Soft phonon mode in the high-Tc superconductor Tl-Ba-Ca-Cu-O

Y. Koyama; H. Hoshiya

doi:10.1103/PhysRevB.39.7336

Soft phonon mode in the high-Tc superconductor Tl-Ba-Ca-Cu-O

Y. Koyama, H. Hoshiya

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

Thermal diffuse scattering due to a transverse phonon (e[010]) propagating along the [100] direction was found in electron-diffraction patterns of Tl-Ba-Ca-Cu-O with Tc of 117 K. The scattering has an intensity maximum at the middle between two fundamental spots along the 100 directions and its intensity increases with decreasing temperature. That is, the Tl oxide with high Tc exhibits the soft-phonon behavior.

Original language	English
Pages (from-to)	7336-7338
Number of pages	3
Journal	Physical Review B
Volume	39
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevB.39.7336
Publication status	Published - 1989
Externally published	Yes

ASJC Scopus subject areas

Condensed Matter Physics

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abstract = "Thermal diffuse scattering due to a transverse phonon (e[010]) propagating along the [100] direction was found in electron-diffraction patterns of Tl-Ba-Ca-Cu-O with Tc of 117 K. The scattering has an intensity maximum at the middle between two fundamental spots along the 100 directions and its intensity increases with decreasing temperature. That is, the Tl oxide with high Tc exhibits the soft-phonon behavior.",

author = "Y. Koyama and H. Hoshiya",

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AB - Thermal diffuse scattering due to a transverse phonon (e[010]) propagating along the [100] direction was found in electron-diffraction patterns of Tl-Ba-Ca-Cu-O with Tc of 117 K. The scattering has an intensity maximum at the middle between two fundamental spots along the 100 directions and its intensity increases with decreasing temperature. That is, the Tl oxide with high Tc exhibits the soft-phonon behavior.

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Soft phonon mode in the high-Tc superconductor Tl-Ba-Ca-Cu-O

Abstract

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