晶格常數 的英文怎麼說
中文拼音 [jīnggéchángshǔ]
晶格常數
英文
crystallographic lattice constant-
However, it is not easy to incorporate large n concentration in gap due to the large differences in lattice structure ( gan belongs to wurtzite structure while gap zinc blende structure ) and in lattice constant ( ~ 20 % ) between gan and gap, which will lead to an extremely large miscibility gap
然而要在gap中實現高濃度的摻氮並不容易。這主要是由於gap和gan之間較大的物理特性的差異,特別是晶格結構和晶格常數的差異,使得gap和gan存在較大的可混溶性間隙,從而難以生長高質量的高摻氮的gap材料。The lattice parameters can be extrapolated according to x - ray spectra
Xinzte4晶體中不同相的晶格常數。Affect on magnons energy spectrum of ferrimagnetism two - dimensional rectangle lattice by lattice coefficient
晶格常數對亞鐵磁性二維長方晶格磁振子能譜的影響The lattice dynamics of the ferroelectric semiconductor snte
的晶格常數及磁性質的影響By home analyzing the experiment result, we think that the covalent bond is more than the electrovalent bond in y - fe _ ( 2 ) o _ ( 3 ) crystallites. it is the dominating reason that the dependence of y - fe _ ( 2 ) o _ ( 3 ) crystallites grin size on lattice constant is differ from one of the ionic crystallites
通過對實驗結果的進一步分析,我們認為其主要原因是在丫一fezo3中原子之間結合的共價性超過了離子性,因而導致了它們的晶格常數隨晶粒線度的變化趨勢和離子晶體正好相反。During the calculation of crystallography, we always need to make some calculation such as vector length, angle between vectors or planes etc. this is a group of scilab functions which can make some common calculation
晶體學計算過程中經常需要計算矢量長度、矢量夾角等。此scilab工具箱提供了一組適用於任何晶體結構的函數,可以在輸入晶格常數的前提下,計算一些常用的晶體學數據。Of photonic crystals with different lattice constants
不同晶格常數光子晶體構成的The theoretical results are in good agreement with the experimental ones qualitatively. however, as to y - fe _ ( 2 ) o _ ( 3 ) nanocrystallites, the lattice constant increases with the decreasing of the grain size. it is opposite to the result of ionic crystallites
然而,丫一f勺偽納米微粒的晶格常數隨著晶粒線度的減小而增大,與我們實驗和理論中對離子晶體所討論的結果恰好相反。The phase structure, the lattice constant, crystal grain diameter of the samples was obtained by the x - ray diffractions ( xrd ) spectra. their relations are showed respectively. influence of grain size on the lattice constant of several kind of phase structure was studied theoretically by interaction energy between atoms in nanocrystallites
其次,從結合能的角度出發,研究了nacl結構和cscl結構的離子晶體,面心立方( fcc ) 、體心立方( bcc )金屬晶體以及簡立方( scc ) 、面心立方( fcc ) 、體心立方( bcc )結構分子晶體的晶粒線度對晶格常數的影響。The factors affecting the in - plane thermal conductivity of thin films discussed include the mass of particles, the well depth, and the lattice constant, etc
從粒子質量、勢阱深度、晶格常數的變化等方面討論了其對薄膜兩種材料的切向導熱系數的影響。The lattice parameters a, c and c / a of p phase are found to change linearly with x
發現p相的晶格常數a和。及。 a與組分x符合線性關系。Therefore, we deduce that the lattice constant of the covalent nanocrystallites will increase with the decreasing of the grain size
由此我們推斷共價結構納米微粒的晶格常數隨著晶粒線度的減小而增大。The lattice parameter of obtained ultrafine ni powders is 0. 35288nm which is larger than that of the perfect ni single crystal
Xrd精確測定所得超細鎳粉的晶格常數為a = 0 . 35288nm ,比完整ni單晶的晶格常數大,晶格發生了膨脹。It was found that the lattice constant increased with the decreasing grain size of some nanocrystallites, while some changed inversely
在關于納米微晶的研究中,人們發現有的材料的晶格常數隨著晶粒線度的減小而增大,有的材料的晶格常數隨著晶粒線度的減小而減小。Furthermore, reaction thermodynamics, reaction mechanism and forming mechanism of crystal were analyzed. the crystal lattice constants of production were also calculated
此外,對反應熱力學、反應機制、晶體的形成機理等方面進行了理論分析,並計算了部分產物的晶格常數。The pure sample with spinel structure can be easily prepared by optimizing the processing parameters. the typical product is limnio4 with the cell constant a = 8. 235 and the powder size belongs to nanometer and sub - micrometer
表明用改進的檸檬酸配合法可以合成出單相正尖晶石limn _ 2o _ 4 ,其典型的試樣組成為limn _ 2o _ 4 ,晶格常數= 8 . 235 ,粒度大小為納米級。Srtio _ 3 ( sto ) thin films exhibit a large electric field dependence of dielectric permittivity. the microwave surface resistance of yba2cu3o7 - x ( ybco ) is much lower than that of the normal conductor. the typical value of rs for ybco epitaxial thin film is smaller than 1 m
在低溫下, srtio _ 3 (簡寫為sto )薄膜具有強烈的非線性介電性質,即:介電常數隨外加直流電場變化而變化; yba2cu3o7 - x (簡寫為ybco )具有極低的微波表面電阻, rs ( 10ghz , 77k ) < 1m ,而且它們的晶體結構相似,晶格常數匹配以及化學性質相容。The investigation of structure by x - ray diffraction shows that crystal parameters changes clearly when percenting ca and la into pbtio _ 3, it was caused by the ca ion and la ion replaced the pb ion of a position in perovskite compound, that bring lattice mismatch and asymmetrical replace
在pbtio _ 3中摻入la和ca可以有效改變薄膜的晶格常數,這是因為在abo _ 3型化合物中,鈣離子、鑭離子取代了a位的鉛離子,造成晶格失配和不對稱取代。In this paper, we study the relationship between the lattice constant and the grain size of the nanocrystallites from both the theory and the experiment in order to find out a united principle to explain these phenomena
本文從實驗和理論兩個方面研究納米晶的晶粒線度與晶格常數之間的關系,以致力於找出這類問題的一個統一的規律。Due to the change in lattice constant and the distortion of energy band, strained si exhibits great mobility enhancement compared with the conventional si material, and it is the critical reason for the wide application of strained si mosfets
由於晶格常數的改變,應變硅中載流子的遷移率高於普通硅材料,這是應變硅mosfet性能提高的根本原因。分享友人