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退火温度和匀胶速率对SrBi_(3.88)Nd_(0.12)Ti_4O_(15)薄膜铁电性能的影响
引用本文:张丰庆,范素华,马建平,车全德,于冉.退火温度和匀胶速率对SrBi_(3.88)Nd_(0.12)Ti_4O_(15)薄膜铁电性能的影响[J].稀有金属材料与工程,2009,38(Z2).
作者姓名:张丰庆  范素华  马建平  车全德  于冉
作者单位:山东建筑大学,山东,济南,250101
基金项目:国家自然科学基金项目,山东省自然科学基金项目 
摘    要:用溶胶-凝胶法在Pt/Ti/ SiO_2/ Si基片上制备了SrBi_3.88 Nd_0.12 Ti_4O_(15)铁电薄膜材料,研究了退火温度和匀胶速率对铁电薄膜材料结构、铁电性能的影响.退火温度为750 ℃、匀胶速率为3000 r/min薄膜样品为纯的铋层状钙钛矿结构且没有其它杂相出现,a轴取向的晶粒较多,铁电性能较好,剩余极化强度和矫顽场分别为2P_r=26.7 μC/cm~2、2E_c=80 kV/cm.

关 键 词:退火温度  匀胶速率  铁电性能

Effect of Annealing Temperature and Spin-Coating Speed on Ferroelectric Properties of SrBi_(3.88)Nd_(0.12)Ti_4O_(15) Thin Films
Zhang Fengqing,Fan Suhua,Ma Jianping,Che Quande,Yu Ran.Effect of Annealing Temperature and Spin-Coating Speed on Ferroelectric Properties of SrBi_(3.88)Nd_(0.12)Ti_4O_(15) Thin Films[J].Rare Metal Materials and Engineering,2009,38(Z2).
Authors:Zhang Fengqing  Fan Suhua  Ma Jianping  Che Quande  Yu Ran
Affiliation:Zhang Fengqing,Fan Suhua,Ma Jianping,Che Qu,e,Yu Ran (Sh,ong Jianzhu University,Jinan 250101,China)
Abstract:Neodymium-doped strontium bismuth titanate (SrBi3.88Nd0.12Ti4O15,SNBT-0.12) thin films were prepared on Pt/Ti/ SiO2/ Si substrates by sol-gel method. Annealing temperature and spin-coating speed of the films on microstructure,growth behavior and ferroelectric properties of SNBT-0.12 films were investigated. The X-ray diffraction (XRD) patterns exhibited that no secondary phase (such as pyrochlore phase) could be found indicating that a pure SNBT-0.12 perovskite phase was obtained in the sample annealed at 7...
Keywords:annealing temperature  spin-coating speed  ferroelectric properties
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