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Title :Anomalous x-ray scattering studies of functional disordered materials
Authors :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
Issue Date :2014
Citation jtitle :Journal of Physics : Conference Series
vol. :502
no. :1
start page :012014-1
end page :012014-6
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
Type Local :雑誌掲載論文
ISSN :17426588
Publisher :Institute of Physics
Rights :© 2014 IOP Publishing Ltd.
Comment :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
Appears in Collections:Journal Article (Sciende)
Please use this identifier to cite or link to this item: http://hdl.handle.net/2298/30723