Magnetism of alloyed models of Cr(Mn) V and Mn Cr overlayers on V (001) substrates |
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| Authors: | B.A. Hamad T. Khajil J.M. Khalifeh |
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| Affiliation: | (1) Department of Physics, University of Applied Science (Private), Amman 11931, Jordan, JO;(2) Department of Physics, University of Jordan, Amman-11942, Jordan, JO |
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| Abstract: | The magnetism is calculated for substitutional alloyed of Crx(Mnx)V1-x monolayers (MLs) and CrxMn1-x on V (001) surface with a variety of concentrations (x = 0.25, 0.50 and 0.75). The substitutional surface alloys were treated by an artificial super cell construction. Parallel magnetic ordering is obtained for all the considered structures. The surface net magnetization increases in terms of Cr (Mn) concentration in Crx(Mnx)V1-x/V (001) system, while no serious variations occur in CrxMn1-x/V (001). Vanadium atoms at the interfacial layers acquire appreciable magnetic moments antiferromagneticlly (AF) coupled with the surface moments. Received 25 February 2002 / Received in final form 13 May 2002 Published online 14 October 2002 RID="a" ID="a"e-mail: jkalifa@sci.ju.edu.jo |
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| Keywords: | PACS. 75.70.Ak Magnetic properties of monolayers and thin films |
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