极化强度
- 名intensity of polarization;polarization
-
测量了极化强度P。
The remanent polarization ( P ) is measured .
-
XRD和AFM分析发现,随着退火气氛中氧成分含量的增加,BNT薄膜的结晶性逐渐提高,晶粒尺寸逐渐变大,剩余极化强度也逐渐增大。
The XRD and AFM results show that the crystallinity , grain size and remanent polarization increase with the increment of oxygen content in annealing atmosphere .
-
运用普通物理方法推导了极化强度矢量P与磁化强度矢量M的相对论变换式,并对P、M构成的相对论不变量进行了讨论,从而加深了对P、M这两个物理量的理解。
In this paper , the relativistic transformation of polarization vector P and magnetization vector M is derived by general physics methord , and the relativistic invariants containing P and M are discussed , therefore , the two vector P and M are understood clearly .
-
双层复合薄膜的极化强度和介电常数会随着P(VDF-TrFE)厚度增加而减小。
With increasing the thickness of P ( VDF-TrFE ), the remnant polarization , coercive electric field , leakage current density and dielectric constant of bilayer composites films all decreased .
-
从理论上研究了由于五阶极化强度间的干涉所导致的V型三能级系统相位共轭超快调制光谱学,考虑了抽运光束为窄带线宽或宽带线宽的情形。
The phase conjugate ultrafast modulation spectroscopy is studied theoretically due to the interference between fifth order optical polarization in a V type three level system , and considered the cases that the pump beams have either narrowband or broadband linewidth .
-
发现在激光未烧熔薄膜的能量密度下,经过激光作用后,PZT薄膜的铁电性能发生变化:在外加电压为6V时,剩余极化强度值Pr从32699μC/cm2变到26316μC/cm2;
It was found that when the laser energy density was lower than the damage threshold of the films , the ferroelectric properties of PZT thin films changed after laser thermal shock .
-
利用电子束轰击结合变温XRD分析发现在Schorl-dravite系列电气石中,产于伟晶岩的,结晶度比较高的Mg电气石或Fe电气石具有较高的自发极化强度。
It was found that the Schorl or dravite in schorl-dravite group that is produced from pegmatite and has good crystal degree had a strong intensity of spontaneous polarity by electron-beam bombardment and X-ray diffraction of varying the temperature .
-
8V时膜的有效介电常数Kef约1380,剩余极化强度Pr=13μC/cm2,与Pt衬底上无明显差别。
The remnant polarization ( Pr ) and effective dielectric constant ( Kef ) is about 13 μ C / cm 2 and 1 380 at 8V , respectively , it is most like PZT film on Pt .
-
铁电性的测试表明,通过La掺杂,使薄膜的介电性和铁电性得到了增强,剩余极化强度由0.15×10–6C/cm2增加到0.2×10–6C/cm2。
The results of ferroelectricity and dielectric property measurement show that the ferroelectricity and dielectric property are enhanced by La doping . Next , the remnant polarization is increased from 0.15 × 10 – 6 C / cm2 to 0.2 × 10 – 6 C / cm2 .
-
具有优异性能的多晶和外延的BFO薄膜已被激光脉冲沉积,磁控溅射以及化学气相沉积法制备成功,其剩余极化强度(Pr)达到了100μC/cm2。
Superior ferroelectric properties with the remanent polarizations ( Pr ) of about 100 μ C / cm2 have been observed in polycrystalline and epitaxial BFO films deposited using pulsed-laser deposition , sputtering and metal organic chemical vapor deposition .
-
其中,650℃退火温度下的BST薄膜在71.43kV/cm的测试场下具有比较高的剩余极化强度为1.3129μC/cm2,而且介电特性也比较好。
Of which , 650 ℃ annealing temperature of the BST films under the 71.43 kV / cm field test with a relatively high intensity of the remanent polarization 1.3129 μ C / cm2 , dielectric properties and also better .
-
用原子力显微镜观测了薄膜的表面形貌.结果表明,FN-DLC薄膜疏水性能主要取决于薄膜表面的化学结构、薄膜表面极化强度的强弱、以及薄膜的表面粗糙度的大小。
The Raman spectrum , infrared spectrum and X-ray photoelectron spectrum ( XPS ) demonstrate that the hydrophobic nature of FN-DLC films lies on chemistry structure , polarization intensity and roughness of films surface .
-
从物理概念出发,通过数学解析,在Kleinman对称性条件下,给出二次非线性极化强度与光电场强的关系,并推导出振幅耦合方程。
In this paper , by analyzing mathematically starting from physical concept , the relation between intensity of secondary nonlinear polarization and optico-electric field strength is presented under the condition of kleinman symmetrization , and the equation of amplitude coupling is deducted .
-
还测量了薄膜的铁电性质,发现在250℃烘烤温度下得到的薄膜具有最大的剩余极化强度,2Pr为284μCcm2.对实验现象进行了定性解释。
The ferroelectric properties were measured and it was found that the BLT thin film has the largest remnant polarization ( 2P r ) 28.4 μ C / cm2 prepared at a baking temperature of 250 ℃ .
-
研究了不同磁极化强度处理土壤对小麦生长的影响。
The effects of soil magnetization on wheat growth were studied .
-
研究发现内建极化强度方向和电场方向的不一致。
Inconsistency of the directions between build-in polarization and field is found .
-
自发极化强度的计算值与实验值较好的吻合。
The calculated spontaneous polarizations were in reasonable agreement with the experimental values .
-
讨论单轴晶体中三阶非线性自作用极化强度矢量的计算。
The third-order nonlinear polarization for self-interaction in uniaxial crystals is dealt with .
-
极化强度矢量与磁化强度矢量的相对论变换
The relativistic transformation of polarization vector and magnetization vector
-
基于极化强度叠加模型的高功率微波混合气体传播特性
Propagation characteristic of high power microwave in mixture atmosphere based on polarization superposition model
-
极化强度与电荷关系的讨论
On the relationship between polarization and charge
-
一种推导极化强度矢量■与磁化强度矢量■相对论变换式的新方法
A New Way of Deriving the Relativistic Transformation of Polarization Vector ■ and Magnetization Vector ■
-
有机酸盐离子晶体的倍频性能与二次极化强度方均值关系
Relationship between Frequency Doubling Property and Mear Square of Second Order Polarizability in Organic Ionic Crystals
-
计算结果显示剩余极化强度值随着压应力的增加而增加,随着张应力的增加而减小。
The simulated result shows that the remanent polarization increases with compressive , decrease with tensile .
-
离子极化强度及其作用
Ionic Polarization And Application
-
随着煅烧温度的升高,剩余极化强度逐渐升高,矫顽场强逐渐下降。
With the increasing of the calcine temperature , the surplus polarization increased and the coercive field decreased .
-
2.4&二硝基苯胺衍生物倍频性能与晶体二次极化强度方均值的关系
The Relationship between the Frequency Doubling Property of 2.4-Dinitroaniline Derivative and the Mean Square of Unit Second Order Polarizability of Crystal
-
电滞回线则表明,相比铁电体单层膜,超晶格极化强度有所降低,但薄膜的漏电性得到了很好的抑制。
Ferroelectric hysteresis loops show that , compared to the ferroelectric monolayer , superlattices have decreased polarization and lower leakage current .
-
在介质经典微观物理模型下对极化强度和磁化强度边值的关系推导和讨论
Deduction and Discussion on the Relation of Boundary Value Between Polarization Intensity and Magnetization Intensity Under the Microcosmic Physical Medium Model
-
此外,我们观察到顺电层中的场致极化强度与热动力学理论推导的结果产生了背离。
In addition , we observe that the field-induced polarization in para-electric layer deviates from the polarization derived by thermodynamic theory .