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Spin-orbit coupling...
Spin-orbit coupling in the Mott insulator Ca2RuO4
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Mizokawa, T. (author)
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Tjeng, L. H. (author)
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Sawatzky, G. A. (author)
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Ghiringhelli, G. (author)
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- Tjernberg, Oscar (author)
- KTH,Mikroelektronik och informationsteknik, IMIT
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Brookes, N. B. (author)
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Fukazawa, H. (author)
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Nakatsuji, S. (author)
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Maeno, Y. (author)
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(creator_code:org_t)
- 2001
- 2001
- English.
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In: Physical Review Letters. - 0031-9007 .- 1079-7114. ; 8707:7
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- O 1s x-ray absorption study of the Mott insulator Ca2RuO4 shows that the orbital population of the 4d t(2g) band dramatically changes with temperature. In addition, spin-resolved circularly polarized photoemission study of Ca2RuO4 shows that a substantial orbital angular momentum is induced in the Ru 4d t(2g) band. Based on the experimental results and model Hartree-Fock calculations, we argue that the cooperation between the strong spin-orbit coupling in the Ru 4d t(2g) band and the small distortion of the RuO6 octahedra causes the interesting changeover of the spin and orbital anisotropy as a function of temperature.
Keyword
- electronic-structure
- layered perovskite
- sr2ruo4
- superconductivity
- transition
- states
- ca2-xsrxruo4
- triplet
Publication and Content Type
- ref (subject category)
- art (subject category)
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