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Depositordc.contributorO'Neill, Christopher
Funderdc.contributor.otherEPSRC - Engineering and Physical Sciences Research Councilen_UK
Spatial Coveragedc.coverage.spatialUKen
Spatial Coveragedc.coverage.spatialUNITED KINGDOMen
Data Creatordc.creatorO'Neill, Christopher
Data Creatordc.creatorHuxley, Andrew
Data Creatordc.creatorHermann, Andreas
Data Creatordc.creatorKeen, Harry
Data Creatordc.creatorKing, Phil
Data Creatordc.creatorClark, Oliver
Date Accessioneddc.date.accessioned2020-10-08T13:59:34Z
Date Availabledc.date.available2020-10-08T13:59:34Z
Citationdc.identifier.citationO'Neill, Christopher; Huxley, Andrew; Hermann, Andreas; Keen, Harry; King, Phil; Clark, Oliver. (2020). Changes of Fermi Surface Topology due to the Rhombohedral Distortion in SnTe, [dataset]. University of Edinburgh. School of Physics and Astronomy. https://doi.org/10.7488/ds/2931.en
Persistent Identifierdc.identifier.urihttp://hdl.handle.net/10283/3767
Persistent Identifierdc.identifier.urihttps://doi.org/10.7488/ds/2931
Dataset Description (abstract)dc.description.abstractStoichiometric SnTe is theoretically a small gap semiconductor that undergoes a ferroelectric distortion on cooling. In reality however, crystals are always nonstoichiometric and metallic; the ferroelectric transition is therefore, more accurately described as a polar structural transition. Here, we study the Fermi surface using quantum oscillations as a function of pressure. We find the oscillation spectrum changes at high pressure due to the suppression of the polar transition and less than 10 kbars is sufficient to stabilize the undistorted cubic lattice, this is accompanied by a large decrease in the Hall and electrical resistivities. Combined with our density functional theory calculations and angle-resolved photoemission spectroscopy measurements, this suggests the Fermi surface L pockets have lower mobility than the tubular Fermi surfaces that connect them. Additionally, we find the unusual phenomenon of a linear magnetoresistance that exists irrespective of the distortion that we attribute to regions of the Fermi surface with high curvature.en_UK
Languagedc.language.isoengen_UK
Publisherdc.publisherUniversity of Edinburgh. School of Physics and Astronomyen_UK
Relation (Is Referenced By)dc.relation.isreferencedbyhttps://doi.org/10.1103/PhysRevB.102.155132en_UK
Rightsdc.rightsCreative Commons Attribution 4.0 International Public Licenseen
Subjectdc.subjectFermi surfaceen_UK
Subjectdc.subjectQuantum Oscillationsen_UK
Subjectdc.subjectHall effecten_UK
Subjectdc.subjectStructural Phase transitionen_UK
Subject Classificationdc.subject.classificationPhysical Sciencesen_UK
Titledc.titleChanges of Fermi Surface Topology due to the Rhombohedral Distortion in SnTeen_UK
Typedc.typedataseten_UK

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