HYDROSTATIC AND UNIAXIAL PRESSURE EFFECT ON La1.85Sr0.15CuO4 SUPERCONDUCTOR-Reference-Cited by-同舟云学术

HYDROSTATIC AND UNIAXIAL PRESSURE EFFECT ON La1.85Sr0.15CuO4 SUPERCONDUCTOR

Published:2000-12-20 Issue:29n31 Volume:14 Page:3328-3333
ISSN:0217-9792
Container-title:International Journal of Modern Physics B
language:en
Short-container-title:Int. J. Mod. Phys. B

Author:

ARUMUGAM S.¹,MORI N.²,OHASHI M.²,TAKEISHITA N.²,TAKASHIMA H.³,NODA T.³,EISAKI H.³,UCHIDA S.³

Affiliation:

1. Department of Physics, Bharathidasan University, Tiruchirappalli – 620 024, India

2. Institute for Solid State Physics, University of Tokyo 5-1-5, Kashiwanoha, Kashiwa 277-8581, Japan

3. Department of Superconductivity, University of Tokyo, Bunkyo-ku, Tokyo 113, Japan

Abstract

We report hydrostatic and uniaxial pressure dependence of Tc and HTT to LTO transition temperature (Td) for La 1.85 Sr 0.15 CuO 4 superconducting crystals. It was found that the Tc increases and Td decreases with pressure along a-axis and vice versa along c-axis. The Tc does not show any change for pressure along (110) axis. The Tc increases (dTc/dP=+1.54 K/GPa ) and Td decreases (dTd/dP=-44 K/GPa ) under hydrostatic pressure. These anisotropic effects are discussed based on the variations in the amplitude of the tilt angle of oxygen octahedra, which would affect the pinning of fluctuating stripe order.

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217979200003800

Reference17 articles.

1. Pressure dependence of the tetragonal-orthorhombic transition in La2−xSrxCuO4−y

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