<P>We report resonant inelastic x-ray scattering (RIXS) measurements on ordered double-perovskite samples containing Re5+ and Ir5+ with 5d(2) and 5d(4) electronic configurations, respectively. In particular, the observedRIXS spectra of Ba2YReO6 ...
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https://www.riss.kr/link?id=A107437366
Yuan, Bo ; Clancy, J. P. ; Cook, A. M. ; Thompson, C. M. ; Greedan, J. ; Cao, G. ; Jeon, B. C. ; Noh, T. W. ; Upton, M. H. ; Casa, D. ; Gog, T. ; Paramekanti, A. ; Kim, Young-June
2017
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학술저널
235114
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P>We report resonant inelastic x-ray scattering (RIXS) measurements on ordered double-perovskite samples containing Re5+ and Ir5+ with 5d(2) and 5d(4) electronic configurations, respectively. In particular, the observedRIXS spectra of Ba2YReO6 ...
<P>We report resonant inelastic x-ray scattering (RIXS) measurements on ordered double-perovskite samples containing Re5+ and Ir5+ with 5d(2) and 5d(4) electronic configurations, respectively. In particular, the observedRIXS spectra of Ba2YReO6 and Sr2MIrO6 (M = Y, Gd) show sharp intra-t(2g) transitions, which can be quantitatively understood using a minimal 'atomic' Hamiltonian incorporating spin-orbit coupling. and Hund's coupling J(H). Our analysis yields lambda = 0.38(2) eV with J(H) = 0.26(2) eV for Re5+ and lambda = 0.42(2) eV with J(H) = 0.25(4) eV for Ir5+. Our results provide sharp estimates for Hund's coupling in 5d oxides and suggest that it should be treated on equal footing with spin-orbit interaction in multiorbital 5d transition-metal compounds.</P>
Localization of fermions in coupled chains with identical disorder