- Abstract:
-
We report a de Haas-van Alphen oscillation study of the 111 iron pnictide superconductors LiFeAs with T(c) ≈ 18 K and LiFeP with T(c) ≈ 5 K. We find that for both compounds the Fermi surface topology is in good agreement with density functional band-structure calculations and has almost nested electron and hole bands. The effective masses generally show significant enhancement, up to ~3 for LiFeP and ~5 for LiFeAs. However, one hole Fermi surface in LiFeP shows a very small enhancement, as co...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1103/physrevlett.108.047002
-
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- Journal:
- Physical review letters
- Volume:
- 108
- Issue:
- 4
- Pages:
- 047002
- Publication date:
- 2012-01-05
- DOI:
- EISSN:
-
1079-7114
- ISSN:
-
0031-9007
- URN:
-
uuid:87153dc2-9e62-49aa-8f5c-00727dc24ed7
- Source identifiers:
-
244726
- Local pid:
- pubs:244726
- Language:
- English
- Keywords:
- Copyright date:
- 2012
- Notes:
-
This version includes new higher resolution data. 4 pages with
figures
Journal article
de Haas-van Alphen study of the Fermi surfaces of superconducting LiFeP and LiFeAs.
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