六方晶系

六方晶系Brillouin散射的旋转对称性

Rotation Symmetry of Brillouin Scattering for Hexagonal System

硫化镉（CdS）是一种受到广泛应用的宽带隙半导体材料，CdS晶体属于Ⅱ-Ⅵ族化合物中的六方晶系，具有六角纤锌矿结构。

CdS is a wide bandgap semiconductor material which is widespread application . CdS crystals belong to the hexagonal system of ⅱ - ⅵ compounds , with the hexagonal structure .

XRD物相分析，产物为六方晶系；

XRD shows that the product is ZnO with hexagonal structure .

结果表明ZnO为六方晶系纤锌矿型，粒子大小约为27nm。

The results indicated that the ZnO particles crystallized in the wurtzite phase with the particle size of 27 nm .

X射线衍射表明，其主物相仍然是六方晶系的微晶镁，晶胞常数与微晶镁相同。

XRD indicated that the main phase of the resulting microcrystalline Mg remained the hexagonal crystal structure and the lattice constants keep the same values with the pure microcrystalline Mg .

测试结果表明ZnO纳米棒为单晶，属于六方晶系，晶形很好，很少或者没有结构缺陷，具有沿[0001]方向择优生长的特征。

The results show ZnO nanorods possess a single crystal hexagonal structure . There is few or no structure defect . The growth direction of ZnO nanorods is [ 0001 ] .

由于MoS2与石墨都具有六方晶系的层状晶体结构，因此二者都有良好的润滑性能。

Molybdenum disulfide and graphite are both good lubricants because of their hexagonal crystal system .

采用碳还原剂控制法制备了六方晶系纤锌矿结构四脚状氧化锌晶须，使用硬脂酸溶胶凝胶（SOLGEL）燃烧法制备了球形氧化锌纳米晶体。

Tetrapod-shaped ZnO whiskers ( T-ZnO ) with the structure of hexagonal cross sections were prepared by using the control method of carbon-reducing agent . The spherical-shaped ZnO nanocrystals were synthesized by using stearic acid sol-gel combustion technique .

其结构与ASTM卡片记载的MgY4Si3O（13）的结构相同，属于六方晶系。

The structure of the luminophor is similar to that of MgY_4Si_3O_ ( 13 ) which is recorded on the ASTM card and belongs to hexagonal system .

XRD表明该催化剂载体主要物相为ZnO，其晶型为六方晶系，同时XRD显示催化剂经高温焙烧后，一部分ZnO和PdO发生作用，还原时形成Pd-Zn合金态；

The XRD analysis indicated that the major phase of its support was ZnO with hexagonal crystal form ; and also showed that a part of ZnO was interacted with PdO after high temperature calcining and formed Pd-Zn alloy state by reduction .

结果表明：产物均为六方晶系ZnO，形貌分别为直径约100~300nm，长度约450~900nm的棒状，和花瓣直径约为200nm的花状结构。

The results show that both of the two products are of hexagonal-phased ZnO . The particles sizes are 100 300 nm in diameter and 450 900 in length for rod-like particles and 200 nm in diameter for flower-like particles .

在600℃热处理得到单斜与六方晶系的混合La2O3纳米晶，随着热处理温度的升高，六方晶系所占的比例上升，850℃以上热处理时，得到纯的六方晶系。

Mixed La 2O 3 nanocrystals of monocline and hexagonal were obtained at 600 ℃ and completely transformed to the hexagonal phase when the heat treatment temperature raised above 850 ℃ .

推导出六方晶系光子晶格中非线性三能级的Landau-Zener隧穿模型，在特殊初值条件下将其转化为非线性二能级模型。

We first derive the Nonlinear three-level Landau-Zener model in photonic lattices for the case of hexagonal symmetry , and then simplify this model to a nonlinear two-level Landau-Zener model under certain initial conditions .

结果表明，MLDH及离子交换产物MLDH-FU是以六方晶系为主、混杂微量氧化铁的磁性复合晶相；

The results showed that MLDH and product MLDH-FU belonged principally to a six square crystal series ( R-space group ), were magnetic compound crystal phase mixed trace iron oxide .

一种六方晶系晶向指数标定的新方法

A New Method of Marking Indices of Crystallographical Orientation in Hexagonal System

具有六方晶系结构的多晶体材料弹性常数&Y弹性常数

Y elastic constants of polycrystalline materials with hexagonal system structure

弹性波只有在三方、六方晶系晶体的特殊方向或平面内传播时，慢度曲面方程才能够因式分解。

When the elastic wave transmitted in the particular plane or direction , the equation of slowness surface can be solved .

并采用六方晶系孪晶面的变换矩阵对孪晶电子衍射花样进行了标定。

The selected area electron diffraction ( SAED ) pattern of the twin was indexed by transforming matrix of hexagon crystal twin plan .

发现Al4C3相以孪晶方式存在，六方晶系中存在以（003）面为孪晶面，以[001]方向为旋转轴的180°二次旋转孪晶。

The twinned Al_4C_3 phases exist in hot-dip aluminized steel . In hexagonal system , there is 180 ° secondary rotation twin with ( 003 ) as twinning plane and direction as twinning axis .

将广义矢量法原理拓展到变轴比条件下的六方晶系材料，并建立了相应的数学模型。

The principle of the generalized vector method ( GVM ) has been extended to the hexagonal crystal system material under the conditions of variable axial ratio and the mathematical model on it accordingly established .