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Nanoscale phase change memory materials
Nanoscale, 2012Phase change memory materials store information through their reversible transitions between crystalline and amorphous states. For typical metal chalcogenide compounds, their phase transition properties directly impact critical memory characteristics and the manipulation of these is a major focus in the field. Here, we discuss recent work that explores
Marissa A, Caldwell +3 more
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Ion Irradiation on Phase Change Materials
MRS Proceedings, 2011ABSTRACTIon irradiation with 130 keV Ge+ or 120 keV Sb+ has modified, by thermal spike effect, the local atomic arrangement in the structure of as-deposited sputtered amorphous GeTe and Ge2Sb2Te5 thin films. The changes in the local order have been analyzed by Raman and EXAFS spectroscopy.
E Rimini +9 more
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Atomic migration in phase change materials
2013 IEEE International Electron Devices Meeting, 2013During normal operation of Phase Change Memory (PCM) cells active materials undergo very high electrical and thermal stresses that cause a motion of the different atoms leading to composition variation which has a fundamental impact on performance and reliability.
G. Novielli +4 more
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Phase Transitions in 2D Materials
Nature Reviews Materials, 2021Wenbin Li, Ju Li, Xiaofeng Qian
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Unconventional-Phase Crystalline Materials Constructed From Multiscale Building Blocks
Chemical Reviews, 2021ZHANG Hua, Wenxin Niu, Chaoliang Tan
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