Mossbauer Study of a Random Mixture with Orthogonal Spin Anisotropies: Rb_2Co_<1-x>Fe_xF_4
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概要
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M6ssbauer spectroscopy has been used to study the magnetic properties ofa two-dimensional (2D) random mixture Rb.Co) ,Fe.F. with competing spinanisotropies. The direction of individual Fe spin has been shown to be tilted inboth the antiferromagnetic (AF) and mixed ordering phases. This means that,in the AF phase, the spin component which has no long-range order exists stati-cally at least in the time scale of the Larmor precession of "Fe (x 10 ' s) andcouples to the other spin component which exhibits a long-range order.The behavior of individual Fe spin is different from that in the other mixtures(10 and 3D systems). In the sample of ,v':0.81, with decreasing temperature, Fespins fall down successively from a direction almost parallel to the c-axis to thedirection which makes an angle of -70' with the c-axis. This phenomenon isprobably connected with a change from 2D order into 3D order of the spin system.
- 社団法人日本物理学会の論文
- 1984-11-15
著者
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Ito Atsuko
Department Of Physics Fculty Of Science Ochanomizu University
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Ito Atsuko
Department Of Physics Faculty Of Science Ochanomizu University
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Ito A
Department Of Physics Faculty Of Science Ochanomizu University
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Hiraoka Yoshiko
Doctoral Research Course In Human Culture Ochanomizu University:electron Devices Lab. Toshiba Resear
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Ito Atsuko
Department Of Legal Medicine School Of Medicine Toho University
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Someya Hiraoka
Doctoral Research Course in Human Culture,Ochanomizu University
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