Anomalous structure and phonon dynamics in La1.85Sr0.15CuO4

Toshio Arakawa; Masatoshi Arai; Tatsuo Nishijima; Masaki Fujita; Yoichi Murakami; Hajime Kawada; Kazuyoshi Yamada; Chul Ho Lee; Yasuo Endoh

doi:10.1007/BF00768484

Anomalous structure and phonon dynamics in La_1.85Sr_0.15CuO₄

Toshio Arakawa, Masatoshi Arai, Tatsuo Nishijima, Masaki Fujita, Yoichi Murakami, Hajime Kawada, Kazuyoshi Yamada, Chul Ho Lee, Yasuo Endoh

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

Abstract

We performed X-ray diffraction and neutron scattering experiments on high quality single crystals of La_1.85Sr_0.15CuO₄. We found a forbidden (1,0,0) peak, which develops below the HTT-LTO structural transition temperature, and an anomalous behavior of acoustic phonon at (2,2,0). These results indicate that the structural anomaly has a strong relation with an superconductivity.

Original language	English
Pages (from-to)	819-824
Number of pages	6
Journal	Journal of Low Temperature Physics
Volume	105
Issue number	3-4
DOIs	https://doi.org/10.1007/BF00768484
Publication status	Published - 1996 Jan 1
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Materials Science(all)
Condensed Matter Physics

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title = "Anomalous structure and phonon dynamics in La1.85Sr0.15CuO4",

abstract = "We performed X-ray diffraction and neutron scattering experiments on high quality single crystals of La1.85Sr0.15CuO4. We found a forbidden (1,0,0) peak, which develops below the HTT-LTO structural transition temperature, and an anomalous behavior of acoustic phonon at (2,2,0). These results indicate that the structural anomaly has a strong relation with an superconductivity.",

author = "Toshio Arakawa and Masatoshi Arai and Tatsuo Nishijima and Masaki Fujita and Yoichi Murakami and Hajime Kawada and Kazuyoshi Yamada and Lee, {Chul Ho} and Yasuo Endoh",

year = "1996",

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doi = "10.1007/BF00768484",

language = "English",

volume = "105",

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journal = "Journal of Low Temperature Physics",

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TY - JOUR

T1 - Anomalous structure and phonon dynamics in La1.85Sr0.15CuO4

AU - Arakawa, Toshio

AU - Arai, Masatoshi

AU - Nishijima, Tatsuo

AU - Fujita, Masaki

AU - Murakami, Yoichi

AU - Kawada, Hajime

AU - Yamada, Kazuyoshi

AU - Lee, Chul Ho

AU - Endoh, Yasuo

PY - 1996/1/1

Y1 - 1996/1/1

N2 - We performed X-ray diffraction and neutron scattering experiments on high quality single crystals of La1.85Sr0.15CuO4. We found a forbidden (1,0,0) peak, which develops below the HTT-LTO structural transition temperature, and an anomalous behavior of acoustic phonon at (2,2,0). These results indicate that the structural anomaly has a strong relation with an superconductivity.

AB - We performed X-ray diffraction and neutron scattering experiments on high quality single crystals of La1.85Sr0.15CuO4. We found a forbidden (1,0,0) peak, which develops below the HTT-LTO structural transition temperature, and an anomalous behavior of acoustic phonon at (2,2,0). These results indicate that the structural anomaly has a strong relation with an superconductivity.

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