铁电体
- ferroelectric
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用溶胶凝胶法制备PZT铁电体薄膜
Preparation of PZT Ferroelectric Thin Films by the Sol-Gel Process
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当x值较大(或较小)时具有弛豫铁电体特征,相变弥散性较强;
The material has relaxation ferroelectric characteristics When x value is large ( or small ), and shows relatively strong disperse phase change .
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四方铁电体PbFe(0.5)Nb(0.5)O3精细结构的第一性原理研究
First-principles study on tetragonal ferroelectric structure of PbFe_ ( 0.5 ) Nb_ ( 0.5 ) O_3
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铁电体KDP软模时间分辨的冲击受激拉曼散射
Time Resolved Impulsive Stimulated Raman Scattering on KDP Soft Mode
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钙钛矿结构铌镁酸铅(PMN)是弛豫铁电体的典型代表。
Perovskite type lead magnesium niobate ( PMN ) is a relaxor ferroelectric .
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BaxSr((1-x))TiO3弛豫铁电体的制备及性能研究
Study of fabrication and the properties of Ba_xSr_ (( 1-x )) TiO_3 relaxor ferroelectric
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为了进一步测定采用模型与实验数据是否一致,我们还计算了铁电体BIT的晶胞参数值,计算结果与实验值吻合的较好。
To determine whether the model provided a good reproduction of the experimental data , the lattice parameters of BIT were examined , the calculations were in good accord with the experimental data .
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虽然SFM对铁电体压电系数的测量还不是十分精确,但它为我们提供了一种检测薄膜表面亚微米尺
Though the SFM measurement of piezoelectric constant is not accurate enough , it supports
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一般,只有当磁性铁电体的磁尼尔温度TN接近其铁电居里温度T(FE)时,铁电序参量和磁序参量才有磁电耦合效应。
In general , the magnetoelectric coupling between ferroelectric order parameter and magnetic order parameter takes place when the magnetic Neel temperature ( Tn ) is close to the ferroelectric Curie temperature ( T_ ( fe )) .
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BaTiO3铁电体辐射效应的分子动力学模拟
Molecular Dynamics Simulations of the Radiation Effects in BaTiO_3 Ferroelectrics
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给出了该AFM所测得的纳米铁电体、电老化绝缘纸、羟丙基-β-环糊精、卟啉等样品的表面形貌图,详细分析及应用介绍。
This paper also gived surface images of nano-electric body , electrical aging insulating paper , hydroxypropyl - β - cyclodextrins , porphyrin samples , as well as detailed analysis and application introduction .
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铁电体SrBi2Nb2O9电子能带结构的第一性原理研究
Electronic band structure of ferroelectric SrBi_2Nb_2O_9
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压力对多晶PbMg(1/3)Nb(2/3)O3铁电体弥散相变的影响
The effect of pressures on the diffuse phase transitions of polycrystal ferroelectric pbmg_ ( 1 / 3 ) nb_ ( 2 / 3 ) o_3
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基于铁电体理论,本论文研究了BST介质材料的介电性能、频率性能等物理特性及其与材料元素的组分、晶格结构等的关系;在此基础上,进行了BST材料的制备工艺研究;
The relationship between the physical and the composition of the material and crystal lattice structure of the BST material was researched in this essay based on the dielectronic theory and the whole process .
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在掺杂量大于0.75以后,SBNT-x样品出现驰豫铁电体的典型特征。
When doping content was over 0.75 , the SBNT-x showed typical relaxor characteristics .
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钒酸钙晶体(Ca3(VO4)2)是目前少有的几种高居里点铁电体之一,铁电相变温度为1110℃。
The Ca3 ( VO4 ) 2 crystal is one of ferroelectricity crystal with a high Curie temperature , Tc , of 1100 ℃ .
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由于其与半导体在结构上有很大差异,不可避免的会产生界面反应和某些致命缺陷,从而极大的限制了ABO3型钙钛矿铁电体在集成领域中的应用。
Because of its very different from semiconductor in structure , the inevitable interface reaction and some fatal flaw can greatly limit their application .
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采用NaCl和Na2CO3作复合助熔剂,结合回熔、坩埚套装方法,在高纯氧化铝刚玉坩埚中生长出毫米大小的常温反铁电体NaNbO3晶体;
NaNbO_3 crystals , several millimeters large in size , have been grown successfully in corundum crucible with high purity , which is attributed to a combination of composite fluxes of NaCl and Na_2CO_3 , melt-back process and imbedded crucibles .
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由于铁电体具有较强的极化电场和高介电常数,GaN基金属-铁电体-半导体(MFS)结构的电容-电压特性与其他GaN基MIS结构相比较得到了显著的提高。
Because of the polarization field provided by ferroelectric and the high dielectric constant of ferroelectric insulator , the capacitance voltage ( C V ) characteristics of GaN based metal ferroelectric semiconductor ( MFS ) structures are markedly improved compared with that of the previously studied GaN MIS structures .
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钛酸锶铅是近十几年来发展起来的一种具有NTC-PTC复合特性的新型铁电体半导体材料。
( Sr , Pb ) TiO_3 is a new pattern ferroelectric semiconducting ceramics with NTC-PTC composite effects which has been found in recent ten years .
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近年来,铋系层状铁电体(BLSFs)由于其相对较高的居里点和出色的抗疲劳特性,可能潜在应用于高温压电器件及铁电随机存储器而引起人们越来越多得研究兴趣。
In recent years , the family of bismuth layer-structured ferroelectrics ( BLSFs ) has attracted much attention for their potential use in high temperature piezoelectric devices and ferroelectric random access memories ( FeRAMs ), because of their relatively high Curie point and excellent fatigue endurance property , respectively .
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钙钛矿型化合物形成铁电体或反铁电体的规律
Rule of formation of ferroelectrics or antiferroelectrics in perovskite type compounds
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论述了铁电体的基本原理和发展过程以及铁电体在商业上的潜在价值。
This article is about the application and development of ferroelectrics .
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氢键铁电体相变的格林函数理论(Ⅰ)
Green 's function theory of phase transitions in hydrogen-bond ferroelectrics (ⅰ)
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钙钛矿型化合物中铁电-反铁电体存在的稳定区域
Distributive region of ferro - and antiferroelectrics with perovskite type structure
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扫描探针显微镜研究弛豫铁电体电畴生长
Scanning Probe Microscopy Study of the Domain Growth in Relaxor Ferroelectrics
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通过引入金属桥箔电阻非线性变化的FIRESET模型,考虑回路电感及回路电阻,计算了负载为铜桥箔时的铁电体的电响应。
The non-linear resistance model was used for the metal bridge foil .
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弛豫铁电体PMN-PT:先驱体法制备及表征
Preparation and Characterization of PMN-PT Relax Ferroelectric Powder by Columbite Precursor Method
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回热损失对铁电体斯特林制冷循环性能影响
The Effect of Regenerative Losses in Ferroelectric Stirling Refrigeration Cycle
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飞秒脉冲激光在铁电体中的冲击受激拉曼散射
Impulsive Stimulated Raman Scattering of Femtosecond Pulse Laser in Ferroelectrics