Internal Field and Isomer Shift of Metallic Iron And Nickel
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概要
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Internal field of ferromagnetic iron is evaluated on the basis of the self-consistent and spin-dependent band structure, which was calculated by the authors. The number of the 4s electrons, (that is, the s component of the s-, p- and d- hybridized conduction bands), and the number of unpaired 4s electrons are determined by the band wave-functions. The wave functions of the core electrons are spin-dependent because of the polarization of the conduction electrons. They are determined by the variational method in the frame of the unrestricted Hartree-Fock scheme. The calculated value of the Fermi contact term X of iron is -4.415, while the observed value is -3.6. The agreement between theory and experiment is reasonable. A similar calculation of the Fermi contact term of nickel gives the value -5.8, while the observed value is -6.75. The isomer shift of Fe^<57> is also calculated.
- 社団法人日本物理学会の論文
- 1968-12-05
著者
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Wakoh Shinya
Institute For Solid State Physics The University Of Tokyo
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Yamashita Jiro
Institute For Solid State Physics The University Of Tokyo
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