Maqola

Anomalous behavior of the structural and thermodynamic characteristics of the ceramic La1.8Sr0.2CuO4 on going over into the superconducting state

B. I. VerkinPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar’kovA. I. ProkhvatilovPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar’kovM. A. Strzhemechnyı̆Physicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar’kovA. P. IsakinaPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar’kovA. S. Baryl’nikPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar’kovVolodymyr KhomenkoPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar’kovYu. L. Gal’nitskayaPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar’kovV. V. DemirskiĭPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar’kov

Soviet Journal of Low Temperature Physicsjournal1987en

ABI

Annotatsiya

X-ray investigations of the ceramic La1.8Sr0.2CuO4 have been carried out in the temperature range 5–293 °K. A lowering of the lattice symmetry from tetragonal to orthorhombic was established for T&lt;200 °K. Singularities in the temperature dependence of the lattice parameters and molar volume and anomalies in the thermal expansion were found in the region of the superconducting transition, correlated in temperature with anomalies in the specific heat.

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Mavzular

Physics of Superconductivity and Magnetism Magnetic and transport properties of perovskites and related materials High-pressure geophysics and materials

Identifikatorlar

DOI: 10.1063/10.0031754

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