Inhomogeneous superconductivity probed through the elastic constant of the vortex lattice in La1.93Sr0.07CuO4

T. Suzuki; T. Goto; H. Goka; M. Fujita; K. Yamada

doi:10.1016/j.jmmm.2003.11.090

Inhomogeneous superconductivity probed through the elastic constant of the vortex lattice in La_1.93Sr_0.07CuO₄

T. Suzuki, T. Goto, H. Goka, M. Fujita, K. Yamada

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

Abstract

Ultrasonic measurements have been carried out in order to investigate the superconducting volume fraction in La_2-xSr_xCuO₄ (x = 0.07) single crystal, with x slightly larger than the critical point of the superconducting transition x_c ∼ 0.06. The elastic constant of the vortex lattice, which is proportional to the superconducting volume fraction, shows a gradual increase below the superconducting transition temperature T_c = 14 K with decreasing temperature.

Original language	English
Pages (from-to)	e153-e154
Journal	Journal of Magnetism and Magnetic Materials
Volume	272-276
Issue number	SUPPL. 1
DOIs	https://doi.org/10.1016/j.jmmm.2003.11.090
Publication status	Published - 2004 May 1
Externally published	Yes

Keywords

Elastic constant
High-T

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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AU - Suzuki, T.

AU - Goto, T.

AU - Goka, H.

AU - Fujita, M.

AU - Yamada, K.

PY - 2004/5/1

Y1 - 2004/5/1

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AB - Ultrasonic measurements have been carried out in order to investigate the superconducting volume fraction in La2-xSrxCuO4 (x = 0.07) single crystal, with x slightly larger than the critical point of the superconducting transition xc ∼ 0.06. The elastic constant of the vortex lattice, which is proportional to the superconducting volume fraction, shows a gradual increase below the superconducting transition temperature Tc = 14 K with decreasing temperature.

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