Magnetic susceptibility of optimally doped HgBa2CuO4+δ

Yutaka Itoh; Takato Machi; Ayako Yamamoto

doi:10.1103/PhysRevB.96.235118

Magnetic susceptibility of optimally doped HgBa2CuO4+δ

Yutaka Itoh, Takato Machi, Ayako Yamamoto

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Abstract

The magnitude of the powder spin susceptibility of an optimally doped superconductor HgBa2CuO4+δ (Hg1201) in the normal state is found to be nearly the same as that of La2-xSrxCuO4 near the optimally doped level. The Stoner enhancement factor of Hg1201 is larger than that of La2-xSrxCuO4. The magnitude correlation of the Stoner enhancement factor is inconsistent with the effect of the recent theoretical Coulomb repulsion between 3d electrons and that of the superexchange interaction of a charge transfer type.

Original language	English
Article number	235118
Journal	Physical Review B
Volume	96
Issue number	23
DOIs	https://doi.org/10.1103/PhysRevB.96.235118
Publication status	Published - 2017 Dec 13

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.96.235118

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abstract = "The magnitude of the powder spin susceptibility of an optimally doped superconductor HgBa2CuO4+δ (Hg1201) in the normal state is found to be nearly the same as that of La2-xSrxCuO4 near the optimally doped level. The Stoner enhancement factor of Hg1201 is larger than that of La2-xSrxCuO4. The magnitude correlation of the Stoner enhancement factor is inconsistent with the effect of the recent theoretical Coulomb repulsion between 3d electrons and that of the superexchange interaction of a charge transfer type.",

author = "Yutaka Itoh and Takato Machi and Ayako Yamamoto",

note = "Publisher Copyright: {\textcopyright} 2017 American Physical Society.",

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AU - Machi, Takato

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N2 - The magnitude of the powder spin susceptibility of an optimally doped superconductor HgBa2CuO4+δ (Hg1201) in the normal state is found to be nearly the same as that of La2-xSrxCuO4 near the optimally doped level. The Stoner enhancement factor of Hg1201 is larger than that of La2-xSrxCuO4. The magnitude correlation of the Stoner enhancement factor is inconsistent with the effect of the recent theoretical Coulomb repulsion between 3d electrons and that of the superexchange interaction of a charge transfer type.

AB - The magnitude of the powder spin susceptibility of an optimally doped superconductor HgBa2CuO4+δ (Hg1201) in the normal state is found to be nearly the same as that of La2-xSrxCuO4 near the optimally doped level. The Stoner enhancement factor of Hg1201 is larger than that of La2-xSrxCuO4. The magnitude correlation of the Stoner enhancement factor is inconsistent with the effect of the recent theoretical Coulomb repulsion between 3d electrons and that of the superexchange interaction of a charge transfer type.

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Magnetic susceptibility of optimally doped HgBa2CuO4+δ

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