Shylin S. Investigation of conventional and unconventional superconductivity in chalcogenides under high pressure

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0416U005919

Thesis Registration Form

0416U005919.pdf

Applicant for

Specialization

  • 02.00.04 - Фізична хімія

26-12-2016

Specialized Academic Board

Д26.001.03

Essay

The dissertation focuses on the mechanism of superconductivity in chalcogenide superconductors under high pressure, the study of their electrical, magnetic and spectroscopic characteristics. A detailed study of Moessbauer spectra of iron selenide and products of metallic lithium intercalation revealed the role of magnetic fluctuations in superconducting pairing. Investigation of the behavior of electrical resistance, including in external magnetic field, and magnetic studies revealed that hydrogen sulfide is the first conventional high temperature superconductor with high critical temperature of 203 K under pressure of 150 GPa.

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