Influence of oxygen coordination number on the electronic structure of single-layer La-based cuprates

M. Horio; X. Peiao; M. Miyamoto; T. Wada; K. Isomura; J. Osiecki; B. Thiagarajan; C. M. Polley; K. Tanaka; M. Kitamura; K. Horiba; K. Ozawa; T. Taniguchi; M. Fujita; I. Matsuda

doi:10.1103/PhysRevB.108.035105

Influence of oxygen coordination number on the electronic structure of single-layer La-based cuprates

M. Horio, X. Peiao, M. Miyamoto, T. Wada, K. Isomura, J. Osiecki, B. Thiagarajan, C. M. Polley, K. Tanaka, M. Kitamura, K. Horiba, K. Ozawa, T. Taniguchi, M. Fujita, I. Matsuda

MAX IV Laboratory

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Abstract

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.

Original language	English
Article number	035105
Journal	Physical Review B
Volume	108
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevB.108.035105
Publication status	Published - 2023 Jul

Subject classification (UKÄ)

Inorganic Chemistry

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10.1103/PhysRevB.108.035105

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Horio, M., Peiao, X., Miyamoto, M., Wada, T., Isomura, K., Osiecki, J., Thiagarajan, B., Polley, C. M., Tanaka, K., Kitamura, M., Horiba, K., Ozawa, K., Taniguchi, T., Fujita, M., & Matsuda, I. (2023). Influence of oxygen coordination number on the electronic structure of single-layer La-based cuprates. Physical Review B, 108(3), Article 035105. https://doi.org/10.1103/PhysRevB.108.035105

@article{8cc67854da0f46f69cdce5d17462dea1,

title = "Influence of oxygen coordination number on the electronic structure of single-layer La-based cuprates",

abstract = "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.",

author = "M. Horio and X. Peiao and M. Miyamoto and T. Wada and K. Isomura and J. Osiecki and B. Thiagarajan and Polley, {C. M.} and K. Tanaka and M. Kitamura and K. Horiba and K. Ozawa and T. Taniguchi and M. Fujita and I. Matsuda",

year = "2023",

month = jul,

doi = "10.1103/PhysRevB.108.035105",

language = "English",

volume = "108",

journal = "Physical Review B",

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publisher = "American Physical Society",

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Horio, M, Peiao, X, Miyamoto, M, Wada, T, Isomura, K, Osiecki, J, Thiagarajan, B, Polley, CM, Tanaka, K, Kitamura, M, Horiba, K, Ozawa, K, Taniguchi, T, Fujita, M & Matsuda, I 2023, 'Influence of oxygen coordination number on the electronic structure of single-layer La-based cuprates', Physical Review B, vol. 108, no. 3, 035105. https://doi.org/10.1103/PhysRevB.108.035105

TY - JOUR

T1 - Influence of oxygen coordination number on the electronic structure of single-layer La-based cuprates

AU - Horio, M.

AU - Peiao, X.

AU - Miyamoto, M.

AU - Wada, T.

AU - Isomura, K.

AU - Osiecki, J.

AU - Thiagarajan, B.

AU - Polley, C. M.

AU - Tanaka, K.

AU - Kitamura, M.

AU - Horiba, K.

AU - Ozawa, K.

AU - Taniguchi, T.

AU - Fujita, M.

AU - Matsuda, I.

PY - 2023/7

Y1 - 2023/7

N2 - 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.

AB - 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.

U2 - 10.1103/PhysRevB.108.035105

DO - 10.1103/PhysRevB.108.035105

M3 - Article

AN - SCOPUS:85164584188

SN - 2469-9950

VL - 108

JO - Physical Review B

JF - Physical Review B

IS - 3

M1 - 035105

ER -

Influence of oxygen coordination number on the electronic structure of single-layer La-based cuprates

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