Magnetic properties of Li2RuO3 as studied by NMR and LDA+DMFT calculations

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Title
Magnetic properties of Li2RuO3 as studied by NMR and LDA+DMFT calculations
Author(s)
I.Yu.Arapova; A. L. Buzlukov; A.Yu.Germov; K.N.Mikhalev; Teck-Yee Tan; Je Geun Park; S. V. Streltsov
Publication Date
2017-03
Journal
JETP LETTERS, v.105, no.6, pp.375 - 379
Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
Abstract
We present results of the combined study of the magnetic properties of Li2RuO3 by means of nuclear magnetic resonance (NMR) spectroscopy and theoretical dynamical mean-field theory (LDA+DMFT) calculations. The NMR data clearly show the onset of a thermal activation process in the high temperature region, T > 560 K, which is tentatively ascribed to the formation of the valence bond liquid. The LDA+DMFT calculations demonstrate that the magnetic response at these temperatures is mostly due to the xz/yz orbitals, while the xy orbitals of Ru still form molecular orbitals. Thus, Ru ions are in the orbital-selective state in the high temperature phase of Li2RuO3. © 2017 Pleiades Publishing, Inc.
URI
https://pr.ibs.re.kr/handle/8788114/3600
ISSN
0021-3640
Appears in Collections:
Center for Correlated Electron Systems(강상관계 물질 연구단) > Journal Papers (저널논문)
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