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강상관계 물질 연구단
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Spin-orbit coupling driven orbital-selective doping effect in Sr2Ru1-xIrxO4

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Title
Spin-orbit coupling driven orbital-selective doping effect in Sr2Ru1-xIrxO4
Author(s)
Junyoung Kwon; 강상관계 물질 연구단; Mi Kyung Kim; Jonathan Denlinger; Aaron Bostwick; Eli Rotenberg; Nara Lee; Hwan Young Choi; Jae Young Moon; Young Jai Choi; Junsik Mun; Miyoung Kim; Yoshiyuki Yoshida; Wonshik Kyung; Kim, Chanyoung
Publication Date
2021-02
Journal
PHYSICAL REVIEW B, v.103, no.8
Publisher
AMER PHYSICAL SOC
Abstract
Orbital-selective phenomena in mutliorbital systems have received much attention due to their uniqueness as well as possible connections to other phenomena. As orbital-selectiveness is mostly related to the crystal structure, finding a new control parameter other than structure would be of significant importance. Here we report discovery of an orbital-selective doping effect in Sr2Ru1-xIrxO4 (SRIO). Our systematic electronic structure study of SRIO reveals an anomalous orbital-selective doping effect and concomitant Lifshitz transitions (LTs) in the gamma band. With the help of a tight-binding calculation, we find that the orbital-selective doping effect is due to variation in the spin-orbit coupling (SOC) strength. Our findings not only elucidate the mechanism of LTs in the gamma band in SRIO but may also open new avenues for novel SOC-controlled orbital-selective phenomena.
URI
https://pr.ibs.re.kr/handle/8788114/9577
DOI
10.1103/PhysRevB.103.L081104
ISSN
2469-9950
Appears in Collections:
Center for Correlated Electron Systems(강상관계 물질 연구단) > 1. Journal Papers (저널논문)
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