ressure-inducedhydrogen-dominantmetallicstate…：壓力誘導(dǎo)氫占主導(dǎo)地位的金屬狀態(tài)…(已修改)
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【正文】 PressureInduced Hydrogendominant metallic state in Aluminum Hydride HAGIHARA Toshiya Shimizugroup Igor Goncharenko et al., Phy. Rev. Lett. 100, 045504 (2022) Contents Introduction theoretical prediction of hydrogen under high pressure why hydrides previous studies on AlH3 Experimental method Result amp。 discussion Summary Hydrogen Interesting physical properties Metallic conductivity Hightemperature superconductivity Tc ~ room temperature Molecular hydrogen Hydrogen dense state experimentally difficult. Theoretical prediction More than 400~500 GPa is required. under high pressure hydrides Interstitial hydrides Covalent hydrides M: rare earth metal M: Al, Si…. The MH bonding is covalent. Insulator at ambient pressure
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