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Computer simulation of order-disorder phase transition in the intercalation compounds M1/2TiS2 (M = Fe, Co, Ni)
引用本文:LI Zuoan,SONG Qinggong Department of Physical Chemistry,University of Science and Technology Beijing,Beijing 100083,China College of Science,Civil Aviation University of China,Tianjin 300300,China. Computer simulation of order-disorder phase transition in the intercalation compounds M1/2TiS2 (M = Fe, Co, Ni)[J]. 稀有金属(英文版), 2004, 23(2): 161-164
作者姓名:LI Zuoan  SONG Qinggong Department of Physical Chemistry  University of Science and Technology Beijing  Beijing 100083  China College of Science  Civil Aviation University of China  Tianjin 300300  China
作者单位:LI Zuoan;SONG Qinggong Department of Physical Chemistry,University of Science and Technology Beijing,Beijing 100083,China College of Science,Civil Aviation University of China,Tianjin 300300,China
基金项目:This work was supported by the Foundation of Civil Aviation University of China (No. 2001-3-18).
摘    要:Based on cluster variation method (CVM) and natural iteration method (NIM), order-disorde phase transition inthe intercalation compounds M_(1/2)TiS_2 is simulated by computer. The favorble conditions, under which 3a_0~(1/2)×a_0 super-structure is formed, are given, and the results are in good agreement with the experiments and theoretical calculations. Therelationship between critical temperature and M-ion-vacancy interaction parameter is linear.

关 键 词:计算机模拟 群集变分法 迭代法 插层化合物 有序无序相转换 铁钛硫化合物 钴钛硫化合物 镍钛硫化合物 温度

Computer simulation of order-disorder phase transition in the intercalation compounds M1/2TiS2 (M = Fe,Co,Ni)
LI Zuoan,SONG Qinggong. Computer simulation of order-disorder phase transition in the intercalation compounds M1/2TiS2 (M = Fe,Co,Ni)[J]. Rare Metals, 2004, 23(2): 161-164
Authors:LI Zuoan  SONG Qinggong
Affiliation:1. Department of Physical Chemistry, University of Science and Technology Beijing, Beijing 100083, China;College of Science, Civil Aviation University of China, Tianjin 300300, China
2. College of Science, Civil Aviation University of China, Tianjin 300300, China
Abstract:Based on cluster variation method (CVM) and natural iteration method (NIM), order-disorder phase transition in the intercalation compounds M1/2TiS2 is simulated by computer. The favorable conditions, under which 3a0 ×a0 superstructure is formed, are given, and the results are in good agreement with the experiments and theoretical calculations. The relationship between critical temperature and M-ion-vacancy interaction parameter is linear.
Keywords:order-disorder phase transition  cluster variation method  natural iteration method  intercalation compound
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