Mössbauer of Negative U Centers in Semiconductors and Superconductors - Bordovsky, Gennady;Marchenko, Alla;Seregin, Pavel
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The results of the study of donor negative U centers in lead chalcogenides by Mössbauer emission spectroscopy are discussed. The published data regarding the identification of amphoteric negative U centers in glassy binary arsenic and germanium chalcogenides using Mössbauer emission spectroscopy, and in multicomponent chalcogenide glasses using Mössbauer absorption spectroscopy are considered. Published data concerning the identification of two-atom negative U centers in lattices of the metal-oxides of copper by Mössbauer emission spectroscopy are analyzed. The principal possibility of using…mehr

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Produktbeschreibung
The results of the study of donor negative U centers in lead chalcogenides by Mössbauer emission spectroscopy are discussed. The published data regarding the identification of amphoteric negative U centers in glassy binary arsenic and germanium chalcogenides using Mössbauer emission spectroscopy, and in multicomponent chalcogenide glasses using Mössbauer absorption spectroscopy are considered. Published data concerning the identification of two-atom negative U centers in lattices of the metal-oxides of copper by Mössbauer emission spectroscopy are analyzed. The principal possibility of using Mössbauer negative U centers as a tool for studying the Bose Einstein condensation of electron pairs during the superconducting phase transition in high-temperature and classic superconductors is considered.
Autorenporträt
Collaborators of the Alexander Herzen State Pedagogical University of Russia - Gennady Bordovsky, President of the University, Alla Marchenko, Associate Professor, and Pavel Seregin, Professor. Authors¿ scientific field of knowledge ¿ Mössbauer spectroscopy of semiconductors, semimetals and superconductors.