Article

Anomalous behavior of the elastic modulus in La1.8Sr0.2CuO4

A. L. GaidukPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovS. ZherlitsynPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovA. S. PanfilovPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovV. M. PuzikovPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovA. M. StepanenkoPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovV. D. FilPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovA. S. ChernyĭPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Kharkov

Soviet Journal of Low Temperature Physicsjournal1987en

ABI

Abstract

We have observed a significant (up to 10%) reduction in the longitudinal and transverse sound velocities in the ceramic La1.8Sr0.2CuO4. The reduction is detectable in the temperature range 200−40 K and indicates that the system is approaching a structurally unstable state.

Topics

Physics of Superconductivity and Magnetism Magnetic and transport properties of perovskites and related materials Superconducting Materials and Applications

Identifiers

DOI: 10.1063/10.0031727

Citations and references

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