首页> 外文会议>5th International Symposium on the Industrial Applications of the Moessbauer Effect Aug 13-18, 2000 Virginia Beach, Virginia >~(119)Sn Moessbauer Study of as-Deposited Layers Prepared by Co-evaporation of TeO_2 and Sn
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~(119)Sn Moessbauer Study of as-Deposited Layers Prepared by Co-evaporation of TeO_2 and Sn

机译:〜(119)Sn Moessbauer研究TeO_2和Sn共蒸发制备的沉积层

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The deposited layers on glass surface with thickness between 230 and 500 nm were prepared by the chemical reactions of TeO_2 and Sn during vacuum co-deposition, and were characterized as a function of the Sn/Te ratio between 0.5 and 2.8 by ~(119)Sn conversion electron Moessbauer spectroscopy. The as-deposited samples showed amorphous character with very finely dispersed microstructure. The ~(119)Sn Moessbauer spectra of as-deposited samples revealed the dominance of Sn(Ⅱ) and Sn(Ⅳ) states although SnTe was also found when the Sn/Te ratio was high. A monotonous increase of the Sn(Ⅱ)/Sn(Ⅳ) ratio was observed with increasing Sn/Te ratio.
机译:通过在真空共沉积过程中TeO_2和Sn的化学反应在玻璃表面上沉积厚度为230至500 nm的沉积层,并通过〜(119)将其表征为0.5 / 2.8之间的Sn / Te比的函数。 Sn转换电子Moessbauer光谱。沉积后的样品显示出非晶态特征,其微观结构非常分散。沉积样品的〜(119)Sn Moessbauer光谱显示了Sn(Ⅱ)和Sn(Ⅳ)态的优势,尽管当Sn / Te比很高时也发现了SnTe。随着Sn / Te比值的增加,Sn(Ⅱ)/ Sn(Ⅳ)比值出现单调增加。

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