Electron momentum density distribution in iridium by Compton scattering technique |
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| Authors: | K B Joshi R K Pandya B L Ahuja B K Sharma |
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| Institution: | (1) Department of Physics, University of Rajasthan, 302 004 Jaipur, India;(2) Department of Physics, L.B.S. (P.G.) College, 302 004 Jaipur, India;(3) Department of Physics, M.R. Engineering College, 302 017 Jaipur, India |
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| Abstract: | The isotropic Compton profile of iridium, measured using 59.54 keVγ-rays, is reported in this paper. The results are compared with the theoretical Compton profiles from APW method with and
without incorporating electron correlation effects. It is seen that correlation effects improve the agreement between the
experiment and theory. Comparison with the renormalized-free-atom (RFA) model calculations has also been made. Behaviour ofd-band electrons in Ir and some other 5d transition metals is discussed in terms of broadening in their Compton profiles. |
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| Keywords: | APW band structure calculation Compton profiles electron momentum density electron-electron correlation effects iridium |
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