High-Pressure Behavior of Nano-Pt in Hydrogen Environment
Can Tian, Xiao-li Huang** , Yan-ping Huang, Xin Li, Di Zhou, Xin Wang, Tian Cui
State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130012
Abstract ：We choose nano-Pt in hydrogen environment to explore the size effect on the formation of metal hydrides. At 30 GPa, a phase transition in the metal lattice from the cubic to hexagonal phase is observed characterized by a drastically increased volume per metal atom, indicating the formation of PtH-$P6_{3}/mmc$. We find that nano-Pt could form PtH at a lower pressure than the bulk Pt due to its high specific surface and structure defects. The present work provides the possible route to new metal hydrides under mild conditions.
收稿日期: 2019-05-27
出版日期: 2019-09-21
:
61.05.C-
(X-ray diffraction and scattering)
61.50.Ks
(Crystallographic aspects of phase transformations; pressure effects)
71.55.Ak
(Metals, semimetals, and alloys)
引用本文:
. [J]. 中国物理快报, 2019, 36(10): 106101-.
链接本文:
https://cpl.iphy.ac.cn/CN/10.1088/0256-307X/36/10/106101
或
https://cpl.iphy.ac.cn/CN/Y2019/V36/I10/106101
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2019, Vol. 36 
