Hole Fermi surface in Bi2Se3 probed by quantum oscillations
Physical Review B, ISSN: 2469-9969, Vol: 93, Issue: 15
2016
- 9Citations
- 3Usage
- 11Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations9
- Citation Indexes9
- CrossRef5
- Usage3
- Abstract Views3
- Captures11
- Readers11
- 11
Article Description
Transport and torque magnetometry measurements are performed at high magnetic fields and low temperatures in a series of p-type (Ca-doped) Bi2Se3 crystals. The angular dependence of the Shubnikov-de Haas and de Haas-van Alphen quantum oscillations enables us to determine the Fermi surface of the bulk valence band states as a function of the carrier density. At low density, the angular dependence exhibits a downturn in the oscillations frequency between 0 and 90, reflecting a bag-shaped hole Fermi surface. The detection of a single frequency for all tilt angles rules out the existence of a Fermi surface with different extremal cross sections down to 24 meV. There is therefore no signature of a camelback in the valence band of our bulk samples, in accordance with the direct band gap predicted by GW calculations.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84964626422&origin=inward; http://dx.doi.org/10.1103/physrevb.93.155206; https://link.aps.org/doi/10.1103/PhysRevB.93.155206; http://harvest.aps.org/v2/journals/articles/10.1103/PhysRevB.93.155206/fulltext; http://link.aps.org/accepted/10.1103/PhysRevB.93.155206; http://link.aps.org/article/10.1103/PhysRevB.93.155206; https://scholarsmine.mst.edu/phys_facwork/643; https://scholarsmine.mst.edu/cgi/viewcontent.cgi?article=1643&context=phys_facwork
American Physical Society (APS)
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