Preprint

Point contact spectroscopy of the high-temperature superconductor $La_{1.8}Sr_{0.2}CuO_{4}$

I. K. YansonAcademy of Sciences of the Ukrainian SSR , Kharkov ,L. F. Rybal’chenkoPhysicotechnical Institute of Low Temperatures ,V. V. FisunPhysicotechnical Institute of Low Temperatures ,N. I. BobrovPhysicotechnical Institute of Low Temperatures ,Obolenskii, M. A.N. B. BrandtAcademy of Sciences of the Ukrainian SSR , Kharkov ,V. V. MoshchalkovKharkiv University of Humanities People’s Ukrainian AcademyYd TretyakovAr KaulPhysicotechnical Institute of Low Temperatures ,I. É. GraboǐLomonosov State University , Moscow

2017en

ABI

Annotatsiya

The energy gap has been measured and the characteristic phonon energies determined for the superconducting compound $La_{1.8}Sr_{02}CuO_4$ from the current-voltage characteristics of point contacts with a copper counterelectrode. The temperature dependence of the energy gap was determined. pacs 73.40.Jn, 74.25.Kc, 74.45.+c, 73.40.-c, 74.20.Mn, 74.70.Ad, 74.72.-h, Dn

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DOI: 10.48550/arxiv.1701.01982

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