【摘 要】
：
SrBi2.2Ta2O9(SBT) thin film with thickness of 2 μm was successfully prepared by sol-gel method, using strontium acetate semihydrate [Sr(CH3COO)2·1/2H2O] and b
【机 构】
：
Department of Materials Science and Engineering
论文部分内容阅读
SrBi2.2Ta2O9(SBT) thin film with thickness of 2 μm was successfully prepared by sol-gel method, using strontium acetate semihydrate [Sr(CH3COO)2·1/2H2O] and bismth subnitrate [BiO(NO3)], and tantalum ethoxide [Ta(OCH2CH3)5] as source materials, glacial acetic and ethylene glycol as solvents. The X-ray diffraction(XRD) and transmission electron microscope(TEM) results indicate that SBT layer-perovskite phase obtained has to be single phase, SBT thin film is formed after being annealed at 800 ℃ for 1 min. The typical hysteresis loop of SBT thin film on Pt/Ti/SiO2/Si is obtained, and the measured polarization value of the SBT thin film is 4.2 μC/cm2.
其他文献
The curve of relationship between fatigue crack growth rate and the stress strength factor amplitude represented an important fatigue property in designing of d
We report ab initio UMP2 calculations of the reaction of CN with HNCO using 6-311G(d,p) basis sets.The obtained results show that the reaction has two product c
In order to obtain the optimal parameters of anchor bolt supporting system for large-span and jointed rock mass in Kaiyang Phosphor Mine, it is expensive and un
The SrTiO3 (001) substrates treated by chemical etching in NH4F-buffered HF solution and annealing in oxygen ambient have been studied by an atomic force micros
Firstly, the cross large deflection equation of circular thin plate with variable thickness in rectangular coordinates system was transformed into unsymmetrical
Reliable turbulent channel flow databases at several Reynolds numbers have been established by large eddy simulation (LES), with two of them validated by compar
A multisensor image fusion algorithm is described using 2-dimensional nonseparable wavelet frame (NWF) transform. The source multisensor images are first decomp
主要对一般情形、含无风险资产和含外生负债三种情况下的TSF模型用直观解法求解,并对其最优解、可行解的存在性条件进行详细讨论,另外还提出一些值得进一步研究的问题.
With the help of an electromagnetic stirring device, alloy melt quenching and EBSD (electron back scatter diffraction)analysis technology, the microstructure of
The austenite medium Mn steel modified with controlled additions of Ca, Y, Si were directionally solidified using the vertical Bridgman method to study the effe