Crystal Structures and Phase Transitions of the Gold-Rich Gold-Cadmium Alloy
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概要
- 論文の詳細を見る
The gold-cadmium alloys in the composition range between 23 and 29 at.% cadmium were studied by X-ray diffraction and by measurements of specific heat and electrical resistance. By means of an X-ray single crystal diffraction method, it was confirmed that the ordered alloy Au_3Cd (a_1 phase) has a one-dimensional anti-phase domain structure of the Ag_3Mg type exhibiting a face-centered tetragonal fundamental cell a=4.116A, c/a=1.005 (24.6 per cent Cd). It was also established that a regular arrangement of stacking faults exists in the hexagonal a_2 phase of the 25.5% Cd alloy. Changes of specific heat and electrical resistance due to the order-disorder transition of the alloy Au_3Cd as well as those due to the lattice transition from hexagonal (a_2) to cubic (a) were measured. The results are qualitatively discussed in connection with the structure of these phases.
- 東北大学の論文
著者
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HIRABAYASHI Makoto
The Research Institute for Iron,Steel and Other Metals,Tohoku University
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Ogawa Shiro
The Research Institute For Iron Steel And Other Metals
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Ogawa Shiro
The Rcsearch Institute For Iron Steel And Other Metals Tohoku University
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Hirabayashi Makoto
The Research Institute For Iron Steel And Other Metals
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