Electronic and atomic structures of quasi-one-dimensional K{sub 0.3}MoO{sub 3}
- Department of Physics, Tamkang University, Tamsui 251, Taiwan (China)
The electronic and atomic structures of quasi-one-dimensional blue bronze K{sub 0.3}MoO{sub 3} were investigated by polarization-dependent O K-edge x-ray absorption near-edge structure (XANES) and Mo K-edge extended x-ray absorption fine structure (EXAFS) measurements at various temperature and applied voltages. The O K-edge XANES spectra suggest that the number of unoccupied O 2p-Mo 4d hybridized states increases and decreases with temperature, respectively, below and above a critical temperature of 180 K. The along b-axis electric current measurements show a threshold applied voltage, beyond which the current increases rapidly. The Mo K-edge EXAFS measurements show that the Mo-O bond lengths are insensitive to the temperature even beyond 180 K.
- OSTI ID:
- 20637069
- Journal Information:
- Applied Physics Letters, Vol. 86, Issue 14; Other Information: DOI: 10.1063/1.1897437; (c) 2005 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
Similar Records
Coordination of B in K{sub 2}OSiO{sub 2}-B{sub 2}O{sub 3}-P{sub 2}O{sub 5} glasses using B K-edge XANES
Comparison of the cation valence and coordination in Ce{sub 2}UO{sub 6} and Ce{sub 2}MoO{sub 6}
Related Subjects
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ABSORPTION SPECTROSCOPY
BOND LENGTHS
BRONZE
CRITICAL TEMPERATURE
ELECTRIC CURRENTS
ELECTRIC POTENTIAL
ELECTRONIC STRUCTURE
FINE STRUCTURE
MOLYBDENUM OXIDES
POLARIZATION
POTASSIUM COMPOUNDS
SEMICONDUCTOR DEVICES
TEMPERATURE RANGE 0065-0273 K
X-RAY SPECTROSCOPY