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Preparation and dielectric properties of compositionally graded (Ba,Sr)TiO3 thin film by sol-gel technique ZHANG Tian-jin(章天金), WANG Jun(王 军), ZHANG Bai-shun(张柏顺), WANG Jin-zhao(王今朝), WAN Neng(万...=0.6, 0.7, 0.8, 0.9, 1.0) (BST) thin films (less than 400 nm) were fabricated on Si and Pt/Ti/SiO2/Si substrates by sol-gel technique. A special heating treatment was employed to form the uniform......
Sol-Gel Assembly and Luminescence of SiO2/PEMA Hybrid Material Incorporated with Terbium Complex 游佳勇1,闫冰1 (1.Department of Chemistry, Tongji University, Shanghai 200092, China;2.State Key... earths; sol-gel assembly; luminescence; hybrid material; terbium complex; [全文内容正在添加中] ......
Sol-gel processed Ce3+, Tb3+ codoped white emitting phosphors in Sr2Al2SiO7 PAN Wen1,LIN Yuan1,NING Guiling1,YANG Xuefeng1 (1.State Key Laboratory of Fine Chemicals, Department of Materials Science... displayed long persistent white phosphorescence. Key words:sol-gel method; luminescence; phosphors; Sr2Al2SiO7:Ce3+,Tb3+; rare earths; [全文内容正在添加中] ......
sol-gel法低温制备超细BaFe12O19磁粉 黄建峰1,曹丽云1,吴建鹏1,沈青1,贺海燕1 (1.陕西科技大学材料科学与工程学院,咸阳,712081) 摘要:应用sol-gel法成功地低温合成了超细BaFe12O19磁粉.先驱体氢氧化物在醇:水比为1:1.7,Ba2+和Fe3+以的离子摩尔比为1.15:12的溶胶溶液中(以氢氧化钠NaOH为沉淀剂)制得.采用两步热处理法,先驱体氢氧化物在300℃预热处理1 h,再在800℃热处理5h,X射线衍射分析(XRD)分析表明形成了BaFe12O19磁性粒子,粒子尺寸为42.0nm,接近理论单畴尺寸40nm. 关键词:sol-gel法; 醇水比; 预热处理; 沉淀剂; 超细BaFe12O19磁粉; [全文内容正在添加中] ......
Surface and Texture Properties of Tb-Doped Ceria-Zirconia Solid Solution Prepared by Sol-Gel Method Feng Changgen1,Zhang Zhao2,Fan Guodong2 (1.State Key Laboratory of Prevention and Control...) Abstract:The three-way catalysts (TWCs) promoters Ce0.6Zr0.4-xTbxO2-y were prepared by sol-gel method. BET surface areas analysis indicated that an increase of the dopant Tb content from x=0.05 to x=0.15......
sol-gel法制备的SnO2-TiO2厚膜及其气敏特性研究刘萌萌,潘国峰,白卫芹,王其民河北工业大学微电子研究所摘 要:采用sol-gel法,以钛酸丁酯,四氯化锡为前驱体制备了不同掺杂量的Sn O2-Ti O2纳米粉末,样品经300,500,700和900℃退火后,利用浸渍提拉法,在Al2O3陶瓷管表面制备....关键词:sol-gel法;气敏传感器;TiO2厚膜;掺杂量;......
of different valence iodine on structure and activity of I-TiO2 photocatalysts synthesized by sol-gel method REN Jian-kun, CAO Jin-li, WANG Yu-ping, WANG Wei-an, PENG Pan-ying (School of Chemistry and Environmental Science, Nanjing Normal University, Nanjing 210097, China) Abstract: The different valence iodine modified TiO2 nanomaterials were prepared by the improved sol-gel method using KI......
State of the Art Treatment of Non-Ferrous Castings 3-in-1 Heat Treatment Systems Combine Foundry Processes Volker R.Knobloch1 (1.CEC- Consolidated Engineering Co., Inc., Kennesaw, Georgia, USA) 摘要... furnace immediately after pouring without the operations in stand alone machinery. This patented Sand Lion(R) 3-in-1 technology processes hot castings and carries out three (3) foundry processes......
Structure of BaLaxFe12-xO19/SiO2 Synthesized by Sol-Gel Method Wu Ze1,Han Zhidong1,Dong Limin1,Zhang Xianyou1 (1.College of Materials Science and Engineering, Harbin University of Science and Technology, Harbin 150040, China) Abstract:M-type hexaferrites BaLaxFe12-xO19 powders were synthesized by sol-gel method in the presence of SiO2 nanoparticles. The X-ray diffraction patterns......
Sol-gel derived HA/TiO2 double coatings on Ti scaffolds for orthopaedic applications XU W1, HU W Y1, LI M H1, MA Q Q1, P. D. HODGSON2,WEN C E2 1. Department of Applied Physics, Hunan University... (HA/TiO2) double layers were coated onto Ti scaffolds throughout for orthopaedic applications by sol-gel method. Differential scanning calorimetry (DSC), thermogravimetric analysis (TG) and X-ray......