压电系数

干涉法测量Zn（SCN）2·2H2O晶体的压电系数和电光系数

Measuring piezoelectric coefficients and electro-optic coefficients of Zn ( SCN ) _2 · 2H_2O crystal by interferometry

光折变晶体Ce：BaTiO3电光和压电系数的测量

Measurements of electro optic and piezoelectric coefficients in photorefractive ce : batio 3 crystal

La3Ga5SiO（14）晶体压电系数的温度特性

Temperature Properties of Piezoelectric Constant of La_3Ga_5SiO_ ( 14 ) Piezoelectric Crystal

传统上，ZnO是一种具有很大压电系数的压电材料。

Traditionally , Zincoxide is a piezoelectric material which has a reasonably large piezoelectric coefficient .

用ATR法测量晶体的压电系数和电光系数

Measurement of piezoelectric and electro-optical coefficients of crystal with ATR method

光折变晶体Sr（0.6）Ba（0.4）Nb2O6压电系数和电光系数的测量

Measurements of The Piezoelectric and Electro-optic Coefficients of Photorefractive Crystal Sr_ ( 0.6 ) Ba_ ( 0.4 ) Nb_2O_6

Hg（C4H8N2S）3Cl2晶体压电系数的测量

Measurement on Piezoelectric Constants of Hg ( C_4H_8N_2S ) _3Cl_2 Crystal

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

结果表明，在具有纤维锌矿的II-VI族化合物中，ZnO明显具有最高的弹性系数和压电系数，以及最大的电光系数。

It is shown that among the II-VI compounds ZnO has the highest elastic constant , piezoelectric constant , and electro-optic coefficient .

研究发现，ZnO纳米线的等效压电系数随着直径的增加而增大，但至少在本文计算能力所能达到的范围内数值上要远低于相应的体块值。

The effective piezoelectric constant of ZnO nanowires is found to increase with increasing diameter , but the values are much smaller than that of bulk ZnO , at least in the limited size studied in the present calculations .

经压力膨化处理后，以正逆压电系数d33测量研究了一种经无栅电晕充电的国产商用聚丙烯蜂窝膜（cellularPP，商品名PQ50）驻极体的压电性。

The piezoelectricity of a pressure-treated cellular PP ( commercially available , trade name PQ50 ) film electret was studied by measurement of direct-piezoelectric and inverse-piezoelectric coefficient d_ ( 33 ) .

晶粒尺寸增加，多孔PZT陶瓷的介电常数、压电系数和优值增加，并可用Okazaki空间电荷理论解释晶粒尺寸对试样介电和压电性能的影响。

An increase in grain size increases the dielectric constant , piezoelectric coefficient and hydrostatic figures of merit , which can be explained by the Okazaki space-charge theory .

具有闪锌矿结构的II-VI族化合物的压电系数明显低于纤维锌矿结构约一个数量级。

The piezoelectric constants of the II-VI compounds with zinc-blende structure are almost one order smaller than that of the materials with wurtzite structure .

当薄膜的厚度继续增加至12个Zn-O双层（约2.9nm）时，其等效压电系数可超过体块值11%以上。

And the piezoelectric response can be 11 % higher than the bulk value when the number of the Zn-O double layers is increased to 12 .

经过优化工艺参数压力膨化处理后的PQ50蜂窝膜呈现600pC/N以上的准静态压电系数，这一量值约为PVDF相关系数的40倍。

The sample expanded with optimal parameters has a quasi-static piezoelectric coefficient d_ ( 33 ) of up to 600pC / N , which is about 40 times higher than that of PVDF .

氮化铝（AlN）是一种宽禁带半导体材料，具有禁带宽度大、电子迁移率高、硬度高、导热率高、耐高温、压电系数大、表面声速高、化学性质稳定等一系列优点。

Aluminum nitride ( AlN ) is a wide bandgap semiconductor , which has some excellent properties such as large bandgap , high electron mobility , high hardness , high thermal conductivity , resistant to high-temperature , high piezoelectric coefficient , high surface acoustic velocity and high chemical stability .

而通过将单层PQ50蜂窝膜驻极体粘贴形成合理的多层结构，得到的复合膜系压电系数d33高达2010pC/N，约为PZT压电陶瓷相应系数的3倍。

While the hybrid multi-layer system by properly combining single-layer cellular PP film electret shows a quasi-static piezoelectric coefficient d_ ( 33 ) as large as 2010pC / N , which is around 3 times of that of well-known PZT ceramics .

水对生物驻极体猪骨压电系数d（33）测量影响的研究

Study of water on piezoelectric coefficient d ( _33 ) in pig bones

由布里渊散射实验可以得到晶体弹性及压电系数。

The elastic and piezoelectric constants of crystal can be obtained by Brillouin scattering .

聚丙烯蜂窝膜驻极体压电系数的测量及压电性的改善

The measurement of piezoelectric coefficient for PP cellular electret and the improvement of its piezoelectricity

最优化方法在拟合正交系晶体弹性及压电系数中的应用

Application of Unconstrained Optimization in the datum Fitting for the Elastic Elastic and Piezoelectric Constants of Orthogonal Crystal

电子极化对氟化钙离子晶体的弹性系数、压电系数和介电常数的影响

The contribution of the electronic polarization to the elastic and piezoelectric constants and the dielectric tensor for the calcium fluoride crystal

结果表明：提高压电系数，特别是d（31），可以显著提高马达定子的表面质点位移，进而提高驱动效率；

The simulation result indicates that the increase of the piezoelectric constant ( especially the d_ ( 31 )), can increase the vibration displacement of the stator considerably ;

该方法可同时测量压电系数和电光系数，测量灵敏度高，样品结构简单，实验装置简便，所需的测量电压低。

Both piezoelectric coefficient and electro-optical coefficient can be synchronously measured by this method . The measuring setup has the advantages of high sensitivity , simple structure and low measuring voltage .

以栅控电晕充电，等温表面电位衰减和准静态压电系数测量研究了这类复合膜的电荷稳定性及压电活性。

By corona charging , isothermal surface potential decay and quasi - static direct piezoelectric coefficient measurements , the charge stability and the piezoelectricity of the compound electret film were studied .

选择两个不同阶导模的工作角，施加电压分别测出反射光强的变化，可得到压电系数和电光系数。

By selecting an operating angle with two different modes , applying proper voltage and measuring the variations of reflective light , the piezoelectric coefficients and electro-optical coefficients can be obtained .

讨论了界面刚性线长度，两种材料的剪切模量比和压电系数比对位错力和刚性线表面剪应力的影响规律。

The influence of the rigid line size and the shear moduli to piezoelectric coefficients ratios upon the image force and the shear stress on the surface of the rigid line is discussed and shown in graphs .

HFP含量为4.7%的共聚物薄膜具有高达133pm/V的逆压电d33系数。

The copolymer in which the HFP content is 4.7 % has a notable converse coefficient as high as 133pm / V.

利用点电晕充电，接触法充电和动态压电d33系数测量研究了上述2种不同充电方法对SHD50膜压电性的影响。

The influence of different charging method on the piezoelectricity was studied by corona charging , contact charging and dynamic d_ ( 33 ) coefficient measurement .

实验结果还表明：聚丙烯孔洞膜的压电d33系数的热稳定性与非孔洞型聚丙烯驻极体薄膜的电荷储存热稳定性相近。

The thermal stability of such cellular PP ferroelectret film is similar to that of solid PP film electret .