NMR Studies of Reentrant Spin Glass Phase in Random Mixture Co_<1_x>Mn_xCl_2・2H_2O with Competing Exchange Interactions
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概要
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The detailed magnetic phase boundary between antiferromagnetic and reentrant spin glass phases is determined by the (dis) appearance of a satellite line in NMR spectra caused by protons in a spin glass state. Transition temperatures for compositions around x=0.6 are found to be lower than the transition temperatures in other concentration regions. In the intermediate concentration region between x=0.47 and x=0.73, a Co-type antiferromagnetic ordering coexists with a Mn-type ordering. The quantity of spins in a spin glass state is estimated from relative intensities of a main line and its satellite lines. This is found to be about 40±10% of the total spins at 1.45K, for 0.47≲x≲0.73.
- 社団法人日本物理学会の論文
- 1993-03-15
著者
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KUBO Hidenori
Fukuoka Institute of Technology
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Zenmyo Kazuko
Fukuoka Insititute Of Technology
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Kubo Hidenori
Fukuoka Insititute Of Technology
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