Thermodynamic and Structural Studies of Liquid and Amorphous Ge_15Te_85-xMx (M = Ag, Cu and In, and x = 0 to 10)(Condensed Matter : Structure, Mechanical and Thermal Properties)
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概要
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The measurements of sound velocity and neutron scattering in the liquid state, and DSC and XAFS measurements in the amorphous state were carried out for Ge_15Te_85 and Ge_15Te_85-xMx (M = Ag, Cu and In) to investigate the correlation between the glass forming ability and local structure in the liquid and amorphous states. The results suggest that there exists Cu_2Te like chemical short-range order in liquid and amorphous Ge_15Te_80Cu_5. Similar results are obtained for liquid and amorphous Ge_15Te_80Ag_5 alloys. The local structure around In atoms is different from those of Ag and Cu atoms, which could be attributed to the difference in the chemical bonds between M and Te. In the Ge_15Te_85-xMx (M = Ag, Cu and In) alloys, the structure of glasses and the glass forming ability would be closely related to the liquid structure and nature of the Te-M bonds.
- 社団法人日本物理学会の論文
- 2003-01-15
著者
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桜井 雅樹
東北大学金属材料研究所
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FUKUNAGA Toshiharu
Research Reactor Institute, Kyoto University
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TSUCHIYA Yoshimi
Department of Applied Physics,Tokyo Institute of Technology
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Suzuki Kenji
Institute For Materials Research Tohoku University
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Suzuki Kiyonori
Department Of Materials Science Kitami Institute Of Technology
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Sakurai Masaki
Lnstitute Of Materials Research Tohoku University
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Fukunaga T
Research Reactor Institute Kyoto University
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Fukunaga Toshiharu
Department Of Respiratory Medicine And Department Of Clinical Pathology Kanazawa Medical University
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Fukunaga Toshiharu
Research Reactor Institute Kyoto University
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KAKINUMA Fujio
Niigata College of Pharmacy
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Kakinuma F
Niigata Institute Of Technology
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Kakinuma Fujio
Niigata Institute Of Tecnology
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SUZUKI Kenji
Advanced Institute of Materials Research
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Sakurai M
Iwaki Meisei Univ. Fukushima Jpn
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Tsuchiya Y
Department Of Physics Faculty Of Science. Niigata University
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Tsuchiya Yoshimi
Department Of Applied Physics Tokyo Institute Of Technology
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Tsuchiya Yoshimi
Deparment Of Applied Physics Tokyo Institute Of Technology
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TSUCHIYA Yoshimi
Department of Applied Physics, Tokyo Institute of Technology
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SUZUKI Kenji
Institute for Materials Research,Tohoku University
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