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High Pressure Research
An International Journal
Volume 35, 2015 - Issue 1
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Proceedings of the LIIth European High Pressure Research Group (EHPRG 52) Meeting in Lyon (France), 7-12 September 2014

Heating of Li in hydrogen: possible synthesis of LiHxFootnote

K. KunoDepartment of Material Science and Technology, Graduate School of Engineering, Gifu University, Gifu, JapanView further author information
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T. MatsuokaDepartment of Material Science and Technology, Graduate School of Engineering, Gifu University, Gifu, Japan;KYOKUGEN, Center for Science and Technology under Extreme Conditions, Osaka University, Osaka, JapanCorrespondence[email protected]
View further author information
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T. NakagawaDepartment of Material Science and Technology, Graduate School of Engineering, Gifu University, Gifu, JapanView further author information
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N. HiraoJapan Synchrotron Radiation Institute (JASRI)/SPring-8, Hyogo, JapanView further author information
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Y. OhishiJapan Synchrotron Radiation Institute (JASRI)/SPring-8, Hyogo, JapanView further author information
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K. ShimizuKYOKUGEN, Center for Science and Technology under Extreme Conditions, Osaka University, Osaka, JapanView further author information
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K. TakahamaKYOKUGEN, Center for Science and Technology under Extreme Conditions, Osaka University, Osaka, JapanView further author information
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K. OhtaKYOKUGEN, Center for Science and Technology under Extreme Conditions, Osaka University, Osaka, JapanView further author information
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M. SakataKYOKUGEN, Center for Science and Technology under Extreme Conditions, Osaka University, Osaka, JapanView further author information
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Y. NakamotoKYOKUGEN, Center for Science and Technology under Extreme Conditions, Osaka University, Osaka, JapanView further author information
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T. KumeDepartment of Material Science and Technology, Graduate School of Engineering, Gifu University, Gifu, JapanView further author information
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S. SasakiDepartment of Material Science and Technology, Graduate School of Engineering, Gifu University, Gifu, JapanView further author information
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Pages 16-21 | Received 06 Sep 2014, Accepted 15 Dec 2014, Published online: 20 Jan 2015
 
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Abstract

We report the first laser heating experiments on Li in hydrogen at high pressures. X-ray diffraction and Raman scattering measurements suggest the possible formation of polyhydride (temporary named LiH-II) that is considered to contain H molecules in its crystal lattice. LiH-II was found to be a transparent insulator at pressures below 62 GPa.

Acknowledgments

Authors thank for the provided beam-time for XRD measurements at BL10XU/SPring-8 (Proposal No.s 2011A1278, 2012A0038, 2012B0038, 2013B1109, 2014A1320, 2014B1332).

Disclosure statement

No potential conflict of interest was reported by the author(s).

Notes

† This paper was presented at the LIIth European High Pressure Research Group (EHPRG 52) Meeting in Lyon (France), 7–12 September 2014.

Additional information

Funding

This study was supported by JSPS KAKENHI Grant Number 25800195, NEXT Program (GR068), The Sumitomo Foundation Grant for Japan-related Research Projects (131269), OGAWA Science and Technology Foundation, KOSHIYAMA-zaidan Foundation for Science and Technology.

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