Low-symmetry paramagnetic center in a KTaO3: Ni crystal
| Autor: | V. S. Vikhnin, S. E. Kapphan, L. S. Sochava, V. É. Bursian, S. A. Basun, Dean R. Evans, A. G. Razdobarin |
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| Rok vydání: | 2007 |
| Předmět: |
Materials science
Solid-state physics Tantalum chemistry.chemical_element Condensed Matter Physics Electronic Optical and Magnetic Materials law.invention Crystal Paramagnetism Crystallography Nuclear magnetic resonance chemistry law Center (algebra and category theory) Spin (physics) Electron paramagnetic resonance Low symmetry |
| Zdroj: | Physics of the Solid State. 49:460-462 |
| ISSN: | 1090-6460 1063-7834 |
| DOI: | 10.1134/s1063783407030110 |
| Popis: | 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 (181Ta, I = 7/2). This center does not decay and its orientation remains unchanged up to room temperature. Possible models of the center are discussed. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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