epitaxy ['epitæksi]
- epitaxy的基本解释
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n.
[晶](晶体)取向附生, 外延附生
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This project was established based on the first cooperative development of optical in situ real time detecting technique probing the atomic scale layer-by-layer epitaxy growth of oxide film. Over the last three years, we have given full play to the advantages and characteristics of both sides and have finished the assumptions and plans of this subject satisfactorily. 1. In Institute of Physics, we set up advanced oblique-incidence reflectivity difference equipment and wrote one data acquisition procedure that made the simultaneous detection of optical signal and RHEED signal into reality. 2. The first observation of sustained oscillations over hundreds of monolayers in both real and imaginary signals during the epitaxy growth of SrNb0.1Ti0.9O3 on SrTiO3 substrate in LMBE testifies that oblique-incidence is an excellent method to detect and monitor film epitaxy growth real time. 3. For the first time, we verify that oblique-incidence reflectivity difference method can be used to monitor the layer-by-layer growth mode during continuous growth through the correspondence between optical signals to atomic or molecular step edge density on the growth surface. 4. Phenomenological analysis shows that optical signals comprise three parts, the first is proportional to the average thickness of the film and depends on the bulk phase dielectric response; the second is proportional to the coverage of terraces and depends on the dielectric response of atoms or unit cells in the terrace; the third is proportional to the coverage of step edges and depends on the effective dielectric response of atoms or unit cells at step edges. This makes oblique-incident reflectivity difference technique a quantitative macroscopic method to monitor film growth.
中文摘要:本课题是在合作首次发展了氧化物薄膜原子尺度层状外延生长光学原位实时探测方法的基础上立项的,三年来,我们充分发挥双方的优势和特点,圆满完成了课题的设想和计划。1、在物理所建立了一套先进的光反射差法装置,编写了计算机系统的数据采集程序,实现了两路光学信号和RHEED数据的同步采集和显示。2、用激光分子束外延在SrTiO3基底上生长SrNb0.1Ti0.9O3薄膜,首次观测到连续外延几百个原胞层,周期振荡的光反射差实部和虚部信号,证明了光反射差法是一种能原位实时探测与监控薄膜层状外延生长的好方法。3、首次验证了通过对生长表面原子或分子台阶密度的响应,光反射差法可用于原位实时监测在连续生长条件下薄膜的层式生长模式。4、通过唯象理论的研究,证明光反射差信号由三项组成,第一项只与薄膜的平均厚度和宏观光学电介质常数有关;第二项与分子台阶面覆盖度和台阶面上分子层的光学电介质常数有关;第三项与台阶边缘的覆盖度成正比,并和在台阶边缘的分子的有效光学介电常数有关。
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This text has described the epitaxy and intension of the mobile phone systematically in terms of semiology , it expounds epitaxy and practical operation rule of intension to combine the instance analysis.
本文从符号学角度系统论述了手机的符号的外延和内涵,并结合实例分析阐明了外延与内涵的实际操作法则。
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This text expands asset epitaxy to financial asset, and expands liability epitaxy to financial liability.
本文将资产外延扩展到了包括金融资产,将负债外延扩展到了包括金融负债。
- 更多网络解释 与epitaxy相关的网络解释 [注:此内容来源于网络,仅供参考]
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epitaxy:外延
许多发光器件使用单晶.根据不同的器件要求,单晶的种类,大小以及生长方法是各种 0 各样的.有的晶体,要在 2000 C高温下用提拉法生长;有的在室温下在溶液中生长;有的在 同类晶片上在气相或液相中外延(epitaxy)生长:有的则因得不到所需尺寸的同类晶片作 衬底,
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epitaxy:外延生长
据,并对运算误差 进行分析. ......... 数字电子钟设计 共射极基本放大电路分析 外延生长(Epitaxy) 电视监控系
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epitaxy:磊晶成长
而呈现半停滞的状态,由於DVD烧录机目前除了规格之争,在效能上也还不能令人满意,因此仍有许多发展的空间.现今的DVD-R/RW均需在AlGaInP ridge LD上作二次磊晶成长(epitaxy),以便增强雷射二极体的工作效能.然而二次磊晶在制程良率上偏低,
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epitaxy:磊晶
一般而言,"CVD" 所指的是非晶形薄膜的成长,这种成长方式归类于"沉积"(Deposition);而"VPE"所指的是具有晶形的薄膜成长方式,这种方式归类于"磊晶"(Epitaxy).
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silicon epitaxy:硅外延
silicon disk 硅磁盘 | silicon epitaxy 硅外延 | silicon gate 硅栅极
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