Extended-x-ray-absorption-fine-structure study of small Fe molecules isolated in solid neon
We have used rare gas matrix isolation techniques in combination with extended x-ray absorption fine structure (EXAFS) to study the variation in interatomic distances for small Fe molecules in solid neon. A considerable contraction in the interatomic distances was observed for the metal molecules. An Fe-Fe distance of 2.03 +- l0.03 A for the lowest concentration of metal was observed. This is in good agreement with early EXAFS measurements in Fe/sub 2/-Ar. We also carried out a careful study of the x-ray-absorption near-edge structure (XANES), and observed the appearance of considerable structure for a 1.5-at. % Fe sample. The XANES spectra were analyzed in terms of 1s-to-(3d,4s) and 1s-to-4p transitions.
- Research Organization:
- Department of Physics, West Virginia University, Morgantown, West Virginia 26506
- OSTI ID:
- 6864959
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 25:7; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
360104* -- Metals & Alloys-- Physical Properties
ABSORPTION SPECTRA
BREMSSTRAHLUNG
CONTROL EQUIPMENT
CRYOSTATS
DATA
DISTANCE
ELECTROMAGNETIC RADIATION
ELEMENTS
ENERGY-LEVEL TRANSITIONS
EQUIPMENT
EXPERIMENTAL DATA
FINE STRUCTURE
FLUIDS
GASES
HIGH VACUUM
INFORMATION
INTERATOMIC DISTANCES
IRON
MATRIX ISOLATION
METALS
MOLECULES
NEON
NONMETALS
NUMERICAL DATA
RADIATIONS
RARE GASES
SOLIDS
SPECTRA
SYNCHROTRON RADIATION
THERMOSTATS
TRANSITION ELEMENTS
X-RAY SPECTRA