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The 2p3/2 binding energy shift of Fe surface and Fe nanoparticles
Wang Yan 1,Wang Lingling 1,Sun Changqing 2 *
1.Hunan University
2.School of Electrical & Electronic Engineering, Nanyang Technological University
*Correspondence author
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Funding: none
Opened online: 6 July 2009
Accepted by: none
Citation: Wang Yan,Wang Lingling,Sun Changqing.The 2p3/2 binding energy shift of Fe surface and Fe nanoparticles[OL]. [ 6 July 2009] http://en.paper.edu.cn/en_releasepaper/content/33668
 
 
Analysis of the 2p3/2 core-level shift of Fe surface and nanoparticles based on the bond order-length-strength (BOLS) correlation [Sun CQ, Prog Solid State Chem 35, 1 (2007)] has turned out that the Fe 2p3/2 energy shifts positively by 2.17 eV from the atomic value of 704.52 eV to the bulk of 706.69 eV and that a further 0.32 and 0.16 eV shift occurs, respectively, to the top and the second atomic layers. Consistency between theory and experiments clarifies the dominance of the broken-bond-induced local strain and quantum trapping in perturbing the Hamiltonian and hence the observed Fe 2p3/2 energy shifts.
Keywords:XPS;Surface core level shift;nanostructure
 
 
 

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