2008/05/29 by H. Takenaka, Hiroyuki Takenaka, David J. Singh +1
Materials Science · Physics and Astronomy · #Iron-based superconductors research #Rare-earth and actinide compounds #Superconductivity in MgB2 and Alloys #cond-mat.supr-con
paper · pdf · doi:10.1103/physrevb.78.052503
published as Phys. Rev. B 78, 052503 (2008)
arxiv created 2008/05/29 · openalex publication_date 2008/08/06 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We report calculations of the positron potential and wave function in LaFeAsO. These calculations show that the positron wave function does sample the entire unit cell, although it is largest in the interstices of the La layer adjacent to As atoms. The implication is that annihilation correlation of annihilation radiation is a viable probe of the Fermi surfaces in this material. The results also apply to positive muons and indicate that these will be localized in the La layer adjacent to As.