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首页> 外文期刊>Applied Surface Science >Local electrical properties of thermally grown oxide films formed on duplex stainless steel surfaces
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Local electrical properties of thermally grown oxide films formed on duplex stainless steel surfaces

机译：在双相不锈钢表面上形成的热生长氧化膜的局部电性能

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摘要

The local electrical properties of thermally grown oxide films formed on ferrite and austenite surfaces of duplex stainless steel at different temperatures were investigated by Current sensing atomic force microscopy, X-ray Photoelectron Spectroscopy (XPS) and Auger Electron Spectroscopy (AES). The current maps and XPS/AES analyses show that the oxide films covering austenite and ferrite surfaces formed at different temperatures exhibit different local electrical characteristics, thickness and composition. The dependence of electrical conductivity of oxide films covering austenite and ferrite surface on the formation temperature is attributed to the film thickness and semiconducting structures, which is intrinsically related to thermodynamics and kinetics process of film grown at different temperature. This is well elucidated by corresponding semiconductor band structures of oxide films formed on austenite and ferrite phases at different temperature. (C) 2018 Elsevier B.V. All rights reserved.
机译：通过电流传感原子力显微镜，X射线光电子能谱（XPS）和俄歇电子能谱（AES）研究了在不同温度下双相不锈钢的铁素体和奥氏体表面上形成的热生长氧化物膜的局部电学性质。电流图和XPS / AES分析表明，覆盖在不同温度下形成的奥氏体和铁素体表面的氧化膜具有不同的局部电特性，厚度和成分。覆盖奥氏体和铁素体表面的氧化膜的电导率对形成温度的依赖性归因于膜的厚度和半导体结构，这与在不同温度下生长的膜的热力学和动力学过程本质上相关。通过在不同温度下在奥氏体和铁素体相上形成的氧化膜的相应半导体能带结构可以很好地阐明这一点。 （C）2018 Elsevier B.V.保留所有权利。

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