 123911, ( 2010 )
Atomic-scale chemical fluctuation in LaSrVMoO6, a proposed half-metallic antiferromagnet
S. Jana, V. Singh, S.D. Kaushik, C. Meneghini, P. Pal, R. Knut, O. Karis, I. Dasgupta V. Siruguri, and S. Ray
Phys. Rev. B (Rapid Communication), 82, 180407 (2010)
Origin of ferroelectric polarization in spiral magnetic structure of MnWO4
K.V. Shanavas, D. Choudhury, I. Dasgupta, S.M. Sharma and D.D. Sarma
Phys. Rev. B 81, 212406 ( 2010)
A real space approach to study the effect of off-diagonal disorder on superconductivity
S. Ganguly, I. Dasgupta and A. Mookerjee
Physica C- Superconductivity and Applications 470, 640 , (2010)
Surface- and bulk-sensitive x-ray absorption study of the valence states of Mn and Co ions in Zn1−2xMnxCoxO nanoparticles.
T. Kataoka, Y. Yamazaki, Y. Sakamoto, A. Fujimori, F. H. Chang, H.J. Lin, D.J. Huang, C.T. Chen, A. Tanaka, S.K. Mandal, T.K. Nath, D. Karmakar and I. Dasgupta
Appl. Phys. Lett 96, 252502 (2010)
Electronic structure and magnetic properties of (Fe,Co)-codoped ZnO: Theory and experiment
D. Karmakar, T.V.C. Rao, J.V. Yakhmi, A. Yaresko, V.N. Antonov, R.M. Kadam, S.K. Mandal, R. Adhikari, A.K. Das, T.K. Nath, N. Ganguli, I. Dasgupta and G.P. Das
Phys. Rev. B 81 , 184421, (2010)
Electronic structure and magnetism of the diluted magnetic semiconductor Fe-doped ZnO nanoparticles.
T. Kataoka T, M. Kobayashi, Y. Sakamoto, G.S. Song, A. Fujimori, F.H. Chang, H.J. Lin, D.J. Huang, C.T. Chen, T. Ohkochi, Y. Takeda, T. Okane, Y. Saitoh, H. Yamagami, A. Tanaka, S.K. Mandal, T.K. Nath, D. Karmakar, and I. Dasgupta
Journal of Applied Physics 107 , 033718 ( 2010 )
Magnetic properties of Ni2+xMn1-xIn Heusler alloys: Theory and experiment.
S. Chatterjee,V.R. Singh, A.K. Deb, S. Giri, S.K. De, I. Dasgupta, and S. Majumdar
Journal of Magnetism and Magnetic Materials, 322, 102 ( 2010)
  2009
Electronic structure of FeCr2S4: Evidence of Coulomb enhanced spin-orbit splitting
S. Sarkar, M. De Raychaudhury, I. Dasgupta, and T. Saha-Dasgupta
Phys. Rev. B 80,(Rapid Communication) 201101, (2009)
Augmented space recursion study of the effect of disorder on superconductivity
S. Ganguli, A. Venkatasubramanian, K. Tarafdar, I. Dasgupta and A. Mookerjee
Phys. Rev B 79 , 224204 (2009)
The making of magnetic ZnO nano-clusters.
Nirmal Ganguli, I. Dasgupta, and B. Sanyal
App. Phys Lett 94, 192503 (2009)
Quantum transmittance through random media.
A. Mookerjee, T. Saha-Dasgupta and I. Dasgupta Quantum and semi-classical percolation and breakdown in disordered solids ed. A.K. Sen, K.K. Bardhan and B.K. Chakrabarti
(Lecture Notes in Physics, Springer-Verlag Heidelberg), 83, (2009)
Reply to ”Comment on ’Electronic structure of spin-(1)/(2) Heisenberg antiferromagnetic systems: Ba2Cu(PO4)(2) and Sr2Cu(PO4)(2)’ ”
S. Salunke, M.A.H. Ahsan, R. Nath R, A.V. Mahajan, and I. Dasgupta
Phys. Rev B 79, 127102, ( 2009 )
X-ray Magnetic Circular Dichroism investigations of the origin of room temperature ferromagnetism in Fe doped ZnO nano-particles.
T. Kataoka, M. Kobayashi, G. S, Song, Y. Sakamoto, A. Fujimori, F.H. Chang, Hong-Ji Lin, Di Jing Huang, C T Chen, S.K. Mandal T.K. Nath, D. Karmakar and I. Dasgupta
Jpn. J. Appl. Phys. 48, 04C200 (2009)
Electronic structure of Na2CuP2O7: A nearly 2D Heisenberg antiferromagnetic system.
S. Salunke, V.R. Singh, A.V. Mahajan, and I. Dasgupta
J. Phys: Condens. Matter 21, 025603 (2009)
  2008
Magnetic properties and electronic structure of S=1/2 spin gap compound BaCu2V2O8.
S. Salunke, A.V. Mahajan, and I. Dasgupta
Phys. Rev. B 77, 012410 (2008)
Spintronics- A Revolution in Materials Science and Device Physics
Gour P. Das and Indra Dasgupta
Physics News 38, 46 (2008)
  2007
Spin gap behaviour in a 2-leg spin-ladder BiCu2PO6
B. Koteswararao, S. Salunke, A.V. Mahajan, I. Dasgupta and J. Bobroff
Phys. Rev. B 76, 052402 (2007)
Electronic structure of spin 1/2 Heisenberg antiferromagnetic systems: Ba2Cu(PO4)2 and Ba2Cu(PO4)2
Sarita S. Salunke, M.A.H. Ahsan, R. Nath, A.V. Mahajan and I. Dasgupta
Phys. Rev. B 76, 085104 (2007)
High temperature ferromagnetism in Fe-doped ZnO : a Density Functional Investigation
D. Karmakar, I. Dasgupta, G.P. Das and Y. Kawazoe
Materials Trasactions, 48, 2119 (2007).
 Ferromagnetism in Fe-doped ZnO nanocrystals: experimental and theoretical investigations.
D. Karmakar, S.K. Mandal, R.M. Kadam. P.L. Paulose, A.K. Rajarajan, T.K. Nath, A.K. Das, I. Dasgupta and G.P. Das
Phys. Rev. B 75, 144404 (2007)
  2006
Ferromagnetism in Mn doped half-Heusler NiTiSn: theory and experiment
B. Sanyal, O. Eriksson, K.G. Suresh, I. Dasgupta , A.K. Nigam, and P Nordblad
Appl. Phys. Lett. 89, 212502 (2006)
Electronic structure of half-metallic magnets.
B.R.K. Nanda and I. Dasgupta
J. Compt. Mat. Sci. 36, 96 (2006)Invited Paper
  2005
Electronic structure and magnetism in doped semiconducting half-Heusler compounds.
B.R.K. Nanda and I. Dasgupta
J. Phys: Condens. Matter, 17, 5037 ( 2005)
  2004
Symmetry reduction in the augmented space recursion formalism for random b inary alloys.
K.K. Saha, T. Saha-Dasgupta, A. Mookerjee, and I. Dasgupta
J. Phys: Condens. Matter ,16 , 1409, (2004)
  2003
A first principles thermodynamic approach to ordering in disordered alloys.
A. Mookerjee, T. Saha-Dasgupta, I. Dasgupta, G.P. Das, A. Arya, and S. Ban erjee
Bull. of Mater. Sci. 26, 79, (2003)
Electronic structure and magnetism in half-Heusler compounds.
B.R.K. Nanda, and I. Dasgupta
J. Phys: Condens. Matter , 15 , 7307, (2003)
  2002
Nature of insulating state in NaV2O5 above charge-ordering transition: a cluster DMFT study.
V.V. Mazurenko, A.I. Lichtenstein, M.I. Katsnelson, I. Dasgupta, T. Saha-Dasgupta, V.I. Anisimov.
Phys. Rev. B 66, Rapid Commun. 081104(R) (2002)
  2001
Electronic structure of Chevrel phase compounds, SnxMo6Se7.5: Photoemission spectroscopy and Band structure calculations.
K. Kobayashi, A. Fujimori, T. Ohtani, I. Dasgupta, O. Jepsen and O.K. Andersen
Phys Rev. B 63, 195109, (2001).
Band-structure trend in cuprates and correlation with Tc,max.
E. Pavarini, I. Dasgupta, T. Saha-Dasgupta, O. Jepsen and O.K. Andersen
Phys Rev. Lett. 87, 047003, (2001)
A first principles thermodynamic approach to ordering in Ni-Mo alloys.
A. Arya, S. Banerjee, G.P. Das, I. Dasgupta , T. Saha-Dasgupta and A. Mookerjee
Acta mater, 49 , 3575, (2001)
  2000
Electronic structure and exchange interactions of the ladder vanadates CaV2O5 and MgV2O5.
M.A. Korotin, V.I. Anisimov, T. Saha-Dasgupta, and I. Dasgupta.
J. Phys Condens Matter 12, 113 (2000)
  1999
Electronic structure of High Tc cuprates.
I. Dasgupta and O.K. Andersen
Proceedings of the DAE Solid State Physics Symposium, 42, 26, (1999) Invited Paper.
  1998
Buckling and d-wave pairing in High T>c cuprates.
O. Jepsen, O.K. Andersen, Indra Dasgupta, and S.Y. Savrasov
J. Phys. Chem. of Solids 59, 1718 (1998)
Electronic structure of Ladder Cuprates.
T. M¨uler, V. Anisimov, T.M. Rice, I. Dasgupta, and T. Saha-Dasgupta.
Phys Rev. B 57, R12655 (1998)
Third-Generation TB-LMTO
O.K. Andersen, C Arcangeli, R.W. Tank, T. Saha Dasgupta, G. Krier, O. Jepsen and I. Dasgupta
Tight-Binding Approach to Computational Materials Science, P.E.A. Turchi, A. Gonis, and L. Colombo, eds., MRS Proceedings 491, Materials Research Society, Warrendale, PA, (1998).
  1997
Study of Transition metal aluminide alloys.
Indra Dasgupta, Tanusri Saha-Dasgupta, Abhijit Mookerjee, and G P Das
J. Phys Condens Matter 9, 3529 (1997)
Augmented space recursion method for the calculation of electronic structure of random alloys.
Indra Dasgupta, Tanusri Saha-Dasgupta and Abhijit Mookerjee
Properties of Complex Inorganic Solids, Plenum, ed. A Gonis, A. Meike and P.E.A Turchi, 63 (1997)
Augmented space recursive approach for alloy phase stability.
Tanusri Saha-Dasgupta , Indra Dasgupta and Abhijit Mookerjee
Properties of Complex Inorganic Solids, Plenum ed. A Gonis, A. Meike and P.E.A Turchi, 25 (1997)
  1996
Electronic structure of random binary alloys.
Tanusri Saha , Indra Dasgupta and Abhijit Mookerjee
J. Phys Condens Matter 8, 1979 (1996 )
An Augmented Space Recursive Method For The First Principles Study of concentration profiles at CuNi Alloy Surfaces.
Indra Dasgupta and Abhijit Mookerjee.
J. Phys Condens Matter 8, 4125 (1996 )
  1995
An Augmented Space Recursive Technique for the analysis of alloy phase stability in random binary alloys.
Indra Dasgupta, Tanusri Saha and Abhijit Mookerjee
Phys. Rev. B 51, 3413 (1995)
Quantum Percolation (Review Article)
Abhijit Mookerjee, Indra Dasgupta, and Tanusri Saha
Int. J. Mod. Phys. B 9, 2989 (1995)
  1994
Study of electrons in contact with non-markovian baths.
Indra Dasgupta, and Abhijit Mookerjee
J. Phys. Condens Matter 6, 1545 (1994).
Stochastic Resonances and the Mobility Edge in the three dimensional tight binding Anderson Model .
Indra Dasgupta, Tanusri Saha, and Abhijit Mookerjee
Phys. Rev. B 50, 4867 (1994)
An Augmented Space recursive Technique for the calculation of electronic structure of random binary alloys.
Tanusri Saha, Indra Dasgupta, and Abhijit Mookerjee
J. Phys. Condens. Matter 6, L245 (1994)
An Augmented Space Recursive Method for the study of short range ordering effects in binary alloys
Tanusri Saha, Indra Dasgupta and Abhijit Mookerjee
Phys. Rev. B 50, 13267 (1994).
Quantum Transmittance And Resonance In 2-D Quantum Percolation Model
Indra Dasgupta, Tanusri Saha , Abhijit Mookerjee, and B. K. Chakrabarti
A.I.P Conference Proceedings 286 , 249 (1994)
  1993
Analysis of Stochastic Resonances in two dimensional Quantum Percolation Model.
Indra Dasgupta, Tanusri Saha, and Abhijit Mookerjee
Phys. Rev. B 47, 3097 (1993)
  1992
Is There A Delocalization Transition In a Two-dimensional Model For Quantum Percolation ?
Indra Dasgupta, Tanusri Saha, Abhijit Mookerjee, and B. K. Chakrabarti
Mod. Phys. Lett. B 6 , 817 (1992).
Quantum Percolation and breakdown. Absence of the delocalization transition in two dimensions.
Abhijit Mookerjee, Bikas K. Chakrabarti , Indra Dasgupta, and Tanusri Saha
Physica A 186 , 258 (1992)
Scaling of resistance in two dimensional tight binding Anderson Model.
Indra Dasgupta , Tanusri Saha, and Abhijit Mookerjee
J. Phys. Condens Matter 4, 7865 (1992).
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