查询词典 epitaxy

Based on the project requirements, the research has focused on the confined electronic states in the semiconductor surface quantum wells. The moden quantum theory and advanced material growth technology have been used. The interband transitions in the surface quantum well have been studied by the in-situ photo-modulated reflection spectroscopy combined with the molecular beam epitaxy system. The optical transitions, including the tansition between ground or excited states of the electron and hole states, have been directly observed.

根据项目任务书的要求，本项研究在现代量子理论与先进材料生长技术基础上对半导体表面量子阱阱结构中的受限电子能态进行系统的光谱实验与理论研究，通过与分子束外延设备直接耦合的光调制光谱手段在原子层量级上直接观测到了表面量子阱中本征能态间的光跃迁特性，其中包括基态间的跃迁和激发态间的跃迁。

This processes of SiGe planar integration are compatible with LOCOS, epitaxy under low pressure, poly silicon emitter, MBE SiGe and UHV/CVD.

在国内，首次研发出了SiGe平面集成技术工艺，开发研制出了SiGe集成低噪声放大器。

Based on the above investigation of ideal layer-by-layer growth process, the surface roughening phenomena during the real epitaxial growth are discussed. Some important microscopic dynamic models for molecular-beam epitaxy , which have attracted much attention recently, are studied. Using the master-equation method, the corresponding growth equations are directly derived, and then the scaling behaviors, the universalities, as well as the crossover effects are determined.

在这一理想层状外延生长研究的基础上对实际外延生长过程中十分显著的表面粗化现象进行了探讨，深入研究了几类近年来受到广泛关注的描述分子束外延生长的重要的微观动力学生长模型，采用主方程方法直接得到了相应的非线性生长方程，并确定了标度性质、普适类以及渡越行为。

In epitaxy experiments, the substrate is always thought to be smooth and uniform.

由于缺少必要的参数，还不能使用这个公式直接计算岛的大小，但是可以利用这个公式定性的解释其他的一些实验现象。

These devices are fabricated utilizing molecular beam epitaxy manufacturing techniques and feature rugged construction and consistent electrical performance.

这些设备是利用分子束外延制备的制造技术和坚固的结构和功能一致的电气性能。

The higher value is comparable to those obtained in CVD epitaxy.

这个高的数值可以和从化学气相淀积外延得到的数值相比拟。

The results indicate that the low temperature epitaxy process is an acceptable method for the preparation of device quality GaAs l...

结果表明，低温外延是制备较高质量外延层的一种可取方法。

In the end of these studies, the hetero-eptaxial growth of these three films was studied for the first time.〓 and 〓 multilayers show good epitaxy.

最后，我们首次对这三种薄膜之间的外延生长进行了初步的研究，发现y多层膜具有良好的外延关系。

Short for epitaxy, the controlled growth of a layer of crystalline semiconductor material on a suitable substrate.

&epitaxy&的简写形式，在适合的衬底上，对结晶半导体材料层的生长控制。

Precise measurement and control of GaN-film thickness is very important for GaN-based materials epitaxy and devices fabrication.

在GaN基材料外延和器件制作中，对外延膜厚度的精确测量和控制至关重要。

Salt is good, but if the salt becomes flat and tasteless, with what do you season it?

14：33 盐本是好的，盐若失了味，可用什么叫它再咸呢？

He reiterated that the PLA is an army of the people under the leadership of the Communist Party of China.

他重申，人民解放军是在中国共产党领导下的人民军队。