New Evidence for Spin Glass States in U_2TSi_3 (T=Pd, Pt and Au) : AC Susceptibility and Electrical Resistivity
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概要
- 論文の詳細を見る
The uranium intermetallic compounds U_2TSi_3 (T=Pd, Pt and Au), which crystallize in a disordered derivative of the hexagonal AlB_2-type structure, have been studied by means of ac susceptibility and electrical resistivity measurements. The experimental results and the dynamical analyses give new and important evidence for the formation of spin glass states in these systems. The origin of spin glass behavior for U_2TSi_3 is different from that for diluted metallic material or rare-earth intermetallic compounds. The competition between ferromagnetic and antiferromagnetic exchange couplings mainly mediated by the 5f-ligand hybridization in U_2TSi_3 is considered to originate from the random distribution of T and Si atoms in the crystal lattice.
- 社団法人日本物理学会の論文
- 2002-02-15
著者
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Li D
Tohoku Univ. Ibaraki Jpn
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Haga Yoshinori
Advanced Science Research Center Japan Atomic Energy Research Institute
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Yamamoto Etsuji
Advanced Science Research Center Japan Atomic Energy Agency
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Li Dexin
Institute For Material Research Tohoku University
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Li Dexin
Institute For Materials Research Tohoku University
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Shiokawa Yoshinobu
Institute For Materials Research Tohoku University
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Onuki Yoshichika
Institute Of Material Science The University Of Tsukuba
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Okuda Yusuke
Gradnate School Of Science Osaka University
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HAGA Yoshinori
Advance Science Research Center, Japan Atomic Energy Agency
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