T. E. Kuzmicheva, S. A. Kuzmichev, Ye. O. Rakhmanov, I. V. Morozov
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引用次数: 0
Abstract
For the first time, using tunneling and Andreev spectroscopies of planar break-junctions, we have studied the properties of the superconducting subsystem of K0.8Fe1.7(Se0.72S0.28)2 iron selenide single crystals with a natural phase separation. We have directly determined its energy characteristics: the magnitude of the superconducting order parameter Δ(0), and its characteristic ratio 2Δ(0)/kBTc. The obtained temperature behavior of the critical current Ic(T)/Ic(0) could be fitted with Ambegaokar-Baratoff formula using the experimental 2Δ(0)/kBTc value.
期刊介绍：
Bulletin of the Lebedev Physics Institute is an international peer reviewed journal that publishes results of new original experimental and theoretical studies on all topics of physics: theoretical physics; atomic and molecular physics; nuclear physics; optics; lasers; condensed matter; physics of solids; biophysics, and others.
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