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Systematic investigation of CO2?:?NH3 ice mixtures using mid-IR and VUV spectroscopy – part 1: thermal processing

机译:S2的系统研究?:α:αNH3使用中IR和VUV光谱的冰混合物 - 第1部分:热处理

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The adjustment of experimental parameters in interstellar ice analogues can have profound effects on molecular synthesis within an ice system. We demonstrated this by systematically investigating the stoichiometric mixing ratios of CO _(2) ?:?NH _(3) ices as a function of thermal processing using mid-IR and VUV spectroscopy. We observed that the type of CO _(2) bonding environment was dependent on the different stoichiometric mixing ratios and that this pre-determined the NH _(3) crystallite structure after phase change. The thermal reactivity of the ices was linked to the different chemical and physical properties of the stoichiometric ratios. Our results provide new details into the chemical and physical properties of the different stoichiometric CO _(2) ?:?NH _(3) ices enhancing our understanding of the thermally induced molecular synthesis within this ice system.
机译:在星际冰上类似物中的实验参数的调节可以对冰系统内的分子合成产生深远的影响。我们通过系统地研究CO _(2)的化学计量比例的化学计量混合比来证明了这一点:Δnh_(3)icines作为使用中IR和Vuv光谱的热处理的函数。我们观察到CO _(2)粘合环境的类型依赖于不同的化学计量混合比,并且在相变后预定预定确定NH _(3)微晶结构。谢的热反应性与化学计量比的不同化学和物理性质相关联。我们的结果为不同化学计量CO _(2)的化学和物理性质提供了新细节?:?NH _(3)ice,提高了我们对该冰系统内热诱导的分子合成的理解。

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