Compositional dependence of the optical properties and the H local bonding in a-Si1-xGex:H(x<0.4) thin films

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作者
Dimova-Malinovska, D. [1 ]
Nedialkova, L. [1 ]
Kudoyarova, V. [1 ]
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[1] Bulgarian Acad of Science, Sofia, Bulgaria
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Amorphous materials - Hydrogenation - Optical properties - Sputter deposition - Thin films;
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摘要
A study on hydrogenated amorphous silicon-germanium alloys is presented. Amorphous thin films are prepared by RF magnetron cosputtering. The dependence of the optical properties and parameters and the local hydrogen bonding to the composition of a-Si1-xGex:H films (x<0.4) has been investigated. It is very important to take into account the variation of hydrogen concentration when the influence of Ge content on optical properties and parameters is considered.
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页码:27 / 35
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