Oscillation electron model superconductors: phase diagram, temperature transition, isotopic shift

Nadezhda P. Netesova

doi:10.1117/12.2293081

1 March 2018 Oscillation electron model superconductors: phase diagram, temperature transition, isotopic shift

Nadezhda P. Netesova

Proceedings Volume 10533, Oxide-based Materials and Devices IX; 105330Z (2018) https://doi.org/10.1117/12.2293081
Event: SPIE OPTO, 2018, San Francisco, California, United States

Abstract

An oscillating electron model for iron of selenide FeSe, niobium of germanate Nb3Ge, magnesium diboride MgB2, cuprate YBa2Cu3O6.5+χ, mercury cuprate HgBa2Ca2Cu3O8+ χ superconductors was considered. The superconducting phase transition is accompanied by the destruction of valence bonds, phase separation and the formation of molecules takes place. For the case of a binary crystal, this process can be represented in the form 2AB = A2 + B2. The square plasma energies ħω_pv ² and the interaction parameters q = 2ω² [ab] / (ω² [a2] + ω² [b2]) were calculated. The dependence of the superconducting phase transition temperature Tc on the interaction parameter q was obtained. The equation has the form Tc = ─ 188.66537q + 181.40836. Equations for the isotope effect of iron selenide FeSe, magnesium diboride MgB2, cuprate YBa2Cu3O6.5 + χ have been obtained.

Citation Download Citation

Nadezhda P. Netesova "Oscillation electron model superconductors: phase diagram, temperature transition, isotopic shift", Proc. SPIE 10533, Oxide-based Materials and Devices IX, 105330Z (1 March 2018); https://doi.org/10.1117/12.2293081

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