High Field Maganetization Process of Random Mixtures with Competing Exchange Interactions K_2Cu_xA_<1-x>F_4(A=Mn and Co)
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概要
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The magnetization process of randomly mixed crystals K.Cu.A. .F. (A=Mn andCo) having ferromagnetic and antiferromagnetic competing interactions has been investigated in pulsed high magnetic fields. Three types of the magnetization curves inthe ferromagnetic, spin-glass and antiferromagnetic regions, respectively, have beenmeasured at 1.8 K in both systems. In K.Cu.Mn. .F., the value of the exchange conslant of Cu" -Mn" bonding in the ferromagnetic region is estimated to be-5:0.5K from the analysis of the magnetization curve. The convex upwardmagnetization curve and the spin-flop transition have been observed in the spin-glassand antiferromagnetic regions, respectively. The magnetization curves of K.Cu.Co. .F. are compared with those of K.Cu.Mn. .F. to study the effect of theanisotropy on the magnetization process.
- 社団法人日本物理学会の論文
- 1989-02-15
著者
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SAKAKIBARA Toshiro
Institute for Solid State Physics, University of Tokyo
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GOTO Tsuneaki
Institute for Solid State Physics,University of Tokyo
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YAMADA Isao
Department of Physics, Faculty of Science, Chiba University
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ITOH Masayuki
Department of Physics,Faculty of Science,Chiba University
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Yamada Isao
Department Of Communications And Integrated Systems Tokyo Institute Of Technology
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Goto Tsuneaki
Institute For Solid State Physics The University Of Tokyo
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Sakakibara Toshiro
Institute For Solid State Physics The University Of Tokyo
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Itoh Masayuki
Department Of Mental Retardation And Birth Defect Research National Center Of Neurology And Psychiat
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Itoh Masayuki
Department Of Applied Chemistry Kanagawa Institute Of Technology
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Yamada Isao
Departmen Of Communications And Integrated Systems Tokyo Institute Of Technology
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