The First Order Magnetic Phase Transition in Dy-4%Y Alloy

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概要

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• The first order magnetic transition of spiral to ferromagnetic structure of Dy-4%Yalloy, which is induced by both temperature and magnetic field, has been investigatedby means of X-ray diffraction and magnetization measurement. The development ofthe ferromagnetic phase could be studied by X-ray diffraction measurement for theobservation of the hexagonal to orthorohmbic crystal distortion accompanying thefirst order magnetic transition. Below T., the ferromagnetic and spiral phases coexistdown to 10 K and the latter was found to be in a meta-stable state. The developmentof the ferromagnetic phase induced by both temperature and magnetic field exhibits atime dependent behavior and is proportional to log t. The results are discussed withthe one dimensional kink model assuming the "spin slip" in the spiral phase.[magnetic phase transition, rare earth metal, X-ray diffraction, magnetization ll measurement, experimentl

• 社団法人日本物理学会の論文
• 1991-07-15

著者

• Tajima Keisuke

  Department Of Physics Faculty Of Science And Technology Keio University

• Shinoda Yoshio

  Department Of Physics Faculty Of Science And Technology Keio University

• OGUCHI Keiichiro

  SEIKO-EPSON Co.Ltd.

• Tajima Keisuke

  Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan

• TAJIMA Keisuke

  Department of Applied Chemistry, School of Engineering, The University of Tokyo

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