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Electron paramagnetic resonance of copper centres in potassium tantalate single crystals
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SYSNO ASEP 0133963 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Electron paramagnetic resonance of copper centres in potassium tantalate single crystals Author(s) Badalyan, A. G. (RU)
Baranov, P. G. (RU)
Azamat, D. V. (RU)
Trepakov, V. A. (RU)
Azzoni, C. B. (IT)
Galinetto, P. (IT)
Mozzati, M. C. (IT)
Jastrabík, Lubomír (FZU-D) RID, ORCID
Rosa, Jan (FZU-D) RIDSource Title Journal of Physics-Condensed Matter. - : Institute of Physics Publishing - ISSN 0953-8984
Roč. 14, - (2002), s. 6855-6863Number of pages 9 s. Language eng - English Country GB - United Kingdom Keywords EPR ; copper centres ; potassium tantalate Subject RIV BM - Solid Matter Physics ; Magnetism R&D Projects LN00A015 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z1010914 - FZU-D Annotation EPR resonanse of exchange-coupled of C2+ ions was observed in KTaO3:Cu, K1-xLixTa1-yNbyO3:Cu single crystals. The spectra are typical of centres with S=1 and tetragonal symmetry. The experimental results are explaned in terms of a pair centre model, which consists of a chain of two equivalent copper ions and three oxygen vacancies. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2003
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