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Bond-lengths of the atomic nearest-neighbor and next-nearest-neighbor in A1−xBxC1−yDy III–V solid solutions |
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| Authors: | Hong Liu Decheng Guo Fengping Lu Zhonghua Wu Yongfan Ding Kunquan Lu |
| Affiliation: | a Department of Bio-medical Engineering, Capital University of Medical Science, Beijing 100054, People's Republic of China b Beijing Synchrotron Radiation Laboratory, Institute of High Energy Physics, Chinese Academy of Sciences, P.O. Box 918, Beijing 100039, People's Republic of China c Institute of Physics, Chinese Academy of Sciences, Beijing 100080, People's Republic of China |
| Abstract: | On the basis of the FDUC model and the hypothesis of the constant covalent radii, the expressions of the atomic nearest-neighbor and the next-nearest-neighbor bond-lengths were derived for A1−xBxC1−yDy III–V quaternary solid solutions. This set of bond-length expressions predicts the averaged bond-lengths and bond angles at any concentration (x, y) for the III–V pseudobinary and quaternary solid solutions, which are only dependent on the lattice parameters and the concentrations of the pure end compounds. When x=0, 1 or y=0, 1, A1−xBxC1−yDy III–V quaternary solid solutions degenerate into the relative pseudobinary solid solutions, in which the nearest-neighbor and the next-nearest-neighbor bond-lengths agree well with the experimental results. Further discussion and comparison with other theoretical models are also given in this paper. |
| Keywords: | Bond-length Atomic nearest-neighbor structures III–V solid solutions |
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