Resonance Shift of ESR Lines Due to Low-Symmetric Spin Distribution in Impure Two-Dimensional Systems K_2Mn_cMg_<1-c>F_4
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概要
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Shifts of F,SR lines in impure two-dimensional magnets K.'Mn.Mg)-,F3were investigated in X-band region at room tenxperature. The theory, whichincludes the terms arising from the two-dimensionality of spin distribution inthe Kubo-Tomita theory, predicts the angular variation of sin" ?2(1 -]-9 sin" 0)cos 2p or sin" 2(3 cos" 0 - l) cos 2(75 for the shifts according as alit q rnodes oronly (=0 mode in the dipolar interactioza are concerzaed. Here, 0 ctrtd 4 are thepolar and azimuthal angles, respectively, of the c axis with respect to a coordinatesystem in which an extertaal field is along the polar axis. The shifts observed inK.Mn0.,?.Mg(,.57F,? were explained by takitag account of the dominancy of the(=0 mode and the effect of the long time tails in the spin correlation function inthe impure system.
- 社団法人日本物理学会の論文
- 1980-07-15
著者
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Yokozawa Yasaburo
Research Institute Of Applied Electricity Hokkaido University
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Tanimoto Mitsuho
Research Institute Of Applied Electricity Hokkaido University
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