NDLI: Superconductivity and Jahn-Teller Polarons in Titanates

Content Provider	Springer Nature Link
Author	Stashans, Arvids Pinto, Henry Sánchez, Paul
Copyright Year	2003
Abstract	The present work focuses on the superconductivity phenomenon in La-doped SrTiO$_{3}$ crystal, and the Jahn-Teller (JT) polarons in BaTiO$_{3}$ crystal. In the case of SrTiO$_{3}$ crystal this study shows the occurrence of free electrons in the conduction band of the crystal and explains a number of the experimental results obtained for the superconducting La-doped SrTiO$_{3}$ existing under 0.3K. Free electrons are found to be situated within the Ti-O planes similar as in the case of the high temperature superconducting (HTS) cuprates. Results obtained for the JT polarons in BaTiO$_{3}$ crystal explain a number of experimental observations and coincide with the other results obtained independently by the polaron theory. A phenomenological model explaining a bipolaron formation in titanates is suggested and analysed in the present work.
Starting Page	415
Ending Page	423
Page Count	9
File Format	PDF
ISSN	00222291
Journal	Journal of Low Temperature Physics
Volume Number	130
Issue Number	3-4
e-ISSN	15737357
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	2003-01-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Characterization and Evaluation Materials Condensed Matter Magnetism, Magnetic Materials
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Materials Science

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