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タイトル :Anomalous x-ray scattering studies of functional disordered materials
著者 :Kohara, Shinji
Tajiri, Hiroo
Song, Changyong
Ohara, Koji
Temleitner, László
Sugimoto, Kunihisa
Fujiwara, Akihiko
Pusztai, László
Usuki, Takeshi
Hosokawa, Shinya
Benino, Yasuhiko
Kitamura, Naoyuki
Fukumi, Kohei
刊行年月日 :2014
収録雑誌名 :Journal of Physics : Conference Series
巻 :502
号 :1
開始ページ :012014-1
終了ページ :012014-6
要約(Abstract) :We have developed anomalous x-ray scattering (AXS) spectrometers, that employ intrinsic Ge detectors and crystal analyzers, at SPring-8. The use of LiF analyzer crystal provides us with an energy resolution of ~ 12 eV. Furthermore, it has been established that the use of AXS technique is essential to reveal the relationship between the atomic structure and its function of a fast phase-change material, Ge2Sb2Te5. We were able to address the issue of why the amorphous phase of fast phase change materials is stable at room temperature for a long time despite the fact that it can rapidly transform to the crystalline phase by using a combination of AXS and large scale density functional theory-based molecular dynamics simulations.
URL :http://iopscience.iop.org/1742-6596/502/1/012014
収録種別 :雑誌掲載論文
ISSN :17426588
出版社(者) :Institute of Physics
権利(Rights) :© 2014 IOP Publishing Ltd.
備考 :1st Conference on Light and Particle Beams in Materials Science 2013 (LPBMS2013) 29–31 August 2013, Tsukuba, Japan
URI :http://hdl.handle.net/2298/30723
出現コレクション:発表論文(理学系)
このアイテムの引用には次の識別子を使用してください: http://hdl.handle.net/2298/30723

 

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