Electronic Band Structure and Superconductivity in Simple-Cubic Phosphorus
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概要
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The electronic band structure of simple-cubic phosphorus is calculated for 132kbar (a=2.369 A) and 304 kbar (a=2.29S A) on the basis of the self-consistent APWmethod. The electron-lattice interaction is studied within the rigid muffin-tin approx-imation, and the electron-phonon mass enhancement parameter 2 is estimated withuse of the calculated electron-lattice matrix elements and the phonon frequenciesevaluated from the observed bulk modulus. It is shown that simple-cubic phosphorusis a system in which the density of states at the Fermi level is small but the electron-lat-lice interaction is strong. In accordance with the McMillan-Alien-Dynes equation thesuperconducting transition temperature 7'.is evaluated to b<: a few K? IOK, whichagrees in order of magnitude with the observation.
- 社団法人日本物理学会の論文
- 1987-09-15
著者
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Suzuki Naoshi
Department Of Material Phsics Faculty Of Engineering Science Osaka University
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Motizuki Kazuko
Department Of Applied Physics Faculty Of Science Okayama University Of Science
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Aoki Masato
Department Of Material Physics Faculty Of Engineering Science Osaka University:department Of Physics
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Aoki Masato
Department Of Electrical And Electronic Engineering Gifu University
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