Influence of Microstructure on Short-Range and Long-Range Diffusion Processes of Hydrogen in Transition-Metal Alloys*

1994 ◽  
Vol 183 (Part_1_2) ◽  
pp. 13-21 ◽  
Author(s):  
J. Mössinger ◽  
M. Hirscher
Keyword(s):  
Transition Metal ◽  
Long Range ◽  
Short Range ◽  
Diffusion Processes ◽  
Metal Alloys ◽  
Transition Metal Alloys

Electronic Structure, Multiatom Interactions, Stability of Ordered Structures and Short Range Order in Binary Transition Metal Alloys

1982 ◽  
Vol 21 ◽  
Author(s):  
A. Bieber ◽  
F. GAUTIER
Keyword(s):  
Electronic Structure ◽  
Transition Metal ◽  
Short Range ◽  
Short Range Order ◽  
Range Order ◽  
Metal Alloys ◽  
Ordered Structures ◽  
Transition Metal Alloys ◽  
The Stability ◽  
Pair Interactions

ABSTRACTMlultiatom interactions required in the statistical models used for the study of both the stability of ordered structures in the ground state and the chemical short range order, have been computed from the electronic structure for transition metal alloys. It is shown that : i) the most important interactions coming from “d” bands are those corresponding to self-retraced paths, the contributions of compact clusters being negligible ; ii) in general the results obtained using only second order pair interactions are valid provided that the concentration dependence of the pair interactions is taken into account. However in a few peculiar cases these results may be qualitatively modified.

INFLUENCE OF LOCAL ENVIRONMENT ON THE MAGNETIC MOMENT IN THE TRANSITION METAL ALLOYS

1993 ◽  
Vol 07 (01n03) ◽  
pp. 958-960
Author(s):  
A. JEZIERSKI
Keyword(s):  
Transition Metal ◽  
Density Of States ◽  
Magnetic Moment ◽  
Short Range ◽  
Local Environment ◽  
Metal Alloys ◽  
Disordered System ◽  
Electronic Density ◽  
Transition Metal Alloys ◽  
Short Range Ordering

We study the dependence of the magnetic moment on the short range ordering in Pt1−cMnc, Pt1−cCrc, Pt1−cCoc andPd1−cCoc alloys. The electronic density of states for the fcc disordered system is calculated by the TB LMTO-CPA method. The magnetic moment is estimated using the Stoner model, We find that the value of the magnetic moment increases with increasing ordering in the system.

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