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Investigation of Chemical Bond Properties and Mssbauer Spectroscopy in YBa2Cu3O7 张思远1,高发明2,李东春2 (1.Changchun Institute of Applied Chemistry Academia Sinica, Changchun 130022, China;2.College... that the Cu(2)-O plane is more important than the Cu(1)-O chain on the superconductivity in the Y-123 compounds. Key words:physical chemistry; mssbauer spectroscopy; chemical bond; superconductor; rare......
ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY STUDY OF CORROSION INHIBITION OF MODIFIED LIGNOSULPHONATE FOR CARBON STEEL D.J. Yang1,H.M. Lou1,C.H. Yi1,X.Q. Qiu1 (1.College of Chemical and Energy... using electrochemical impedance spectroscopy technique. Results show that the inhibition efficiency of modified lignosulphonate GCL2 is a great improvement on that of lignosulphonate. The maximum......
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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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......
Photoreflectance Spectroscopy for Study of Si/SiGe/Si Heterostructure Lin Huiwang1,TSIEN Pei-Hsin1,Liu Zhihong1,Xiong Xiaoyi1,CHEN Changchun1,Dou Weizhi1 (1.Institute of Microelectronics,Tsinghua University,Beijing 100084,China) Abstract:UHVCVD-grown Si/Si1- xGex/Si heterostructure was investigated by Photoreflectance spectroscopy (PR). The principle of PR used in semiconductor film......