128 research outputs found
Voltage distribution over capacitively coupled plasma electrode for atmospheric-pressure plasma generation
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Electronic structure and orientation relationship of Li nanoclusters embedded in MgO studied by depth-selective positron annihilation two-dimensional angular correlation
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Effect of the Atomic Ratio of Ba to Ti on Optical Properties of Gold-Dispersed BaTiO3 Thin Films
No full textEmission properties and local structure of TM3+ in Ge-Ga-S-Br glass
No full textSpectroscopic properties of TM3+ in (1 - x) (Ge0.25Ga0.10S0.65)-xBr (or CsBr) glasses (x = 0.0 and 0.1) were investigated. Emission properties of Tm3+ in 0.9(Ge0.25Ga0.10S0.65)-0-1CsBr glass were similar to those in Ge(,.25Gao.10S0.65 glass, while there was significant improvement when doped into 0.9(Ge0.5Ga0.10S0.65)-0.1CsBr glass. The lifetime of the TM3+:(3) H-4 level increased from 0.23 to 1.22 msec with 10 mol% CsBr addition. The presence of Cs+ facilitated the formation of [GaS3/2Br](-) units by donating an electron to the Ga tet- rahedron, resulting in the homogeneous distribution of Br. In this way, TM ions have their local environment made of Br only. When Br ions were added instead of CsBr, [GaS(4-x)/2Br](-) units with x > 1 were formed and TM3+ ions were surrounded by both S and Br, producing a high phonon environment. (C) 2007 Elsevier B.V. All rights reserved.X1117sciescopu
Stabilities and pore size effect of proton-conducting organic-inorganic hybrid membranes prepared through surface modification of porous glasses
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