Zobrazeno 1 - 10
of 113
pro vyhledávání: '"Indra, Dasgupta"'
Publikováno v:
Physical Review Research, Vol 2, Iss 1, p 013333 (2020)
Active A-site cations like Bi or Pb in ABO_{3} perovskites are known for their valence-skipping nature as well as for the stereochemical activities connected to lone pairs. While the former gives rise to breathing distortions in compounds like BiNiO_
Externí odkaz:
https://doaj.org/article/f470a19e3c47461ea412eed8d59782be
Autor:
Manjil Das, Sayantika Bhowal, Jhuma Sannigrahi, Abhisek Bandyopadhyay, Anupam Banerjee, Giannantonio Cibin, Dmitry Khalyavin, Niladri Banerjee, Devashibhai Adroja, Indra Dasgupta, Subham Majumdar
Publikováno v:
Physical Review B. 105
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e40774c0d934ee27cf87919bfa23da9
https://doi.org/10.1103/physrevb.105.134421
https://doi.org/10.1103/physrevb.105.134421
Autor:
K. Yokoyama, A. V. Mahajan, N. Büttgen, Sanjay Bachhar, Indra Dasgupta, Vasudeva Siruguri, Sumiran Pujari, Atasi Chakraborty, Pabitra Kumar Biswas, Vinod Kumar
Publikováno v:
Physical Review B. 104
Recently, there have been contrary claims of Kitaev spin-liquid behavior and ordered behavior in the honeycomb compound ${\mathrm{Ag}}_{3}\mathrm{Li}{\mathrm{Ir}}_{2}{\mathrm{O}}_{6}$ based on various experimental signatures. Our investigations on th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d482bb032dbe4b1a53770cb57211e5b
https://doi.org/10.1103/physrevb.104.115106
https://doi.org/10.1103/physrevb.104.115106
Autor:
Dmitry D. Khalyavin, Anup Kumar Bera, D. T. Adroja, Indra Dasgupta, Martin R. Lees, K. Yokoyama, A. Paul, Asok K. Banerjee, Adrian D. Hillier, Subham Majumdar, J. Sannigrahi
Publikováno v:
Physical Review B. 103
${\mathrm{Ba}}_{4}{\mathrm{Ru}}_{3}{\mathrm{O}}_{10}$, the quasi-one-dimensional spin-1 ($S$ = 1) compound, has rather intricate magnetic properties. The compound consists of structural Ru trimers, which together form the zig-zag chains where the Ru
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c5fd09bda9cf44321b3b8c72240c9964
https://doi.org/10.1103/physrevb.103.144431
https://doi.org/10.1103/physrevb.103.144431
Autor:
Indra Dasgupta, Sayantika Bhowal
Publikováno v:
Journal of physics. Condensed matter : an Institute of Physics journal. 33(45)
Spin-orbit effects in heavy 5$d$ transition metal oxides, in particular, iridates, have received enormous current interest due to the prediction as well as the realization of a plethora of exotic and unconventional magnetic properties. While a bulk o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fc549eacd4c6662373976af62845a532
https://pubmed.ncbi.nlm.nih.gov/34352745
https://pubmed.ncbi.nlm.nih.gov/34352745
Publikováno v:
Physical Review B. 103
First-principles electronic structure calculations have been employed to identify the nature of spin textures induced by Rashba-Dresselhaus effect in the ferroelectric systems ${\mathrm{LaWN}}_{3}$ (LWN), ${\mathrm{Ag}}_{2}{\mathrm{BiO}}_{3}$ (ABO),
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::24a3b5e0b21da0b0f2ad183e35096e55
https://doi.org/10.1103/physrevb.103.014105
https://doi.org/10.1103/physrevb.103.014105
Autor:
K. M. Ranjith, S. Kundu, A. V. Mahajan, Pabitra Kumar Biswas, Mark T. F. Telling, Indra Dasgupta, Sumiran Pujari, Jörg Sichelschmidt, Atasi Chakraborty, B. Koo, Aga Shahee, Michael Baenitz
Publikováno v:
Physical Review Letters. 125
We report gapless quantum spin liquid behavior in the layered triangular ${\mathrm{Sr}}_{3}{\mathrm{CuSb}}_{2}{\mathrm{O}}_{9}$ system. X-ray diffraction shows superlattice reflections associated with atomic site ordering into triangular Cu planes we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10be8dc438c694fd98991af235b71867
https://doi.org/10.1103/physrevlett.125.267202
https://doi.org/10.1103/physrevlett.125.267202
Publikováno v:
Physical Review B. 102
Employing first-principles density functional theory calculations and Wannierization of the low-energy band structure, we analyze the electronic structure of undoped, infinite-layer nickelate compounds ${\mathrm{NdNiO}}_{2},$ ${\mathrm{PrNiO}}_{2},$
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::34b7b41ddf055be639f586fa4f0c5c55
https://doi.org/10.1103/physrevb.102.220502
https://doi.org/10.1103/physrevb.102.220502
Publikováno v:
Physical Review B. 101
Motivated by the recent report on the high-${T}_{c}$ ferromagnetic insulating state of a single transition metal containing a double perovskite compound, ${\mathrm{Sr}}_{3}{\mathrm{OsO}}_{6}$ [Wakabayashi et al., Nat Commun. 10, 535 (2019)], we study
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::26f23665dddbf7325dd3cc15ba920f51
https://doi.org/10.1103/physrevb.101.184422
https://doi.org/10.1103/physrevb.101.184422
Publikováno v:
Physical Review Research. 2
This paper identifies the microscopic origin of breathing versus polar distortions exhibited by ABO3 perovskites, containing active A sites like Bi or Pb. The authors show that that the condition by which the system exhibits breathing type distortion
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::665c8176f2265d7860aaebf7fba9af6b
https://doi.org/10.1103/physrevresearch.2.013333
https://doi.org/10.1103/physrevresearch.2.013333