Ti3+ Jahn-Teller polarons and bipolarons in BaTiO3
| Autor(en): | Kohne, S Schirmer, OF Hesse, H Kool, TW Vikhnin, V |
Stichwörter: | Anderson localization; Jahn-Teller effect; Physics; Physics, Applied; Physics, Condensed Matter; polaron | Erscheinungsdatum: | 1999 | Herausgeber: | KLUWER ACADEMIC/PLENUM PUBL | Journal: | JOURNAL OF SUPERCONDUCTIVITY | Volumen: | 12 | Ausgabe: | 1 | Startseite: | 193 | Seitenende: | 195 | Zusammenfassung: | In high quality BaTiO3 crystals without trapping defects conduction electrons form Ti3+ polarons, their stabilization energy being caused by a Jahn-Teller effect. Depending on locally fluctuating potentials, tunable by uniaxial stress, small, intermediate, and banding electrons are identified by EPR. There are indications that also bipolarons are present. |
Beschreibung: | International Conference on Superconductivity and Magnetism, ERICE, ITALY, JUN, 1998 |
ISSN: | 08961107 | DOI: | 10.1023/A:1007731316635 |
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