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Tm3+ interactions in LiYF4 studied by high-resolution spectroscopy D.S.Pytalev1,S.A.Klimin1 (1.Instiute of Spectroscopy,Russian Academy of Sciences,5,Fizicheskaya Str.,142190,Troitsk,Moscow region,142190,Russia) Abstract:We used the high-resolution spectroscopy to study the interactions that Tm3+ ion in a LiYF4 crystal is subjected to.Several crystal field transitions with low integral......
Interpretation of electrochemical impedance spectroscopy (EIS)circuit model for soilsHAN Peng-ju(韩鹏举)1, ZHANG Ya-feng(张亚芬)1, Frank Y. CHEN(陈幼佳)1, 2, BAI Xiao-hong(白晓红)1(1. Department of civil... of conductive paths in microstructure of soil and theory of electrochemical impedance spectroscopy (EIS), an integrated equivalent circuit model and impedance formula for soils were proposed, which contain 6......
J. Cent. South Univ. Technol. (2009) 16: 0440-0443 DOI: 10.1007/s11771-009-0074-7 Fluorescence spectroscopy characteristics of humic acid by inoculating white-rot fungus during different phases... of agricultural waste composting, and its effect on the fluorescence spectroscopy characteristics of humic acid (HA) was studied. The results show that the emission spectra have a sharp peak at 400 nm......
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-containing monomers were synthesized by the reaction of Tb isoproxides with acrylic acid and β-diketones. The composition and structure of these monomers were confirmed by FT-IR, UV spectroscopy... the excitation of UV light, these monomers exhibit characteristic luminescence of terbium ion, the fluorescent intensity is affected by the polarity of solvent and triplet state of ligand. In solid state......
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Impedance spectroscopy analysis of CeNbO4.25李琴,王金玲,张国光School of Materials Science and Technology,Nanchang Hangkong University摘 要:Monoclinic CeNbO4.25 was prepared by solid state reaction.Complex impedance analysis indicated the presence of grain interior effect along with the grain boundary contribution.The values of ionic transference number ti below......
Study on RE-Al-Zr-C-N Coating by X-ray Photoelectron Spectroscopy 侯仰龙1,韦永德2,马楠2 (1.Key National Laboratory of Rare Earth Materials Chemistry and Application, Peking University,;2.Center for Rare... and energy dispersive spectroscopy. The results show that the rare earth acts as an activator and accelerator of the permeating of other elements. The effect of rare earths on aluminum is greater......
in the exploration of reactivity, it is found that the fluorescent intensity of complexes prepared by suspension polymerization increases significantly compared with the original particles, which is five times higher than that of the pure rare earth complex. Key words:rare earth complex; fluorescent property; reactivity; [全文内容正在添加中] ......
Optical Studies of Fluorescent Mesoporous Silica NanoparticlesSurbhi Kumari,P.D.SahareDepartment of Physics & Astrophysics,University of Delhi,New Delhi 110007,India摘 要:<正>Spherically shaped mesoporous silica nanoparticles(MSNs) having honeycomb like porous structure were synthesized by sol-gel method.Transmission electron microscopy(TEM),surface......
