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首页> 外文期刊>Materials Chemistry and Physics >Microstructure Related Transport Phenomena In Chemically Deposited Pbse Films
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Microstructure Related Transport Phenomena In Chemically Deposited Pbse Films

机译:化学沉积铅薄膜中与微结构相关的传输现象

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摘要

We report on the electrical properties of chemically deposited PbSe films with controlled microstructure ranging from nanocrystalline to single crystal films. Control over the deposition mechanism consequently allowed control over the physical properties of the obtained films. The electrical conductivity, carrier concentration, drift mobility and carrier scattering mechanism were correlated with the film morphology. In polycrystalline PbSe films, the activation energy of the electrical conductivity is governed by the nature of the grain boundaries. In monocrystalline PbSe films, conductivity vs. temperature depends on carrier scattering from lattice vibrations.
机译:我们报告了化学沉积的PbSe薄膜的电学性质,该薄膜具有从纳米晶到单晶薄膜的受控微结构。因此,通过控制沉积机理,可以控制所获得的膜的物理性质。电导率,载流子浓度,漂移迁移率和载流子散射机理与薄膜的形态有关。在多晶PbSe薄膜中,电导率的活化能受晶界性质的控制。在单晶PbSe薄膜中,电导率与温度的关系取决于晶格振动引起的载流子散射。

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