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27 April 2024 |
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Structure and magnetic properties of Heusler alloy Fe2NiZ (Z=Al, Ga, Si and Ge) | | Y. J. Zhang
; W. H. Wang
; H. G. Zhang
; E. K. Liu
; R. S. Ma
; G. H. Wu
; | | Date: |
31 Jan 2013 | | Abstract: | The Heusler alloys Fe2NiZ (Z=Al, Ga, Si and Ge) have been synthesized and
investigated focusing on the phase stability and the magnetic properties. The
experimental and theoretical results reveal the covalent bonding originated
from p-d hybridization takes an important role in these alloys, which dominates
the stability of ordered structure but leads to the decline of the band
splitting. The electronic structure shows the IV group main group element (Si
and Ge) provides stronger covalent effect than that of the III group element
(Al and Ga). It has been found that the variations of the physical parameters,
lattice constants, critical ordering temperature, magnetic moments and Curie
temperature, precisely follow these covalent characters. | | Source: | arXiv, 1301.7489 | | Services: | Forum | Review | PDF | Favorites | |
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