Surfaec and nanosolid core level shift
首发时间:2005-07-11
Abstract:Identifying the origin for core-level binding-energy shift induced by surface relaxation or nanosolid formation, and quantifying the crystal binding energy in a bulk solid has been a high challenge. Here we show that a recent bond order-length-strength (BOLS) correlation mechanism allows us to unify the effects of surface relaxation and nanosolid formation on the core-level binding-energy shift into the atomic coordination number (CN) imperfection. A new and simple method has been developed that enables us to elucidate the intra-atomic trapping energy (the core-level position of an isolated atom) and the crystal binding strength (core-level bulk shift) to the core electrons at the energy levels of Si and a number of metals by matching the predictions to the measurements.
keywords: XPS, Core level, surface, nanostructures
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原子配位缺欠所致表面和纳米固体深层能级迁移
摘要:Identifying the origin for core-level binding-energy shift induced by surface relaxation or nanosolid formation, and quantifying the crystal binding energy in a bulk solid has been a high challenge. Here we show that a recent bond order-length-strength (BOLS) correlation mechanism allows us to unify the effects of surface relaxation and nanosolid formation on the core-level binding-energy shift into the atomic coordination number (CN) imperfection. A new and simple method has been developed that enables us to elucidate the intra-atomic trapping energy (the core-level position of an isolated atom) and the crystal binding strength (core-level bulk shift) to the core electrons at the energy levels of Si and a number of metals by matching the predictions to the measurements.
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No.2414213761121046****
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