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Fabrication of Optical Tunable Helical Thin FilmsLinxin Hu,Peng Wang,Xingyang Wan and Shaoji Jiang State Key Laboratory of Optoelectronic Materials and Technologies,Sun Yat-sen University,Guangzhou 510275,China摘 要:Circular polarization selection of light is an important property of helical micro-nanostructure.The helical thin films fabricated......
J. Cent. South Univ. Technol. (2009) 16: 0794-0801 DOI: 10.1007/s11771-009-0132-1 Performance analysis of optical burst switching node with limited wavelength conversion capabilities XU Yi(许 毅)1, SHI Kai-yuan(史开源)2, FAN Ge(范 戈)1 (1. State Key Laboratory of Advanced Optical Communication System and Network, Shanghai Jiao Tong University, Shanghai 200240, China; 2. Weapon and Task......
words: polyacrylamide gel method; LaP3O9:Eu3+; structure; optical property 稀土磷酸盐具有良好的化学稳定性,热稳定性,是发光材料的良好基质,人们对其进行了大量的研究而且已获一定的应用,但主要针对稀土正磷酸盐(LnPO4)发光材料的研究[1-2].而稀土正磷酸盐发光材料相对较低的发光效率以及较高的成本制约着稀土掺杂正磷酸盐发光材料... and optical properties of the as-synthesized samples were investigated by XRD, FT-IR and FL. The influences of synthesis conditions and Eu3+ doping content on the crystal structure and optical properties......
blue light emitting material. Key words: CdS; microwave hydrothermal method; hierarchical hollow sphere; optical property 1 Introduction Cadmium sulfide (CdS), as an important II-VI semiconductor... that the spacing of the crystallographic planes is about 0.676 nm, which is indexed as the (0001) plane of hexagonal CdS and is well consistent with the XRD result shown in Fig. 2. 3.3 Optical property......
-ZnO and (Lu-F)-ZnO, which indicate a higher transmittance of the F doped ZnO in the visible light range. Key words: ZnO; first principle; codoped; electronic structure; optical property Foundation item...通过均匀的电介质时能量的损失情况.图4(d)所示为ZnO掺杂前后能量损失,纯净的ZnO能量损失峰值位于15 eV左右,这与实验值18.8 eV十分接近[19].掺杂后,能量损失出现不同程度的红移,其中Lu-F共掺杂时红移最明显.值得注意的是,能量损失峰值与反射谱线的迅速下降直接对应. 图4 未掺杂和掺杂后的ZnO光学图谱 Fig. 4 Optical patterns......
chromite; nanostructures; superhydrophilicty; magnetic property; optical property 1 Introduction Zinc chromite (ZnCr2O4) is a mixed oxide which crystallizes in the cubic system and has a normal spinel...Trans. Nonferrous Met. Soc. China 25(2015) 3980-3986 Magnetic and optical properties of zinc chromite nanostructures prepared by microwave method Zahra MOUSAVI, Mahdiyeh ESMAEILI-ZARE, Masoud......
℃, which means that it can be applied in the passive Q-switch turnable laser. Key words: glass ceramics; ZnAl2O4; Co2+ ion; optical property Co2+离子掺杂尖晶石晶体,如铝酸镁在1.54 μm附近具有比Er3+离子发射截面大得多的基态吸收截面,已应用于掺铒...码:A Preparation and optical properties of Co2+ doped ZnAl2O4-SiO2 transparent glass ceramics LI Wei1, 2, CHEN Wen-zhe1, 3, ZHENG Chan2 (1. College of Materials Science and Engineering,Fuzhou......
, and possess good IR transmittance in the range of 400 to 4 000 cm-1 and good thermal stability in oxygen. Key words: ZnS nanoparticle; ZnO; optical property; ultrasonic... exciton [J]. Chemical Physics Letters, 1986, 129(6): 615-618. [3] XIN Xian-shuang, ZHOU Bai-bin, DU Hua, XU Xue-qin, SU Wen-hui. Preparation of ZnO nanoparticles and study on its optical property [J......
; ZnFe2O4; crystal structure; optical property; magnetic property Foundation item: Project(51261015) supported by the National Natural Science Foundation of China; Project (1308RJZA238) supported... ZnAl2O4 and ZnFe2O4 with SiO2 on structural and optical properties synthesized by sol-gel method[J]. Bulletin of the American Society for Information Science & Technology, 2015, 1119(3): 96-100. [6......
Effect of graphite particle size on wear property of graphite and Al2O3 reinforced AZ91D-0.8%Ce composites ZHANG Mei-juan(张美娟), LIU Yong-bing(刘勇兵), YANG Xiao-hong(杨晓红), AN Jian(安 健), LUO Ke... property of the composites, were performed under the condition of constant contents of graphite particles and Al2O3 short fibers. The results reveal that the grain size of the composites changes less when......