预辐照Ar固体中“热”准分子的光激励脱附
Optically-stimulated desorption of 'hot' excimers from pre-irradiated Ar solids
摘要：
电子诱导解吸从固体Ar预照射的低能量电子束进行了研究，通过激活光谱方法-光子激发的外逸电子发射和光子激发的发光结合光谱分辨测量在真空紫外范围内的光谱。首次观察到振动激发态氩分子Ar 2 ^*（v）从预辐照固体Ar表面的脱附。结果表明，“热”Ar 2 ^*（v）分子的脱附是由自陷空穴与由可见光范围光子从陷阱释放的电子的复合引起的。证明了这种现象的光刺激的可能性。
英文摘要：
Electronically-induced desorption from solid Ar pre-irradiated by a low-energy electron beam was investigated by activation spectroscopy methods - photon-stimulated exoelectron emission and photon-stimulated luminescence in combination with spectrally-resolved measurements in the VUV range of the spectrum. Desorption of vibrationally excited argon molecules Ar2^*(v) from the surface of pre-irradiated solid Ar was observed for the first time. It was shown that desorption of 'hot' Ar2^*(v) molecules is caused by recombination of self-trapped holes with electrons released from traps by visible range photons. The possibility of optical stimulation of the phenomenon is evidenced.
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