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Hyperfine contribution to the F NMR lineshift in the planar antiferromagnet K2MnF4 |
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| Authors: | C Bucci G Guidi and C Vignali V Fano M Giordano |
| Institution: | a Physics Department, University of Parma, Parma, Italy b Gruppo Nazionale di Struttura della Materia of the C.N.R., Italy MASPEC Laboratory of the C.N.R., Parma, Italy Physical Chemistry Department, University of Venice, Venice, Italy |
| Abstract: | NMR experiments on F19 nuclei in K2MnF4 single crystal are performed in the temperature region 20–300 K. In particular the angular dependence of the line shift has been found substantially due to the magnetic dipolar interaction with the Mn electron spins. The values of the measured transferred hyperfine interaction (THI) tensor components indicate the isotropic nature of the Mn---F bond. Good agreement has been found between the lineshift values and the available susceptibility data in the temperature region 20–300 K. |
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