Abstract
We show that the Fermi surface can survive the presence of extreme compositional disorder in the equiatomic alloy Ni0.25Fe0.25Co0.25Cr0.25. Our high-resolution Compton scattering experiments reveal a Fermi surface which is smeared across a significant fraction of the Brillouin zone (up to 40% of 2π=a). The extent of this smearing and its variation on and between different sheets of the Fermi surface has been determined, and estimates of the electron mean-free-path and residual resistivity have been made by connecting this smearing with the coherence length of the quasiparticle states.
Original language | English |
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Article number | 046402 |
Number of pages | 6 |
Journal | Physical Review Letters |
Volume | 124 |
DOIs | |
Publication status | Published - 30 Jan 2020 |
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Dive into the research topics of 'Extreme Fermi surface smearing in a maximally disordered concentrated solid solution'. Together they form a unique fingerprint.Student theses
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Electronic Structure and Magnetic Properties of Transition Metal High Entropy Alloys
Lagos, D. A. (Author), Dugdale, S. (Supervisor), 12 May 2020Student thesis: Doctoral Thesis › Doctor of Philosophy (PhD)
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NiFeCoCr
Dugdale, S. (Creator), University of Bristol, 1 Nov 2019
DOI: 10.5523/bris.1a9u533pcxzk23lbwu1p56ica, http://data.bris.ac.uk/data/dataset/1a9u533pcxzk23lbwu1p56ica
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HPC (High Performance Computing) and HTC (High Throughput Computing) Facilities
Alam, S. R. (Manager), Williams, D. A. G. (Manager), Eccleston, P. E. (Manager) & Greene, D. (Manager)
Facility/equipment: Facility