ESR Line Shape in the Incommensurate Phase of K2SeO4Crystal Doped with VO2+Ions
- 1 July 1981
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 20 (7), L533
- https://doi.org/10.1143/jjap.20.l533
Abstract
The temperature dependence of ESR spectra of VO2+ions has been studied in the incommensurate phase of K2SeO4crystal. The line shape with asymmetric edge-singularities was analysed in terms of an incommensurate spatial modulation of the hyperfine tensor. By using the plane wave modulation model, a very good fit between the experimental and theoretical line shapes was obtained in the temperature range fromTIto ≃TC+10 K. The temperature dependence of the amplitude of the incommensurate modulation reveals that the index β for the amplitude is 0.48±0.05 in this temperature range.Keywords
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