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 Bril...
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| creator | 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-Czekala, Malgorzata Bei, Hongbin Mu, Sai Samolyuk, German D Stocks, G Malcolm Dugdale, Stephen B |
| description | 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 to 40\% of \(\frac{2\pi}{a}\)). 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. |
| doi_str_mv | 10.48550/arxiv.2001.11416 |
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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 \(\frac{2\pi}{a}\)). 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.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.2001.11416</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Brillouin zones ; Coherence length ; Elastic scattering ; Fermi surfaces ; Galling ; Nickel ; Physics - Materials Science ; Physics - Strongly Correlated Electrons ; Residual resistivity ; Solid solutions</subject><ispartof>arXiv.org, 2020-01</ispartof><rights>2020. 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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.</description><subject>Brillouin zones</subject><subject>Coherence length</subject><subject>Elastic scattering</subject><subject>Fermi surfaces</subject><subject>Galling</subject><subject>Nickel</subject><subject>Physics - Materials Science</subject><subject>Physics - Strongly Correlated Electrons</subject><subject>Residual resistivity</subject><subject>Solid solutions</subject><issn>2331-8422</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GOX</sourceid><recordid>eNotj0tLw0AUhQdBsNT-AFcOuE6ce-eRZCmlVaHgJvswSW5kSh51JpH03xvbbs7lwMflfIw9gYhVqrV4tX52vzEKATGAAnPHViglRKlCfGCbEI5CCDQJai1XLN_No6eO-J5853iYfGMr4qEj613_zV3PLe_s7DrbtmdeuzD4mjzVvBr6ivrR23EpYWjdJafRDf0ju29sG2hzu2uW73f59iM6fL1_bt8OkdUooqTUVjRgasoqSoFIlY2WmGkoSwVJaTNEgco0JkUDRlYE0hilq7JJzILLNXu-vr0oFye_jPTn4l-9uKgvxMuVOPnhZ6IwFsdh8v2yqUCpMmEyyIT8A3dBXHI</recordid><startdate>20200130</startdate><enddate>20200130</enddate><creator>Robarts, Hannah C</creator><creator>Millichamp, Thomas E</creator><creator>Lagos, Daniel A</creator><creator>Laverock, Jude</creator><creator>Billington, David</creator><creator>Duffy, Jonathan A</creator><creator>O'Neill, Daniel</creator><creator>Giblin, Sean R</creator><creator>Taylor, Jonathan W</creator><creator>Kontrym-Sznajd, Grazyna</creator><creator>Samsel-Czekala, Malgorzata</creator><creator>Bei, Hongbin</creator><creator>Mu, Sai</creator><creator>Samolyuk, German D</creator><creator>Stocks, G Malcolm</creator><creator>Dugdale, Stephen B</creator><general>Cornell University Library, arXiv.org</general><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>GOX</scope></search><sort><creationdate>20200130</creationdate><title>Extreme Fermi surface smearing in a maximally disordered concentrated solid solution</title><author>Robarts, Hannah C ; 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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 \(\frac{2\pi}{a}\)). 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.</abstract><cop>Ithaca</cop><pub>Cornell University Library, arXiv.org</pub><doi>10.48550/arxiv.2001.11416</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Brillouin zones Coherence length Elastic scattering Fermi surfaces Galling Nickel Physics - Materials Science Physics - Strongly Correlated Electrons Residual resistivity Solid solutions |
| title | Extreme Fermi surface smearing in a maximally disordered concentrated solid solution |
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