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liujodan(½ð±Ò+5): 2011-04-18 19:44:54
zhangwengui330(C-EPI+1): ллÈÈÇéÓ¦Öú£¡ 2011-04-18 19:48:05
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Compared to the spectrum of the clean surface (Fig. la), the introduction of the N2O gas produced a pair of new absorption bands at 2237 cm-1 (strong) and 1255 cm-1 (weak). These are readily identified as arising from the antisymmetric (as) and symmetric (s) bond-stretching modes of intact N2O molecules. In
the gas phase the corresponding absorptions occur at 2224 and 1285 cm-1, respectively [21, 22].

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