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    Title: Magnetism and mechanical stability of α-iron
    Authors: Hsueh, H. C.;Crain, J.;Guo, G. Y.;Chen, H. Y.;Lee, C. C.;Chang, K. P.;Shih, H. L.
    Contributors: 淡江大學物理學系
    Date: 2002-08
    Issue Date: 2013-07-09 15:18:48 (UTC+8)
    Publisher: College Park: American Physical Society
    Abstract: Ab initio electronic structure calculations employing the fixed-spin moment procedure and the generalized gradient correction are used to explore the mechanical stability of α-iron and related magnetic materials, including body-centered-cubic cobalt and ziconium. The mechanical stability is found to depend sensitively on the magnetization. At relatively low values of the magnetization, specific vibrational and elastic instabilities are identified and are interpreted in terms of the behavior of the electronic density of states at the Fermi level. These results also raise the possibility of influencing the stability of bulk magnetic phases by external fields.
    Relation: Physical Review B (Condensed Matter and Materials Physics) 66(5), 52420(4pages)
    DOI: 10.1103/PhysRevB.66.052420
    Appears in Collections:[物理學系暨研究所] 期刊論文

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