Phase Change Mechanism of Ti–Sb–Te Alloy

Part of the Springer Theses book series (Springer Theses)


This chapter goes into the physics behind Ti0.43Sb2Te3-based PCM in more depth to explain the high performances. Through Cs-corrected TEM, Ti atoms in Ti0.43Sb2Te3 alloy are observed evidently to substitute part of Sb atoms in the quintuple atomic layers (…Te-Sb (Ti)-Te-Sb-Te…), forming six bonds with adjacent Te atoms. These Ti-centered octahedral local structures are just slightly distorted after amorphization, which may be responsible for the significantly improved performances.


Twin Boundary Copper Transmission Electron Microscopy HAADF Image Bond Angle Distribution Carbon Coated Copper Transmission Electron Microscopy Grid 
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Copyright information

© Springer Nature Singapore Pte Ltd. 2017

Authors and Affiliations

  1. 1.Shanghai Institute of Microsystem and Information TechnologyChinese Academy of SciencesShanghaiChina

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