The E 2 phonon from hexagonal phase can be used to identify the hexagonal phase. 其来自六方相GaN的E2声子模,可作为识别立方GaN中六方相的标志。
Hexagonal Iron Phase Study in Aluminum-Silicon Alloy 铝硅合金中的六角形铁相
The powder X-ray diffraction pattern and EDX indicated that the product was pure hexagonal phase copper sulfide nanorods. X射线粉末衍射和能量散射X射线能谱分析证明,产物为纯六角相的硫化铜。
Hexagonal metastable phase in fe-12.6 at% b alloy produced by splat-melting 液态急冷Fe-12.6at%B合金中的六角亚稳相
The as-grown samples were characterized by X-ray diffraction and Raman scattering, and their characteristic peaks show that the as-grown ZnO whiskers have an excellent hexagonal wurtzite phase and ( 001) orientation. X射线衍射和拉曼光谱分析结果表明,生长的ZnO晶须结晶良好,具有六方结构,沿(001)方向有明显的择优生长取向。
The result shows that the hexagonal particle without impurity phase is formed with high crystallization. The particle size is less than 13.0 μ m and the average size is 3.7 μ m. Process variables provided is of practical value to industrial production of Mg-Al hydrotalcite. XRD和SEM结果表明无杂相生成,产品结晶度高,呈六边形,粒径13.0μm,平均粒径约3.7μm,提供的工艺参数对于镁铝水滑石的工业生产具有一定的实用价值。
It is found by XRD analysis that the alloy mainly consists of C14 Laves phase with hexagonal structure and V-based solid solution phase with BCC structure. The rapid solidification leads to the decrease in content of the C14 Laves phase in the alloy. XRD研究表明:合金主要由六方结构的C14Laves相和体心立方结构的钒基固溶体相所组成,快速凝固减少了合金中C14Laves相的含量。
The sample consists of disordered hexagonal 2:17 phase ( TbCu_7-structure) coexisting with FeNi. 样品由六角结构无序型的2∶17主相及少量FeNi合金杂相组成。
XRD test showed that a hexagonal perovskite phase was formed after the precursor treated at 800 ℃ for 3 h. XRD测试表明:前驱体800℃处理3h,已形成六方钙钛矿结构。
It is found that the cubic phase InN was grown at initial stage of growth, but the transition from cubic phase InN to hexagonal phase InN occurred with increase of the thickness of InN epilayer. 发现在生长的初始阶段,所生长的InN属立方相,但随着外延层厚度的增加出现了InN层由立方相向六角相的相变。
Glancing Angle X-ray Diffraction ( GAXRD) showed that the addition of cerium transformed the phase from monoclinic zirconia to hexagonal zirconia, while no phase transformation occurred as a result of niobium ions implantation, no matter how much the dose of implanted niobium ions was. GAXRD分析显示,铈离子注入促进了氧化锆由单斜相向六方相的转变,但铌离子注入却对氧化锆相的转变没有影响。
The hexagonal metastable phase formed in an amorphous Ni-P Alloy during crystallization(ⅲ) hexagonal polytype 非晶Ni-P合金晶化过程中生成的六角亚稳相(Ⅲ)六角多型体
We postulate that the permeability of liposomes is correlated with lipid polymorphism: when bilayer changing into hexagonal II phase transition takes place, the permeability of liposomes is increased. 据此,我们认为:脂质体的通透性与脂的多型性密切相关,当发生L→HⅡ相转变时,脂质体的通透性增加。
The DSC spectra for heat treated UHMWPE fibers showed that the area of melting peaks demonstrating the transition from orthorhombic phase to hexagonal phase was increased in some degree, and the tensile strength of the fibers was increased by 31. 1%. 经热处理的UHMWPE纤维的DSC图谱表明,代表正交晶相向六方晶相转化的熔融峰面积均有所增大,同时纤维的拉伸强度均有提高,提高幅度达31.1%。
Hexagonal phase mesoporous silica was prepared using C_ ( 16-2-16) as template. When when the ratio of C16-2-16 to sodium silicate is in the range: 0.08:1-0.16:1, highly ordered silica was synthesized. 用C(16-2-16)作模板剂合成介孔二氧化硅时,如果表面活性剂与硅源的比例在0.08:1~0.16:1之间,则合成产物为六角相的MCM-41结构。
The results demonstrate that the spherical CdS particles with mixed crystal phase but hexagonal structure as the primary phase were uniformly deposited not only on the ITO/ TiO2/ CdS film surface but also inside the ITO/ TiO2 substrate. 研究结果表明,在ITO/TiO2表面沉积的CdS粒子具有六方结构为主的混合晶相结构,球形粒子均匀沉积于ITO/TiO2多孔纳米晶薄膜的内部及表面。
The results show that the CuS microspheres are hexagonal phase. It is also demonstrated that the morphology of the products are greatly influenced by different sources of sulfur, reaction time and reaction temperature. 结果表明,产品为六角相CuS,硫源以及反应时间、反应温度对产品形貌和尺寸都有影响。
While the E1 ( TO) which can merely exist in the hexagonal phase is only observed in S3, that is to say, S3 is of the hexagonal phase, which is in accordance with the former deduction. 而E1(TO)模式仅在S3中观察到,这种模式仅存在于六方结构中,这与S3是六方结构相符合。
Zinc sulfide is an important kind of ⅱ-ⅵ compounds, existing cubic phase of sphalerite structure and hexagonal phase of wurtzite structure in nature, with the wide band gap of 3.66 eV and 3.8 eV, respectively. ZnS是Ⅱ-Ⅵ族重要的一种化合物,自然界中存在具有闪锌矿结构的立方相和纤锌矿结构的六方相两种变形体,其对应的禁带宽度分别为3.66eV和3.8eV。
The shock-induced phase transformation and micro-mechanism of single crystal iron from the body-centered cubic phase to hexagonal close-paced phase have been investigated by means of molecular dynamics ( MD) simulation, Voter-Chen EAM potential has been used to study the shock-induced phase transformation of iron. 利用分子动力学计算模拟方法对单晶铁在冲击波压缩下,由体心立方(BCC)结构到六角密排(HCP)结构的相变过程及微观机理进行了分析研究。
The used ionic liquid contributed to the formation of hexagonal phase CdS nanocrystals, and its ratio played an important role in determining the ultimate morphology of products. 所用的IL有利于六方相CdS纳米晶的形成,而且IL与十六烷基胺的比率对产物的形貌也起到了重要的作用。
As-prepared ZnO were mainly hexagonal phase spherical nanoparticles with average diameter around 13 nm. 得到的氧化锌主要为平均粒径约13nm的六方相圆形纳米颗粒。