First principles theory of Fermi-surface driven concentration waves in Cu/sub c/Pd/sub 1-c/ alloys
Conference
·
OSTI ID:6217007
The first-principles methods are based on the use of the Korringa-Kohn-Rostoker coherent-potential approximation (KKR-CPA). A mean-field theory of ordering in alloys has been developed that is based on the KKR-CPA method for treating the underlying electronic structure. Contour maps are presented for the short-range order diffuse scattering from Cu/sub c/Pd/sub 1-c/ alloys. The expression for ..cap alpha..(K) is dominated by a contribution from the Fermi energy. The concentration waves are Fermi-surface driven. (DLC)
- Research Organization:
- Oak Ridge National Lab., TN (USA); Bristol Univ. (UK). H.H. Wills Physics Lab.
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 6217007
- Report Number(s):
- CONF-841157-43; ON: DE85005367
- Country of Publication:
- United States
- Language:
- English
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