Chemical shifts of atomic core levels and structure of K{sub 1-x}Ti{sub 1-x}Sb{sub x}OPO{sub 4}, x=0-0.23, solid solutions
Journal Article
·
· Journal of Solid State Chemistry
- Laboratory of Optical Materials and Structures, Institute of Semiconductor Physics, SB RAS, Novosibirsk 630090 (Russian Federation)
- X-ray Laboratory, Institute of Crystallography, RAS, Moscow 119333 (Russian Federation)
- Technical Centre, Institute of Semiconductor Physics, SB RAS, Novosibirsk 630090 (Russian Federation)
- Department of Physics, Moscow State University, Moscow 117234 (Russian Federation)
Antimony-doped K{sub 1-x}Ti{sub 1-x}Sb{sub x}OPO{sub 4}, x=0.23, crystals have been prepared by spontaneous nucleation from the flux in the quaternary system K{sub 2}O-TiO{sub 2}-P{sub 2}O{sub 5}-Sb{sub 2}O{sub 5}. Crystal structure observation with TEM method reveals the presence of superstructure ordering. Core level electronic parameters have been studied by X-ray photoelectron spectroscopy. Strong effect of Sb doping has been detected for inner shells of Ti{sup 4+} ions. Prominent decreasing of the binding energy difference {delta}(O 1s-Ti 2p{sub 3/2}) correlates with the shortening of mean oxide bond length L(Ti-O) at x=0.23 that suggests increased ionicity of Ti-O bonds in K{sub 1-x}Ti{sub 1-x}Sb{sub x}OPO{sub 4} solid solutions.
- OSTI ID:
- 20905383
- Journal Information:
- Journal of Solid State Chemistry, Journal Name: Journal of Solid State Chemistry Journal Issue: 8 Vol. 179; ISSN 0022-4596; ISSN JSSCBI
- Country of Publication:
- United States
- Language:
- English
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