The Fermi Surfaces of Cu-Pd Alloys Studied by Positron Annihilation
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概要
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The Fernti surfaces of Cu-?Pd alloys below 63 '% Pd are sttudied by means of theangular correlation of positro?t annihilation with crossed- ancl long-slit geontetriesThe<001>- and (JIG)-radii decrease with increasing palladium content up to30 '% in agreement with a calculation based on the rigid band model. The ( 1 1 1 )neck radius also decreases with increasing composition, and it is suggested thatthe Fermi surface detaches from. the hexagonal face of the Brillouin zone around20 % Pd, but remains to bulge in this direction at Itigher compositions. No detect-able change is found in the correlation curves of the ordered and disorderedstates at 15 and 19% Pd, The origin of stabilization of the long period orderedstructure near Cu,Pd is discussed in the light of the present z-esults.
- 社団法人日本物理学会の論文
- 1977-07-15
著者
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Suzuki Toshiharu
The Research Institute For Iron Steel And Other Metals Tohoku University:department Of Physics Nara
-
Hasegawa Masayuki
The Oarai Branch The Research Institute For Iron Steel And Other Metals Tohoku University
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Suzuki Toshiharu
The Research Institute For Iron Steel And Other Metals Tohoku University:department Of Physics Nara
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Hirabayashi Makoto
The Research Institute For Iron Steel And Other Metals
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