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Synthesis and stability of hydrogen iodide at high pressures
Binns, Jack1; Liu, Xiao-Di2; Dalladay-Simpson, Philip1; Afonina, Veronika3,4; Gregoryanz, Eugene1,2,3,4; Howie, Ross T.1
2017-10-11
Source PublicationPHYSICAL REVIEW B
Volume96Issue:14Pages:1-5
AbstractThrough high-pressure Raman spectroscopy and x-ray diffraction experiments, we have investigated the formation, stability field, and structure of hydrogen iodide (HI). Hydrogen iodide is synthesized by the reaction of molecular hydrogen and iodine at room temperature and at a pressure of 0.2 GPa. Upon compression, HI solidifies into cubic phase I, and we present evidence for the emergence of a phase I' above 3.8 GPa. Across the wide temperature regime presented here, HI is unstable under compression (11 GPa at 300 K, 18 GPa at 77 K), decomposing into its constituent elements, after which no further reaction between hydrogen and iodine was observed up to pressures of 60 GPa. This study provides both the constraints on the phase diagram of HI and its kinetic stability.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
Funding OrganizationNSF of China(11404343) ; Natural Science Foundation of Anhui Province, China(1508085QA07) ; NSF of China(11404343) ; Natural Science Foundation of Anhui Province, China(1508085QA07)
DOI10.1103/PhysRevB.96.144105
WOS KeywordX-RAY-DIFFRACTION ; EQUATION-OF-STATE ; METALLIC MODIFICATION ; DEUTERIUM IODIDE ; DENSE HYDROGEN ; PHASE ; BROMIDE ; RAMAN ; TRANSITIONS ; SPECTRA
Indexed BySCI
Language英语
Funding OrganizationNSF of China(11404343) ; Natural Science Foundation of Anhui Province, China(1508085QA07) ; NSF of China(11404343) ; Natural Science Foundation of Anhui Province, China(1508085QA07)
WOS Research AreaPhysics
WOS SubjectPhysics, Condensed Matter
WOS IDWOS:000412747000002
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.hfcas.ac.cn:8080/handle/334002/33786
Collection中科院固体物理研究所
Affiliation1.Ctr High Pressure Sci Technol Adv Res, Shanghai, Peoples R China
2.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei, Anhui, Peoples R China
3.Univ Edinburgh, Ctr Sci Extreme Condit, Edinburgh EH9 3JZ, Midlothian, Scotland
4.Univ Edinburgh, Sch Phys & Astron, Edinburgh EH9 3JZ, Midlothian, Scotland
Recommended Citation
GB/T 7714
Binns, Jack,Liu, Xiao-Di,Dalladay-Simpson, Philip,et al. Synthesis and stability of hydrogen iodide at high pressures[J]. PHYSICAL REVIEW B,2017,96(14):1-5.
APA Binns, Jack,Liu, Xiao-Di,Dalladay-Simpson, Philip,Afonina, Veronika,Gregoryanz, Eugene,&Howie, Ross T..(2017).Synthesis and stability of hydrogen iodide at high pressures.PHYSICAL REVIEW B,96(14),1-5.
MLA Binns, Jack,et al."Synthesis and stability of hydrogen iodide at high pressures".PHYSICAL REVIEW B 96.14(2017):1-5.
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