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X-ray photoemission study of polycrystalline Mg(1-x)Al(x)B(2) | Fa-Min Liu
; C. Dong
; J. Q. Li
; T. M. Wang
; | Date: |
1 Feb 2002 | Subject: | Superconductivity; Materials Science | cond-mat.supr-con cond-mat.mtrl-sci | Abstract: | Polycrystalline Mg(1-x)Al(x)B(2) (x = 0, 0.1, 0.4, 0.5, 0.6, 1) samples have been prepared by a conventional solid state reaction. The Mg 2p, Al 2p and B 1s core level binding energies have been studied using X-ray photoemission spectroscopy (XPS). It is found that Mg 2p, Al 2p and B 1s core level binding energies increase with the Al content in Mg(1-x)Al(x)B(2) when x = 0.5, and the maxima in the binding energies of Mg 2p and Al 2p are observed in sample Mg(0.5)Al(0.5)B(2). In contrast to the Mg 2p and Al 2p core levels, the B 1s binding energy shows a minimum when x = 0.5. | Source: | arXiv, cond-mat/0202007 | Services: | Forum | Review | PDF | Favorites |
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