Unconventional electronic reconstruction in undoped across the spin density wave transition
Journal Article
·
· Physical Review. B, Condensed Matter and Materials Physics
- SLAC National Accelerator Lab., Menlo Park, CA (United States); Stanford Univ., CA (United States)
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Naval Research Lab. (NRL), Washington, DC (United States)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Through a systematic high-resolution angle-resolved photoemission study of the iron pnictide compounds , we show that the electronic structures of these compounds are significantly reconstructed across the spin density wave transition, which cannot be described by a simple folding scenario of conventional density wave ordering. Furthermore, we find that LDA calculations with an incorporated suppressed magnetic moment of 0.5μB can match well the details in the reconstructed electronic structure, suggesting that the nature of magnetism in the pnictides is more migratory than local, while the origin of suppressed magnetic moment remains an important issue for future investigations.
- Research Organization:
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division
- Grant/Contract Number:
- AC02-76SF00515
- OSTI ID:
- 1443062
- Report Number(s):
- SLAC-PUB-14053; PRBMDO
- Journal Information:
- Physical Review. B, Condensed Matter and Materials Physics, Vol. 80, Issue 17; ISSN 1098-0121
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 123 works
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