Elastic anomalies in a La1.85Sr0.15CuO4 single crystal under high magnetic fields

Tetsuo Hanaguri; Tetsuo Fukase; Takao Suzuki; Isao Tanaka; Hironao Kojima

doi:10.1016/0921-4526(94)91289-0

Elastic anomalies in a La_1.85Sr_0.15CuO₄ single crystal under high magnetic fields

Tetsuo Hanaguri, Tetsuo Fukase, Takao Suzuki, Isao Tanaka, Hironao Kojima

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

6 Citations (Scopus)

Abstract

Temperature dependence of the sound velocity V_s in a La_1.85Sr_0.15CuO₄ single crystal has been measured in the (c₁₁ - c₁₂)/2 mode and in the c₃₃ mode under high magnetic fields up to 23T. In the field above 6T, V_s in the (c₁₁ - c₁₂)/2 mode anomalously decreases with decreasing temperature, followed by the increase below about 10K. In the c₃₃ mode, similar behavior of V_s can be observed above 20T. Such a temperature dependence of V_s may suggest the existence of a strain sensitive narrow band near the Fermi level or a phase transition related to the flux line lattice.

Original language	English
Pages (from-to)	1579-1580
Number of pages	2
Journal	Physica B: Physics of Condensed Matter
Volume	194-196
Issue number	PART 2
DOIs	https://doi.org/10.1016/0921-4526(94)91289-0
Publication status	Published - 1994 Feb 2
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1016/0921-4526(94)91289-0

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title = "Elastic anomalies in a La1.85Sr0.15CuO4 single crystal under high magnetic fields",

abstract = "Temperature dependence of the sound velocity Vs in a La1.85Sr0.15CuO4 single crystal has been measured in the (c11 - c12)/2 mode and in the c33 mode under high magnetic fields up to 23T. In the field above 6T, Vs in the (c11 - c12)/2 mode anomalously decreases with decreasing temperature, followed by the increase below about 10K. In the c33 mode, similar behavior of Vs can be observed above 20T. Such a temperature dependence of Vs may suggest the existence of a strain sensitive narrow band near the Fermi level or a phase transition related to the flux line lattice.",

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T1 - Elastic anomalies in a La1.85Sr0.15CuO4 single crystal under high magnetic fields

AU - Hanaguri, Tetsuo

AU - Fukase, Tetsuo

AU - Suzuki, Takao

AU - Tanaka, Isao

AU - Kojima, Hironao

PY - 1994/2/2

Y1 - 1994/2/2

N2 - Temperature dependence of the sound velocity Vs in a La1.85Sr0.15CuO4 single crystal has been measured in the (c11 - c12)/2 mode and in the c33 mode under high magnetic fields up to 23T. In the field above 6T, Vs in the (c11 - c12)/2 mode anomalously decreases with decreasing temperature, followed by the increase below about 10K. In the c33 mode, similar behavior of Vs can be observed above 20T. Such a temperature dependence of Vs may suggest the existence of a strain sensitive narrow band near the Fermi level or a phase transition related to the flux line lattice.

AB - Temperature dependence of the sound velocity Vs in a La1.85Sr0.15CuO4 single crystal has been measured in the (c11 - c12)/2 mode and in the c33 mode under high magnetic fields up to 23T. In the field above 6T, Vs in the (c11 - c12)/2 mode anomalously decreases with decreasing temperature, followed by the increase below about 10K. In the c33 mode, similar behavior of Vs can be observed above 20T. Such a temperature dependence of Vs may suggest the existence of a strain sensitive narrow band near the Fermi level or a phase transition related to the flux line lattice.

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Elastic anomalies in a La_1.85Sr_0.15CuO₄ single crystal under high magnetic fields

Abstract

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