Quantum Oscillation Studies of the Fermi Surface of LaFePO

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We review recent experimental measurements of the Fermi surface of the iron-pnictide superconductor LaFePO using quantum oscillation techniques. These studies show that the Fermi surface topology is close to that predicted by first principles density functional theory calculations, consisting of quasi-twodimensional electron-like and hole-like sheets. The total volume of the two hole sheets is almost equal to that of the two electron sheets, and the hole and electron Fermi surface sheets are close to a nesting condition. No evidence for the predicted three dimensional pocket arising from the Fe d{sub z}{sup 2} band is found. Measurements of the effective mass ... continued below

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Carrington, A. May 26, 2010.

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We review recent experimental measurements of the Fermi surface of the iron-pnictide superconductor LaFePO using quantum oscillation techniques. These studies show that the Fermi surface topology is close to that predicted by first principles density functional theory calculations, consisting of quasi-twodimensional electron-like and hole-like sheets. The total volume of the two hole sheets is almost equal to that of the two electron sheets, and the hole and electron Fermi surface sheets are close to a nesting condition. No evidence for the predicted three dimensional pocket arising from the Fe d{sub z}{sup 2} band is found. Measurements of the effective mass suggest a renormalisation of around two, close to the value for the overall band renormalisation found in recent angle resolved photoemission measurements.

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  • Journal Name: Submitted to Physica C

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  • Report No.: SLAC-PUB-14073
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 981395
  • Archival Resource Key: ark:/67531/metadc1012407

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  • May 26, 2010

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  • Oct. 14, 2017, 8:36 a.m.

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  • Nov. 3, 2017, 1:30 p.m.

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Carrington, A. Quantum Oscillation Studies of the Fermi Surface of LaFePO, article, May 26, 2010; [California]. (digital.library.unt.edu/ark:/67531/metadc1012407/: accessed December 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.