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Dimensionality-strain phase diagram of strontium iridates
Kim, Bongjae; Liu, Peitao; Franchini, Cesare; Kim, B (reprint author), Univ Vienna, Fac Phys, A-1090 Vienna, Austria.; Kim, B (reprint author), Univ Vienna, Ctr Computat Mat Sci, A-1090 Vienna, Austria.
2017-03-07
Source PublicationPHYSICAL REVIEW B
ISSN2469-9950
Volume95Issue:11Pages:-
AbstractThe competition between spin-orbit coupling, bandwidth (W), and electron-electron interaction (U) makes iridates highly susceptible to small external perturbations, which can trigger the onset of novel types of electronic and magnetic states. Here we employ first principles calculations based on density functional theory and on the constrained random phase approximation to study how dimensionality and strain affect the strength of U and W in (SrIrO3)(m)/(SrTiO3()) superlattices. The result is a phase diagram explaining two different types of controllable magnetic and electronic transitions, spin-flop and insulator-to-metal, connected with the disruption of the J(eff) = 1/2 state which cannot be understood within a simplified local picture.; The competition between spin-orbit coupling, bandwidth (W), and electron-electron interaction (U) makes iridates highly susceptible to small external perturbations, which can trigger the onset of novel types of electronic and magnetic states. Here we employ first principles calculations based on density functional theory and on the constrained random phase approximation to study how dimensionality and strain affect the strength of U and W in (SrIrO3)(m)/(SrTiO3()) superlattices. The result is a phase diagram explaining two different types of controllable magnetic and electronic transitions, spin-flop and insulator-to-metal, connected with the disruption of the J(eff) = 1/2 state which cannot be understood within a simplified local picture.
description.department[kim, bongjae ; liu, peitao ; franchini, cesare] univ vienna, fac phys, a-1090 vienna, austria ; [kim, bongjae ; liu, peitao ; franchini, cesare] univ vienna, ctr computat mat sci, a-1090 vienna, austria ; [liu, peitao] univ chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china
Subject AreaPhysics, Condensed Matter
Funding OrganizationAustrian Science Fund (FWF) [I1490-N19]; Indian Department of Science and Technology (DST) [I1490-N19]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78238
Collection中国科学院金属研究所
Corresponding AuthorKim, B (reprint author), Univ Vienna, Fac Phys, A-1090 Vienna, Austria.; Kim, B (reprint author), Univ Vienna, Ctr Computat Mat Sci, A-1090 Vienna, Austria.
Recommended Citation
GB/T 7714
Kim, Bongjae,Liu, Peitao,Franchini, Cesare,et al. Dimensionality-strain phase diagram of strontium iridates[J]. PHYSICAL REVIEW B,2017,95(11):-.
APA Kim, Bongjae,Liu, Peitao,Franchini, Cesare,Kim, B ,&Kim, B .(2017).Dimensionality-strain phase diagram of strontium iridates.PHYSICAL REVIEW B,95(11),-.
MLA Kim, Bongjae,et al."Dimensionality-strain phase diagram of strontium iridates".PHYSICAL REVIEW B 95.11(2017):-.
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