电子衍射

The X-ray double-crystal diffraction rocking curve measurements show the full-width half maximum of 180" and 185" for (0002) symmetric reflection and (10 12) skew reflection,respectively.A room temperature mobility of 850cm2/ is obtained for a 3μm thick GaN film.

GaN材料的X射线双晶衍射摇摆曲线(0 0 0 2 )对称衍射和(10 12 )斜对称衍射半宽分别为 180"和 185"；3μm厚GaN薄膜室温电子迁移率达到85 0cm2 /。

In this paper,the diffraction and the interference of electrons from a double slit and a multi-slit have been analyzed by quantum theory, and the results are in keeping with light s.

运用量子理论分析了电子双缝、多缝的衍射、干涉，与光的双缝、多缝的衍射、干涉完全一致。

UNESCO awarded him the first Kalinga Prize in 1952 for his work in popularizing scientific knowledge, and he was elected a Fellow of the Royal Society on 23 April 1953. In 1961 he received the title of Knight of the Grand Cross in the Légion d'honneur.

同年 G.P。汤姆逊用较高能量的电子做了晶体对电子束衍射的实验，他让电子能量为1000－8000电子伏特的电子束垂直射入赛玛哈、金、铂或铝等薄膜上，观测产生的衍射图样。

Our theory predicts the minimum value of ponderomotive parameter and the corresponding critical laser intensity, below which no diffraction can occur; 6, We studied the energy transfer of a two-level atom moving in a cavity field, as well as its influence on the atomic emission spectra and on the photon distribution of the intro-cavity field.

我们用两对激光模来模拟紧聚焦的高斯光场，成功地得到了《Nautre》上Batleaan等人的实验观测结果，预言了有待实验进一步观测的新现象，并确立了发生电子衍射的激光场的临界强度； 6，研究了原子在激光场中运动时光场与原子之间的能量交换，以及这种能量在光谱上的反映和对激光场统计性质的影响。

Wang, Chunyun, Ren, Guohao, Xie, Yuanzhang and Li, Yaguo, 1989, Topotactic reaction from tremolite to talc - electron diffraction study of Longxi nephrite.

王春云、任国浩、谢源章和李亚国，1989，透闪石-滑石拓扑定向反应-龙溪软玉的电子衍射研究。

We have epitaxially grown ultrathin Pb and Co films on the Cu(111)surface bymolecular beam exitaxialgrowth technique,and studied in detail the growthand surface alloying of submonolayer Pb on Cu(111),the shift of Pb 5d core levelbinding energy on Cu(111),the surfactant-assisted epitaxial growth of Co on Cu(111)using Pb as a surfactant,and the spin exchange splitting of ultrathin Co films onCu(111)using synchron radiation photoemission spectra as well as Auger electronspectraand low energy electron diffraction.

利用分子束外延生长技术在单晶Cu(111)表面外延生长了超薄Pb和Co膜，并利用同步辐射光电子发射谱，结合俄歇谱和低能电子衍射，详细研究了超薄Pb在Cu(111)表面的生长、表面合金化，Cu(111)表面Pb的5d芯能级位移，以Pb作活性剂时Co膜的活化外延生长，以及超薄Co在Cu(111)表面的自旋交换劈裂，得到了一些有意义的结果。

He growth process of silver particles with adsorption time is that the reduced silver precursors coalesces into silver particles, branch-shaped silver particles and larger silver pieces, step by step.

EM观察发现：随吸附时间延长，还原的Ag粒从小颗粒状发展到类树枝状的颗粒并最终形成Ag片；相应的电子衍射图也表明，Ag的结晶聚集体形态变化是：无定形→多晶→大银片。

In the SAED pattern, the HA nanowires as prepared was polycrystalline. The spectra of nanowires contained typical bands of hexahedra Ca(superscript 2+)at 250 nm.

结果 HA纳米粒的平均尺寸为：长100nm~230nm，宽3nm~5nm；电子衍射图像显示纳米丝为多晶质。

A new optimization method was presented in LEED \%I\|V\% curve analysis applying genetic algorithms in Tensor LEED.

提出了一种在低能电子衍射结构分析中自动搜寻最佳模型的优化方法——遗传算法和张量 LEED相结合的联合方法。

Using a systematic approach and the concept of ＂pure HOLZ case＂ for electron diffraction,the convergence of the conventional multislice methodand the second-order multislice methodfor calculating higher-order Laue zoneeffects was studied.

高能入射电子与样品的体周期较长，或当晶体较大地偏离带轴时，HOLZ衍交互作用是一个复杂的电子弹性和非弹性散射过射束都会有较大的强度，此时，HOLZ衍射不能忽程。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。