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Surfaec and nanosolid core level shift
Sun Changqing * #
Nanyang Technological University
*Correspondence author
#Submitted by
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Funding: none
Opened online:11 July 2005
Accepted by: none
Citation: Sun Changqing.Surfaec and nanosolid core level shift[OL]. [11 July 2005] http://en.paper.edu.cn/en_releasepaper/content/2414
 
 
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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