Optical properties in d-p-model high-Tc cuprates

Murayama, Yoshimasa; Nakajima, Sadao

doi:10.1016/0022-3697(93)90190-3

Journal of Physics and Chemistry of Solids

1993

DOI: 10.1016/0022-3697(93)90190-3

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Optical properties in d-p-model high-Tc cuprates

Yoshimasa Murayama

Sadao Nakajima

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1995

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Calculation of Absorption Spectra of YBa₂Cu₃O_7-δ by Means of Xα Method

Maruyama¹,

Shinagawa²,

Saito³

et al. 1995

Jpn. J. Appl. Phys.

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In order to clarify the absorption spectra of YBa2Cu3O7-δ (YBCO) in both the insulating state (δ=1) and superconducting state (δ=0), the electronic states are calculated by cluster approximation by means of the Xα method. The absorption peak observed in the mid-IR region in the superconducting state of YBCO is assigned to the transition from the O2 2p z orbital to the hybrid orbital of O1 2p z and Cu II 3d z 2 in a hole-doped (CuO5)7- pyramid cluster, and the peak at 4.1 eV observed in the insulating state, to the transition from the O1 2p z orbital to the Cu I 4p x one in a (CuO2)3- chain cluster. The overall spectra are reproduced well using the transition energies and the oscillator strengths calculated by the Xα method.

show abstract

Calculation of Absorption Spectra of YBa₂Cu₃O_7-δ by Means of Xα Method

Maruyama¹,

Shinagawa²,

Saito³

et al. 1995

Jpn. J. Appl. Phys.

View full text Add to dashboard Cite

show abstract

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Optical properties in d-p-model high-Tc cuprates

Cited by 1 publication

References 8 publications

Calculation of Absorption Spectra of YBa₂Cu₃O_7-δ by Means of Xα Method

Calculation of Absorption Spectra of YBa₂Cu₃O_7-δ by Means of Xα Method

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Optical properties in d-p-model high-Tc cuprates

Cited by 1 publication

References 8 publications

Calculation of Absorption Spectra of YBa2Cu3O7-δ by Means of Xα Method

Calculation of Absorption Spectra of YBa2Cu3O7-δ by Means of Xα Method

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Product

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Calculation of Absorption Spectra of YBa₂Cu₃O_7-δ by Means of Xα Method

Calculation of Absorption Spectra of YBa₂Cu₃O_7-δ by Means of Xα Method