Nuclear Magnetic Relaxation in Non-Cubic Ferromagnet MnP
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概要
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Relaxation times for the domain and wall resonances arising, respectively,from the edge and the center of the 180' domain walls in ferromagnetic MnPhave been measured by steady state and spin echo methods at 77 K in zeroexternal field. The values obtained by steady state method T and the values ob-tained bv srin echo method 7'1, Tz are as follows; 3901:40 usec (r'), 27:1:4usec(r-), 3.7 msec (7'f), 78 qsec (T's), and 6.4 /ZSCC (T7). Here, d refers to the domainresonance and w refers to the wall resonance. The value of r' is intermediatebetween 7'? and T9, which is qualitatively predicted from the Portis theory. Therelaxation times of the domain resonance are 12 to 14 times as large as those ofwall resonance in MnP.
- 1977-07-15
著者
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Kawakami Masayuki
Department Of Information Network Engineering Tokyo City University
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Ibaraki Nobuki
Department of Physics, Tohoku University, Sendai
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Kawakami Masayuki
Department of Physics,Tohoku University
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