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Infrared to ultraviolet upconversion luminescence in Nd3+ doped nano-glass-ceramic陈大钦,王元生,余运龙,刘锋,黄萍摘 要:Nd3+ doped transparent oxyfluoride glass ceramic containing β-YF3 nanocrystals was prepared and the upconversion luminescence behaviors of Nd3+ in the precursor glass and glass ceramic were investigated. Under 796 nm laser excitation, ultraviolet......
Rate equation model analysis on the infrared and upconversion emission of Er/Yb co-doped borate-silicate glass李善锋,张敏,彭扬,张庆瑜,赵明山School of Physics & Optoelectronic Engineering,Dalian University of Technology摘 要:Er/Yb co-doped borate-silicate glasses with various Yb concentrations were fabricated by high-temperature solid-reaction method.The......
Rate equation model analysis on the infrared and upconversion emission of Er/Yb co-doped borate-silicate glass李善锋,张敏,彭扬,张庆瑜,赵明山School of Physics & Optoelectronic Engineering,Dalian University of Technology摘 要:Er/Yb co-doped borate-silicate glasses with various Yb concentrations were fabricated by high-temperature solid-reaction method.The......
Magnetism, Electronic Transport and Infrared Absorption Spectra in Perovskite Manganite La0.67-xDyxCa0.33MnO3 (x=0~0.6)曹晓明,卢遵铭,陈红建,李养贤摘 要:Polycrystalline samples La0.67-xDyxCa0.3MnO3 (x=0~0.6) were prepared by traditional solid-state reaction method. The magnetization and resistivity of the samples were measured by PPMS (Quantum Design). The infrared......
Trans. Nonferrous Met. Soc. China 26(2016) 2595-2602 Fatigue behavior of AZ31B magnesium alloy electron beam welded joint based on infrared thermography Hong-wei YANG1, Ze-qin CUI1,2, Wen-xian... magnesium alloy electron beam welded joint undergoing cyclic loading was investigated by infrared thermography. Temperature evolution throughout a fatigue process was presented and the mechanism......
to seven oxygen atoms. Key words:polyphosphate; praseodymium; crystal structure; infrared spectroscopy; rare earths; [全文内容正在添加中] ......
)05-1189-08 Mechanical and infrared radiation properties of sandstone with different water contents under uniaxial compression ZHOU Zilong1, XIONG Cheng1, CAI Xin1, ZHAO Yuan1, LI Xibing1, DU Kun2 (1... to investigate the effect of water on mechanical and infrared radiation properties of rock, a series of uniaxial compressive tests were conducted on sandstone specimens with different water contents......
Infrared spectroscopy analyses of air-CH4 or air-CO gas flows interacting with polycrystalline CeO2, La2O3 and Lu2O3 oxidesBahcine BAKIZ1,2,Lamia BOURJA1,2,Abdeljalil BENLHACHEMI22. Laboratory... and Lu2O3 rare earth oxides was performed using Fourier transform infrared spectroscopy analyses of CO2 gas resulted from the conversion of CH4 or CO gases. Polycrystalline samples of CeO2, La2O3 and Lu2O3......
Infrared spectroscopy analyses of air-CH4 or air-CO gas flows interacting with polycrystalline CeO2, La2O3 and Lu2O3 oxidesBahcine BAKIZ1,2,Lamia BOURJA1,2,Abdeljalil BENLHACHEMI22. Laboratory... and Lu2O3 rare earth oxides was performed using Fourier transform infrared spectroscopy analyses of CO2 gas resulted from the conversion of CH4 or CO gases. Polycrystalline samples of CeO2, La2O3 and Lu2O3......
-modified Si3N4 has a new peak of Si-O in FTIR spectrum. Key words: Si3N4; surface-modified; dispersion property; infrared spectroscopy Infrared absorption spectra of Si3N4 powder after oxidation at 1 000 ℃ for different times 纯氮化硅表面为叔胺(Si3N)结构,故红外光谱能检测到较强的Si-N键吸收峰.由于该类结构在空气中具有反应活性,使得暴露在空气中的氮化硅颗粒与空气中的氧和水汽发生缓慢反应......