Changes in local structure during electrochemical Li insertion into a-site deficient perovskite Oxides, La(1/3)NbO3

Article Abstract:

The changes of oxidation states of cations and local structure of LixLa(1/3)NbO3 with electrochemical lithium insertion are investigated using X-ray absorption fine structure (XAFS) measurements. A complicated behavior in the change of each interatomic distance with lithium insertion can be understood by the model of tilting of NbO6 octahedra in the perovskite structure.

Lithium Compounds, Columbium, Electrochemistry, Structure, Niobium

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Surface micelles of CF(sub 3)(CF(sub 2))(sub 7)(CH(sub 2))(sub 10)COOH on aqueous La(super 3+) subphase investigated by atomic force microscopy and infrared spectroscopy

Article Abstract:

C19F17 micelles formed on aqueous lanthanum acetate subphase both in situ and ex situ are studied. AFM and ordinary infrared spectroscopy are applied to examine the surface micelles deposited onto solid substrates ex situ and polarization modulation infrared reflection absorption spectroscopy is used to detect the micelle structure on the subphase surface in situ.

Californium, Atomic properties

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CH3 (CH)(sub 2)(sub n) Cooh/Cd (super 2)(super +) system on the aqueous cadmium acetate solution investigated in situ by polarization modulation infrared spectroscopy

Article Abstract:

Polarization modulation infrared reflection absorption spectroscopy (PN-IRRAS) is applied to investigate the classical CH3 ((CH sub 2)(sub n)) COOH/Cd (super 2)(super +1) system in situ on the aqueous cadmium acetate. The enhance interchain constraint or interaction tends to render the cadmium alkanoate monolayer on orthorhombic packing.

Cadmium, Usage, Monomolecular films, Infrared spectroscopy, Chemical properties

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