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Ferroelectric properties of sol-gel derived Nd-doped SrBi4Ti4O15 thin films FAN Suhua1,WANG Peiji2,REN Yanxia3,ZHANG Fengqing1 (1.Department of Materials Science and Engineering, Shandong Jianzhu... bismuth titanate (SrBi4-xNdxTi4O15) ferroelectric thin films were fabricated using the sol-gel method on Pt/Ti/SiO2/Si substrates. The influence of Nd content on the microstructure and ferroelectric......
Preparation and characterization of SnO2-Li4Ti5O12 composite by sol-gel technique XIONG Li-zhi(熊利芝)1, 2 , HE Ze-qiang(何则强)1, 2, YIN Zhou-lan(尹周澜)2, CHEN Qi-yuan(陈启元)2 1. College of Biology... December 2009 _____________________________________________________________________________________________________ Abstract: SnO2-Li4Ti5O12 was prepared by sol-gel method using tin tetrachloride......
H2C2O4稳定剂对SOl-Gel法制备LiNbO3薄膜的影响 韩高荣1,翁文剑1,杜丕一1,张一兵2,叶志镇1,沈鸽1 (1.硅材料科学国家重点实验室,浙江大学材料系,浙江,杭州,310027;2.上饶师范学院化学系,江西,上饶,334001) 摘要:研究了分别以H2C2O4,HNO3,HCOOH和CH 3COOH作稳定剂的LiNbO3薄膜先驱液的稳定性,发现H 2C2O4作稳定剂的先驱液的稳定性最好;用sol-gel法在Si(110)基板上制备了以H2C2O4作稳定剂的LiNbO3薄膜,并对LiNbO3薄膜进行了IR,XRD和SEM表征,结果表明,生成的LiNbO3为多晶,与HNO3相比,以H2C2O4作稳定剂制备的LiNbO3薄膜形貌较差. 关键词:铌酸锂; 薄膜; sol-gel法; H2C2O4; [全文内容正在添加中] ......
Synthesis and characterization of metallic Pd embedded TiO2 nanoparticles by reverse micelle and sol-gel processing Jeoung-Ho JIN1, Min-Cheol CHU2, Seong-Jai CHO2, Dong-Sik BAE1... words: catalyst; nanomaterial; powder technology; sol-gel preparation ......
Sol-Gel法制备低阻In2 O3薄膜 陈丽华1,全宝富1,刘凤敏1,李爱武1 (1.吉林大学电子工程系,) 摘要:采用sol-gel法制备In2O3薄膜材料,研究了不同制备条件对薄膜电阻的影响;分别用XPS,XRD方法对材料进行了分析,确定了其结构和组成,并用此薄膜材料制作了直热式气敏元件,发现它对乙醇,丁烷气体具有较高的灵敏度. 关键词:sol-gel法; In2O3薄膜; 气敏特性; [全文内容正在添加中] ......
YZO薄膜的Sol-gel制备及其性能 肖宗湖1,郭米艳1,张萌1 (1.南昌大学材料科学与工程学院,南昌,330031) 摘要:采用Sol-gel法在普通载玻片上制备YZO薄膜.研究了陈化时间和Y掺杂量对薄膜晶体结构,表面形貌和光学性能的影响,并分析和探讨了工艺参数与结构和性能之间的关系.实验结果表明,YZO薄膜为纤锌矿结构,呈c轴择优取向生长,平均透光率(380~760nm)超过85%.实验还发现,陈化时间存在最优值,YZO薄膜随着Y掺杂量的增加晶体结晶质量下降. 关键词:Sol-gel法; YZO薄膜; 陈化时间; 透光率; [全文内容正在添加中] ......
Sol-gel法制备ZnO:Cd薄膜及性能研究 邓宏1,陈瀚1 (1.电子科技大学微电子与固体电子学院,成都,610054;2.四川机电职业技术学院,攀枝花,617000) 摘要:采用Sol-gel法使用旋转涂覆技术在Si(100)基片上生长了ZnO:Cd薄膜.XRD结果表明:ZnO:Cd薄膜具有与ZnO一样的六角纤锌矿结构,随热处理温度的升高,(002)衍射峰强度逐增,FWHM减小,并沿c轴择优取向生长;透射光谱实验表明:以石英为基底,适度掺镉可降低薄膜的禁带宽度Eg,特别是在800℃,8%Cd条件下,Eg=2.80eV,与纯ZnO的禁带宽度3.30eV相比,明显降低了光学禁带;光致发光谱(PL)实验表明:在吸收边附近均有较强的紫外发射峰,且随热处理温度升高呈规律的变化;电阻率测定表明:掺镉使薄膜导电性增强. 关键词:ZnO:Cd薄膜; 光致发光; Sol-gel法; 旋涂......
Absorption Property of YAG: Sm Phosphors Prepared using Sol-Gel Combustion Method Wang lixi1,Mu Lei1,Zhang Qitu1,Huang Yun1 (1.College of Materials Science and Engineering, Nanjing University of Technology, Nanjing 210009, China) Abstract:Samarium-doped yttrium aluminum garnet (YAG: Sm3+) phosphors were synthesized by nitrate-citrate sol-gel combustion method. Phase evolution, morphology......
Synthesis and Characterization of Er3+∶Y3Al5O12 Nanocrystalline Powders Prepared by Sol-Gel Method Song Jian'an1,Duan Xiulan1,Wang Lihua1,Yuan Duorong1,Shi Xuzhong1,Li Zhanfa1 (1.State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China) Abstract:Nano-sized Er3+∶Y3Al5O12 powders was successfully prepared via a simple sol-gel route at as low a temperature at 800......
