Atomic Mechanism of Predictable Phase Transition in Dual-Phase H_2Ti_3O_7/TiO_2 (B) Nanofiber: An In Situ Heating TEM Investigation

Yimin Lei; Jie Sun; Hongwei Liu; Xuan Cheng; Fuyi Chen; Zongwen Liu

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Atomic Mechanism of Predictable Phase Transition in Dual-Phase H_2Ti_3O_7/TiO_2 (B) Nanofiber: An In Situ Heating TEM Investigation

机译：双相H_2Ti_3O_7 / TiO_2（B）纳米纤维中可预测相变的原子机理：原位加热TEM研究

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The phase transition from H_2Ti_3O_7 to TiO_2 (B) in a 1D single nanocrystal of H_2Ti_3O_7 was observed by in situ heating in a transmission electron microscope experimentally. The results indicate a typical monoclinic-to-monoclinic crystallographic orientation relationship between the two phases. Moreover, the fundamental building blocks and invariant deformation element model were both adopted to reveal the atomic mechanism and predict the crystallographic orientation relationship quantitatively for the phase transition. The prediction was precisely consistent with TEM results.

机译：通过在透射电子显微镜中原位加热，观察到H_2Ti_3O_7的一维单纳米晶体中从H_2Ti_3O_7到TiO_2（B）的相变。结果表明两相之间典型的单斜晶对单斜晶学取向关系。此外，采用基本的构造单元和不变变形元模型来揭示原子机理并定量预测相变的晶体取向关系。该预测与TEM结果完全一致。

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来源
《Chemistry: A European journal》 |2014年第36期|共5页
作者
Yimin Lei; Jie Sun; Hongwei Liu; Xuan Cheng; Fuyi Chen; Zongwen Liu;
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正文语种 eng
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crystallography; phase transformations; nanocrystals; titanium dioxide; transmission electron microscopy;

机译：晶体学;相变;纳米晶体;二氧化钛;透射电镜;

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1. Atomic Mechanism of Predictable Phase Transition in Dual-Phase H_2Ti_3O_7/TiO_2 (B) Nanofiber: An In Situ Heating TEM Investigation [J] . Yimin Lei, Jie Sun, Hongwei Liu, Chemistry: A European journal . 2014,第36期

机译：双相H_2Ti_3O_7 / TiO_2（B）纳米纤维中可预测相变的原子机理：原位加热TEM研究
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Atomic Mechanism of Predictable Phase Transition in Dual-Phase H_2Ti_3O_7/TiO_2 (B) Nanofiber: An In Situ Heating TEM Investigation

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