Nuclear Science and Techniques

《核技术》(英文版) ISSN 1001-8042 CN 31-1559/TL     2019 Impact factor 1.556
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Nuclear Science and Techniques ›› 2017, Vol. 28 ›› Issue (3): 38 doi: 10.1007/s41365-017-0180-4

• NUCLEAR CHEMISTRY,RADIOCHEMISTRY,RADIOPHARMACEUTICALS AND NUCLEAR MEDICINE • Previous Articles     Next Articles

Local structural characteristics of Sb2Te3 films studied by reverse Monte Carlo modeling

Ling Zhang 1  San-Nian Song 2  He Lin 1  Yan Cheng 2  Wei Xi 2  Le Li 2  Yan He 1  Zhi-Tang Song 2   

  1. 1 Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201204, China
    2 State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Micro-system and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
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L. Zhang · S.-N. Song · H. Lin · Y. Cheng · W. Xi · L. Li · Y. He · Z.-T. Song. Local structural characteristics of Sb2Te3 films studied by reverse Monte Carlo modeling.Nuclear Science and Techniques, 2017, 28(3): 38     doi: 10.1007/s41365-017-0180-4
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Abstract:

Atomic configuration and connectivity of Sb2Te3 thin film are investigated using high-energy X-ray diffraction and reverse Monte Carlo simulation. Atomic model details of Sb2Te3 thin film are compared with liquid and amorphous Sb2Te3 reported in other article. Simulations show that both Sb–Sb and Te–Te homopolar bonds are present in the models. In phase transition process, atomic configuration of the sample rearranges gradually through the forming of Sb–Te bonds and the breaking of Sb–Sb and Te–Te bonds.

Key words: Phase-change material, Reverse Monte Carlo, Atomic configuration

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