Metallization of Hydrogen under Static High Pressure and  the Inelastic X-ray Scattering Technique

LI Bing; DING Yang; WANG Lin; WENG Zuqian; YANG Wenge; JI Cheng; YANG Ke; MAO Ho-kwang

doi:10.11858/gywlxb.20210864

Volume 35 Issue 5

Sep 2021

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Chinese Journal of High Pressure Physics > 2021 > 35(5): 050101.

LI Bing, DING Yang, WANG Lin, WENG Zuqian, YANG Wenge, JI Cheng, YANG Ke, MAO Ho-kwang. Metallization of Hydrogen under Static High Pressure and the Inelastic X-ray Scattering Technique[J]. Chinese Journal of High Pressure Physics, 2021, 35(5): 050101. doi: 10.11858/gywlxb.20210864

Citation:

LI Bing, DING Yang, WANG Lin, WENG Zuqian, YANG Wenge, JI Cheng, YANG Ke, MAO Ho-kwang. Metallization of Hydrogen under Static High Pressure and the Inelastic X-ray Scattering Technique[J]. Chinese Journal of High Pressure Physics, 2021, 35(5): 050101. doi: 10.11858/gywlxb.20210864

Citation:

LI Bing, DING Yang, WANG Lin, WENG Zuqian, YANG Wenge, JI Cheng, YANG Ke, MAO Ho-kwang. Metallization of Hydrogen under Static High Pressure and the Inelastic X-ray Scattering Technique[J]. Chinese Journal of High Pressure Physics, 2021, 35(5): 050101. doi: 10.11858/gywlxb.20210864

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Metallization of Hydrogen under Static High Pressure and the Inelastic X-ray Scattering Technique

doi: 10.11858/gywlxb.20210864

LI Bing^1
,,
DING Yang¹,
WANG Lin^{1, 2},
WENG Zuqian^{1, 3},
YANG Wenge¹,
JI Cheng¹,
YANG Ke⁴,
MAO Ho-kwang^{1,*
,
,}

1.
Center for High Pressure Science and Technology Advanced Research, Beijing 100094, China
2.
Center for High Pressure Science, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, Hebei, China
3.
School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China.
4.
Shanghai Synchrotron Radiation Facility (SSRF), Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, China

Received Date: 11 Aug 2021
Rev Recd Date: 06 Sep 2021

Abstract

Abstract

The research on hydrogen under high pressure has always been a hot topic both in experimental and theoretical physics, the enthusiasm is rooted from the pursuit of its pressure-induced metallic state – metallic hydrogen. The pressure induced metallization of hydrogen is an electric phase transition from a wide gap insulator to a small gap semiconductor, and finally to a closed gap metal. However, due to the limitation of high pressure experiment conditions, the bandgap and electronic structure of the wide-gap hydrogen has never been directly observed. In this paper we will discuss the technical challenge and the development of experiment research on hydrogen metallization, meanwhile we will present our experiment results and the technical advance on the direct measurement of the wide-gap hydrogen by using inelastic X-ray scattering technique, and finally the outlook.
- hydrogen,
- ultra-high pressure,
- inelastic X-ray scattering

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References(60)

References

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Metallization of Hydrogen under Static High Pressure and the Inelastic X-ray Scattering Technique

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