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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Emission Spectra of Group 13 Metal Atoms and Indium Hydrides in Solid H_2 and D_2
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Emission Spectra of Group 13 Metal Atoms and Indium Hydrides in Solid H_2 and D_2

机译:固体H_2和D_2中13族金属原子和铟氢化物的发射光谱

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摘要

Infrared spectra of solid hydrogen (deuterium) samples co-deposited at 3.5 K with laser-ablated Al, Ga, In, and Tl atoms reveal infrared absorptions for the MH [MD] molecules. Irradiation at 193 nm increases MH_2 and MH_3 [MD_2 and MD_3] absorptions and produces emission spectra for the metal atoms except for Al and phosphorescence spectra for the InH [InD] molecules. Unreacted metal emission bands are blue-shifted from the gas phase more by solid D_2 than by solid H_2. However, the emission yield for InD is much higher in solid D_2 than for InH in solid H_2, which suggests a higher nonradiative relaxation rate in solid H_2 than in solid D_2 owing to the larger zero-point motion.
机译:与激光烧蚀的Al,Ga,In和Tl原子共沉积在3.5 K的固体氢(氘)样品的红外光谱揭示了MH [MD]分子的红外吸收。在193 nm处进行辐照会增加MH_2和MH_3 [MD_2和MD_3]的吸收,并产生金属原子的发射光谱(Al除外)和InH [InD]分子的磷光光谱。固态D_2比固态H_2更能使未反应的金属发射带从气相蓝移。但是,固体D_2中InD的发射产率比固体H_2中InH的发射产率高得多,这表明由于较大的零点运动,固体H_2中的非辐射弛豫速率比固体D_2中的更高。

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