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Bonding Energy and Growth Habit of Lithium Niobate Single Crystals Xue Dongfeng1,Zhang Xu1 (1.State Key Laboratory of Fine Chemicals, Department of Materials Science and Chemical Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian 116012, China) Abstract:On the basis of crystallographic structure of lithium niobate (LN), the bonding energy was quantitatively......
Excitation of Light-Induced Acoustic Waves in Doped Lithium Niobate Crystals Huang Wei1,Wu Zhongkang2 (1.Department of Basic, Beijing Institute of Civil Engineering and Architecture, Beijing 100044, China;2.Department of Physic, Nankai University, Tianjin 300071, China) Abstract:The phenomena of acoustic emission in doped lithium niobate crystals were observed in the process of light-induced......
XPS Study on Barium Lanthanum Magnesium Niobate单连伟,张显友摘 要:<正>Relaxor-type ferroelectric perovskites attract a lot of attentions due to their excellent dielectric and electrostrictive properties. (Ba,La)(Mg, Nb)O3(BLMN) ceramics were synthesized from oxides by sintering in airs using a conventional mixed oxide process. Thermogravimetry-differential......
XPS Study on Barium Lanthanum Magnesium Niobate Shan Lianwei1,Zhang Xianyou1 (1.Department of Materials Science and Engineering, Harbin University of Science and Technology, Harbin 150040, China) Abstract:Relaxor-type ferroelectric perovskites attract a lot of attentions due to their excellent dielectric and electrostrictive properties. (Ba,La)(Mg,Nb)O3(BLMN) ceramics were synthesized from......
Synthesis and X-ray Powder Diffraction Characterization of A New Niobate Crystal Ba4Na2VNb9O(30)张高科摘 要:A new niobate crystal Ba4Na2 VNb9O30 was synthesized in BaO-Na2O-V2O5-Nb2O5 system for the first time. Its shape, optical properties , melting point and chemical stability were studied. X - ray powder diffraction study determined that this compound......
Kinetic Mechanism in the Process of Carbothermal Reduction of Ferrum Niobate李解,李保卫,YANG Yong,HAN Jicheng,ZHAO Wenyu,ZHANG BangwenKey Laboratory of Comprehensive Utilization of Bayan Obo Multi-Metal Resources, Inner Mongolia University of Science and Technology摘 要:Ferrum niobate was synthesized by solid-phase sintering method in a vacuum carbon tube......
Photorefractive Properties of Potassium Lithium Niobate Crystals with CeO2 and Nd2O3 Sun Liang1,Liu Zhenhong2,Bi Jiancong2,Liu Bo2 (1.School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China;2.School of Chemistry and Environment Engineering, Harbin University of Science and Technology, Harbin 150040, China) Abstract:KLN and Ce:Nd:KLN crystals were grown......
Growth and Holographic Storage Properties of Sc, Fe Co-Doped Lithium Niobate Crystals郑威,张乃东,雷清泉摘 要:The holographic storage properties of Fe (0.03% (mass fraction) Fe2O3):LiNbO3 doped with Sc at different levels (0, 1%, 2%, 3%) were investigated. The Sc threshold concentration in Fe:LiNbO3 was implied to be about 3%(mole fraction) because O-H vibration......
Comparative study of 2mol% Li- and Mn-substituted lead-free potassium sodium niobate ceramicsDipti3,44. School of Physics & Material Sciences, Thapar University摘 要:The effect of Li and Mn substitution on the dielectric, ferroelectric and piezoelectric properties of lead free K0.5Na0.5Nb O3(KNN) was investigated. Samples were prepared using......
with increasing tin dioxide content. A typical relaxation behavior is observed, and all samples exhibit broad diffuse phase transition. Key words: strontium barium niobate ceramics; dielectric properties... Ai-dong, SHAO Qi-yue, TANG Yue-feng, WU Di, MAK C L, WONG K H, MIN Nai-ben. Structure and electrical properties of strontium barium niobate ceramics[J]. Mater Res Bull, 2002, 37(3): 503?513. [2......
