Point-contact studies of the superconducting phase in antimony
O. I. ShklyarevskiǐPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovI. K. YansonPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovN. N. GribovPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Kharkov
ABI
Abstract
Temperature and field dependences of the IV characteristics and their derivatives are studied for Sb–Au and Sb–Sb point contacts containing inclusions of the superconducting modification of Sb. It is found that the superconducting clusters exist in a hitherto unknown phase of Sb which is a type II superconductor with Tc ≃ 6.3 − 6.7 K. The behavior of electron–phonon interaction point-contact spectra for such contacts is studied in a magnetic field.
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