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A series of the polyimide-silica NLO nanohybrid materials were synthesized from 3,3', 4,4'- Bisphenyltetracarboxylic (BPDA), 2,2-Bis(3-amino-4-hydroxyphen-yl) hexafluoropropane (6FHP), nonlinear optical (NLO) molecule 4-(N-2-Hydroxyethyl-N-methylamino)-4'-[(6-nitroben-zothiazol-2-yl)-diazenyl] azobenzene (HNBDA), coupling agent APTES and hydrolysate of TEOS via sol-gel process. The TEOS contents in...
The local ordering structures of Fe 70 Co 10 B 20 and Fe67Co10Ln3B20(Ln=Sm,TborDy) alloys have been studied by X-ray diffraction. The analyses of interference functions and radial distribution functions revealed that the local atomic ordering becomes weaker and the coordination number of transition metals around Fe decreases while that of transition metals around B remains...
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