Low-symmetry paramagnetic center in a KTaO3 : Ni crystal
| Autor(en): | Sochava, L. S. Basun, S. A. Bursian, V. E. Vikhnin, V. S. Razdobarin, A. G. Evans, D. R. Kapphan, S. E. |
Stichwörter: | FE3+; OPTICAL ALIGNMENT; Physics; Physics, Condensed Matter | Erscheinungsdatum: | 2007 | Herausgeber: | MAIK NAUKA/INTERPERIODICA/SPRINGER | Journal: | PHYSICS OF THE SOLID STATE | Volumen: | 49 | Ausgabe: | 3 | Startseite: | 460 | Seitenende: | 462 | Zusammenfassung: | A new paramagnetic center of orthorhombic symmetry with spin S = 1/2 is revealed in KTaO3: Ni crystals. The well-resolved superhyperfine EPR structure consisting of 15 components indicates preferred interaction of the center with two tantalum nuclei (Ta-181, I = 7/2). This center does not decay and its orientation remains unchanged up to room temperature. Possible models of the center are discussed. |
ISSN: | 10637834 | DOI: | 10.1134/S1063783407030110 |
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