Please read and understand
C. Felser and G. H. Fecher (Eds.)
Spintronics : From Materials to Devices

in particular the chapters on Heusler compounds

ISBN 978-90-481-3831-9
ISBN 978-90-481-3832-6 (eBook)
DOI 10.1007/978-90-481-3832-6
Springer Dordrecht Heidelberg New York London

Ciao
Gerhard

DEEP THOUGHT in D. Adams; Hitchhikers Guide to the Galaxy:
"I think the problem, to be quite honest with you,
is that you have never actually known what the question is."

====================================
Dr. Gerhard H. Fecher
Institut of Inorganic and Analytical Chemistry
Johannes Gutenberg - University
55099 Mainz
and
Max Planck Institute for Chemical Physics of Solids
01187 Dresden
________________________________________
Von: Wien [wien-boun...@zeus.theochem.tuwien.ac.at] im Auftrag von SEMEH NOUI 
[sameh.n...@gmail.com]
Gesendet: Montag, 14. August 2017 10:51
An: wien@zeus.theochem.tuwien.ac.at
Betreff: [Wien] True half métal and false half métal

Hello sir, I have a questions to ask you
1-I have a Heusler alloy when I calculated the band structure I find that the 
energetic gap exceeds or touches the conduction band of the fermi levels in 
(spin dn) direction
My question, is this compound is a half metal or metal
2-how I can distinguish a real half metal and false half metal
3-I have another compound when I applied the GGA approximation I did not find a 
gap at the level of fermi but I applied the MBJ (GGA) the gap appears
My question is what I consider that this compound is metal or half metal
I will wait for your reply

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