液体リンの圧力及び温度誘起相転移
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概要
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We report constant-pressure first-principles molecular-dynamics simulations on liquid-liquid phase transition of phosphorus. By compressing a low-pressure liquid composed of tetrahedral P4 molecules, a structural transition from a molecular to polymeric liquid (a high-pressure liquid) observed in the recent experiment by Katayama et al. [Nature 403, 170 (2000)] was successfully realized. It is found that this transition is caused by a breakup of the tetrahedral molecules with large volume contraction. The same transition is also realized by heating. This indicates that only the polymeric liquid can stably exist at high temperatures.
- 日本高圧力学会の論文
- 2003-08-20