Fermi-surface topology of the iron pnictide LaFe2P2

Blackburn, S.; Prévost, B.; Bartkowiak, M.; Ignatchik, O.; Polyakov, A.; Förster, T.; Côté, M.; Seyfarth, G.; Capan, C.; Fisk, Z.; Goodrich, R. G.; Sheikin, I.; Rosner, H.; Bianchi, A. D.; Wosnitza, J.

doi:10.1103/PhysRevB.89.220505

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Fermi-surface topology of the iron pnictide LaFe₂P₂

Blackburn, S., Prévost, B., Bartkowiak, M., Ignatchik, O., Polyakov, A., Förster, T., et al. (2014). Fermi-surface topology of the iron pnictide LaFe₂P₂. Physical Review B, 89(22): 220505, pp. 1-5. doi:10.1103/PhysRevB.89.220505.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-001A-19E4-5 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0024-24C0-2

Genre: Journal Article

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Creators:
Blackburn, S.¹, Author
Prévost, B.¹, Author
Bartkowiak, M.¹, Author
Ignatchik, O.¹, Author
Polyakov, A.¹, Author
Förster, T.¹, Author
Côté, M.¹, Author
Seyfarth, G.¹, Author
Capan, C.¹, Author
Fisk, Z.¹, Author
Goodrich, R. G.¹, Author
Sheikin, I.¹, Author
Rosner, H.², Author
Bianchi, A. D.¹, Author
Wosnitza, J.¹, Author

Affiliations:
1external, ou_persistent22
2Helge Rosner, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863450

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Abstract: We report on a comprehensive de Haas-van Alphen (dHvA) study of the iron pnictide LaFe2P2. Our extensive density-functional band-structure calculations can well explain the measured angular-dependent dHvA frequencies. As salient feature, we observe only one quasi-two-dimensional Fermi-surface sheet; i.e., a hole-like Fermi-surface cylinder around Gamma, essential for s(+/-) pairing, is missing. In spite of considerable mass enhancements due to many-body effects, LaFe2P2 shows no superconductivity. This is likely caused by the absence of any nesting between electron and hole bands.

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Dates: Date issued: 2014-06-18

Publication Status: Issued

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Identifiers: ISI: 000338510600003
DOI: 10.1103/PhysRevB.89.220505

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Title: Physical Review B

Other : Phys. Rev. B

Source Genre: Journal

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Publ. Info: Woodbury, NY : American Physical Society

Pages: - Volume / Issue: 89 (22) Sequence Number: 220505 Start / End Page: 1 - 5 Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008