Extreme Fermi Surface Smearing in a Maximally Disordered Concentrated Solid Solution

We show that the Fermi surface can survive the presence of extreme compositional disorder in the equiatomic alloy Ni_{0.25}Fe_{0.25}Co_{0.25}Cr_{0.25}. Our high-resolution Compton scattering experiments reveal a Fermi surface which is smeared across a significant fraction of the Brillouin zone (up t...

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Bibliographic Details
Published in:Physical review letters 2020-01, Vol.124 (4), p.046402, Article 046402
Main Authors: Robarts, Hannah C., Millichamp, Thomas E., Lagos, Daniel A., Laverock, Jude, Billington, David, Duffy, Jonathan A., O’Neill, Daniel, Giblin, Sean R., Taylor, Jonathan W., Kontrym-Sznajd, Grazyna, Samsel-Czekała, Małgorzata, Bei, Hongbin, Mu, Sai, Samolyuk, German D., Stocks, G. Malcolm, Dugdale, Stephen B.
Format: Article
Language:English
Subjects:
Brillouin zones
Coherence length
Compton scattering
Density functional theory
Disordered alloys
Elastic scattering
Electronic structure
Fermi surface
Fermi surfaces
Galling
MATERIALS SCIENCE
Residual resistivity
Solid solutions
Transition-metal alloys
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