Chemical Environment Selectivity in M{umlt o}ssbauer Diffraction from {sup 57}Fe{sub 3}Al

Journal Article · Tue Dec 31 23:00:00 EST 1996 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.78.366· OSTI ID:439069

Stephens, T A; Fultz, B ^[1]

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1. Division of Engineering and Applied Science, mail 138-78, California Institute of Technology, Pasadena, California 91125 (United States)

M{umlt o}ssbauer diffraction was used to measure different autocorrelation functions for {sup 57}Fe atoms in different chemical environments. The sample was polycrystalline {sup 57}Fe{sub 3}Al with the ordered DO{sub 3} structure. Diffraction peaks from a fcc structure with a doubled unit cell were detected when the incident radiation was tuned to the M{umlt o}ssbauer resonance of the Wyckoff 4(b) Fe site, but not for tuning to the 8(c) site, thereby distinguishing the spatial arrangements of these two Fe sites. {copyright} {ital 1997} {ital The American Physical Society}

• OSTI ID: 439069
• Journal Information: Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 2 Vol. 78; ISSN 0031-9007; ISSN PRLTAO
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
ALUMINIUM ALLOYS
CORRELATION FUNCTIONS
CRYSTAL STRUCTURE
FCC LATTICES
IRON ALLOYS
LATTICE PARAMETERS
MOESSBAUER EFFECT
POLYCRYSTALS
X-RAY DIFFRACTION