Magnetic Phase Transitions and Magnetoelastic Phenomena in UNiGa under Pressure

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概要

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• Thernaal expansion and magnetostriction of UNiGa single crystal have been meastrred at therange of' pressures up to 2.2 GPa and uauagnetic fields up to 1.5 T. The results are reported witha special enaphasis on anorraalies accompanying the magnetic phase transitions and the effect ofpresstrre on the critical par?ttneters (transition tenaperature and rnagnetic field). Forrnation of anew antiferrornagnetic phase induced by presstrres above 1.8 GPa is revealed. Analysis of restrltsenabled us to construct P-Tnaagnetic phase diagrams fir fields up to l.5T. The rnagnetoelasticeffects are discussed in terzns of rraarked variations in electronic structure accompanying transitions between different tnagnetic structtrres with various couplings of U magnetic moments alongthe c-axis and involveuaaent of strong spin-orbit interaction.

• 社団法人日本物理学会の論文
• 1997-07-15

著者

• Andreev A

  Inst. Physics Ascr Praque Cze

• Sechovsky Vladimir

  Department Of Metal Physics Charles University

• Prokes K

  Hahn‐meitner‐inst. Berlin Deu

• HONDA Fuminori

  Department of Physics, Kyushu University

• Bruck Ekkehard

  Van Der Waals-zeeman Institute University Of Amsterudam

• Honda Fuminori

  Graduate School Of Science Osaka University

• Honda F

  Kumamoto Univ. Kumamoto Jpn

• Honda Fuminori

  Department Of Electronic Structures Faculty Of Mathematics And Physics Charles Univ.

• Kagayama Tomoko

  Department of Mechanical Engineering and Materials Science, Kumamoto University

• Gendo Oomi

  Department of Mechanical Engineering and Materials Science,Kumamoto University

• V.Andreev Alexander

  Institute of Physics,Academy of Sciences of the Czech Republic

• Havela Ladislav

  Department of Metal Physics,Charles University

• Prokes Karel

  Department of Metal Physics,Charles University

• Kagayama Tomoko

  Department Of Mechanical Engineering And Materials Science Faculty Of Engineering Kumamoto Universit

• Kagayama Tomoko

  Department Of Mechanical Engineering And Materials Science Kumamoto University

• Havela Ladislav

  Department Of Metal Physics Charles University

• Prokes Karel

  Department Of Metal Physics Charles University : Van Der Waals-zeeman Institute University Of Amster

• V.andreev Alexander

  Institute Of Physics Academy Of Sciences Of The Czech Republic

• Oomi Gendo

  Department Of Mechanical Engineering And Materials Science Faculty Of Engineering Kumamoto Universit

• Gendo Oomi

  Department Of Mechanical Engineering And Materials Science Kumamoto University

• Honda Fuminori

  Osaka Univ. Osaka Jpn

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