A graphic determination of the drift constants in Debye Scherrer photographs and the accurate evaluation of lattice constants 德拜-谢乐照相中测定流移常数的图解法与点阵间隔的准确测定
It is found that the waveguide layer contains uniformly distributed three dimensional strains and the variation of lattice constants in the waveguide depends closely on the waveguide orientation. 结果表明,波导层内含有均匀分布的三维应变场,晶格常数的变化随着波导取向的不同而呈现各向异性特点。
The dependence of structural parameters including lattice constants, rhombohedral angle, and atomic coordinates on pressure was also studied. 对锗R8相结构参数的压力依赖性也进行了研究,包括晶格常数、伞状角、原子位置参数随压力的变化情况。
For rutile and anatase, the calculated band structures, equilibrium and lattice constants are in good agreement with other recent calculations and with experiment data. 对于金红石和锐钛矿TiO2,计算得到的带结构、平衡晶格常数等与报导的研究结果符合的很好。
A Calculation of Lattice Constants of Metals at Various Temperatures by the Approximate Eigenfunctions of Electrons in a Crystal 用晶体的电子近似本征函数计算金属在不同温度下的晶格参数
The study on phase transformation and lattice constants for PZT film PZT薄膜的相转变与晶格参数的研究
Resonant modes in quantum well structure composed of photonic crystals with different lattice constants 不同晶格常数光子晶体构成的光量子阱中的共振模
The lattice constants, absorption spectra and infrared spectra were measured. 测试了晶体的晶格常数、吸收光谱和红外光谱。
In present paper, the thermal expansion mechanism of cordierite is discussed. According to the properties of the elements, the effects of doping on the lattice constants and the thermal expansion coefficients along crystal axis a and c are then described in detail. 本文阐述了堇青石晶体的热膨胀机理,按照元素的性质详细叙述了各类元素的掺杂对堇青石的晶格常数和沿α堇青石两个晶轴a、c方向热膨胀系数的影响。
In this paper, a general calculating method for indexing the X-ray powder diffraction patterns of any compound of unknown system and for calculation of lattice constants is presented by using all available diffraction data. 本文提出了利用未知晶系的多晶X射线衍射原始数据进行指标化和求解晶胞参数的通用计算方法。
Calculation of Lattice Constants and Charge Transfer of FeNi Alloy by an Improved Embedded Method 一种改进的嵌入原子法在FeNi合金晶格常数和电荷转移中的计算
The results indicate that with the augment of the x values the crystal lattice constants and thermal stability increased. 粉末X射线衍射结果表明随着x值的增大,固溶体AMT晶格常数线性增大、热稳定性越高。
Using the program we have obtained the equilibrium lattice constants and bulk moduli of elemental semiconductors Si and Ge. 利用该程序,我们得到了基本半导体Si和Ge的平衡晶格常数和体模量。
Structure and different lattice constants. 结构的单一固溶体相,而晶胞常数有所不同。
It is shown that these parameters are defined completely by the lattice constants and the effective core region radii which can be evaluated by the self-consistent atomic calculation in Kohn-Sham theory. 这个方法表明,晶体中的空球参数完全由实原子的有效芯区半径和格常数决定。而有效芯区半径可以方便地由原子问题的Kohn-Sham方程自洽解得到。
We have also determined the chemical compositions, infra red spectrum, CO2 indexes, lattice constants and specific surfaces etc. 又分别测定了这两种矿的组成、红外光谱、二氧化碳指数、晶格常数和比表面积等。
When the lattice constants and the filling fraction are fixed, the band gaps are primarily influenced by the radii of the ellipsoid. 结果表明:当晶格常数和填充率确定时,禁带受到椭球半径的影响;
The relationship between lattice constants and temperature in EET 余氏理论中晶格常数与温度的关系
Study on composition and lattice constants of mg: linbo_3 crystal Mg:LiNbO3晶体组分和点阵常数的研究
The phases in the alloys and their lattice constants were analysed by X-ray diffraction. 用X线衍射分析了合金中的相并测定其点阵常数。
The effects of cathode current density on the crystal size, preferred orientation, micro stresses and lattice constants were studied by X-ray diffraction ( XRD). 用X射线衍射(XRD)研究了阴极电流密度对TiB2镀层晶粒尺寸、择优取向、微观应力及晶格常数的影响。
The optimal lattice constants, bulk modulus, melting point and the surface energies of wurtzite GaN obtained by using this model agree well with those from experiments or DFT calculations. 对GaN紧束缚势模型的测试表明利用该势模型计算的纤锌矿GaN晶体的晶格常数、体弹性模量、熔点和表面能与实验值或密度泛函计算值相吻合。
Residual stress and texture, which are intrinsic properties of thin film material, can greatly affect PZT phase transition behavior and lattice constants. 残余应力及织构是薄膜的内在属性,其对铁电薄膜相变行为及晶格常数均具有重要影响,因而薄膜材料为Pb(Zr1-xTix)O3准同型相变的研究提供了一个良好的平台。
The grain size of the powder, lattice constants, crystallinity were calculated; The endothermic and exothermic process and microstructure were investigated. 计算了多晶料的晶粒大小、晶格常数、结晶度;分析了吸热放热过程和显微形貌。
The calculated lattice constants is in good accord with the experimental results. 计算晶格常数与实验结果匹配。
The lattice constants of the crystals were calculated. Segregation coefficients were measured by X-ray fluorescence analysis method. 用X射线荧光法测量了晶体中的组分,并计算了各离子的分凝系数。
The magnetic moments, lattice constants, and total energies as function of pressure are calculated. 我们计算了磁矩、晶格常数和能量等参量与外压大小的函数关系。