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Influence of oxygen...
Influence of oxygen coordination number on the electronic structure of single-layer La-based cuprates
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- Horio, M. (author)
- University of Tokyo
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- Peiao, X. (author)
- Tohoku University
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- Miyamoto, M. (author)
- University of Tokyo
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- Wada, T. (author)
- University of Tokyo
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- Isomura, K. (author)
- Tohoku University
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- Osiecki, J. (author)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
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- Thiagarajan, B. (author)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
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- Polley, C. M. (author)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
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- Tanaka, K. (author)
- Institute for Molecular Science
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- Kitamura, M. (author)
- High Energy Accelerator Research Organization, Tsukuba
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- Horiba, K. (author)
- National Institutes for Quantum Science and Technology,High Energy Accelerator Research Organization, Tsukuba
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- Ozawa, K. (author)
- High Energy Accelerator Research Organization, Tsukuba
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- Taniguchi, T. (author)
- Tohoku University
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- Fujita, M. (author)
- Tohoku University
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- Matsuda, I. (author)
- University of Tokyo
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(creator_code:org_t)
- 2023
- 2023
- English.
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In: Physical Review B. - 2469-9950. ; 108:3
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Abstract
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- We present an angle-resolved photoemission spectroscopy study of the single-layer T∗-type structured cuprate SmLa1-xSrxCuO4 with unique fivefold pyramidal oxygen coordination. Upon varying oxygen content, T∗-SmLa1-xSrxCuO4 evolved from a Mott-insulating to a metallic state where the Luttinger sum rule breaks down under the assumption of a large holelike Fermi surface. This is in contrast with the known doping evolution of the structural isomer La2-xSrxCuO4 with sixfold octahedral coordination. In addition, quantitatively characterized Fermi surface suggests that the empirical Tc rule for octahedral oxygen-coordination systems does not apply to T∗-SmLa1-xSrxCuO4. The present results highlight unique properties of the T∗-type cuprates possibly rooted in its oxygen coordination, and necessitate thorough investigation with careful evaluation of disorder effects.
Subject headings
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Horio, M.
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Peiao, X.
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Miyamoto, M.
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Wada, T.
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Isomura, K.
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Osiecki, J.
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show more...
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Thiagarajan, B.
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Polley, C. M.
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Tanaka, K.
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Kitamura, M.
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Horiba, K.
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Ozawa, K.
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Taniguchi, T.
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Fujita, M.
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Matsuda, I.
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Inorganic Chemis ...
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Physical Review ...
- By the university
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Lund University