| 1. | The main contents in this paper were as follows : 1 . cnts were synthesized by chemical vapor deposition ( cvd ) method , the mechanism of cnts growth was analyzed
主要内容为以下几个方面: 1 .本文通过化学气相沉积法制备了碳纳米管,分析了碳纳米管的生长机理。 |
| 2. | The multiwalled carbon nanotube array was fabricated by chemical vapor deposition ( cvd ) in the template of porous alumina in the presence of a catalyst such as cobalt and the carbonaceous source of c2h2
以多孔氧化铝为模板，金属钴为催化剂，乙炔为碳源，通过化学气相沉积法制备出多壁碳纳米管阵列。 |
| 3. | Sic films are synthesized using two technologies of pulse laser deposition ( pld ) and chemical vapor deposition ( cvd ) and the characteristics of sic films are analysized in this paper
本工作采用激光溅射沉积( pld )和激光辅助热丝化学气相沉积( hfcvd )两种实验技术制备了sic薄膜，并对薄膜特性进行了研究。 |
| 4. | Abstract as a good material in engineering , diamond can be used in many fields . however , natural diamond is scale and expensive , so people make synthetic one using chemical vapor deposition ( cvd )
化学气相沉积( cvd )金刚石膜是具有优异的力学、电学、热学、声学和化学性能于一体的材料，在高科技领域具有十分广阔的应用前景。 |
| 5. | The implementation of fluorine generation technology for chemical vapor deposition ( cvd ) chamber cleaning applications poses significant new challenges with regard to safety , reliability , purity and overall cost of ownership
摘要对于将氟气应用在化学气相沉积器清洗的应用而言，其安全性、稳定性、纯度和价格，在应用上是一个新的挑战。 |
| 6. | We analyzed the nucleation act of diamond in chemical vapor deposition ( cvd ) from the view of thermodynamics in the paper . a new nanothermodynamic approach was proposed , based on the established carbon thermodynamic equilibrium phase diagram
本文从热力学角度分析了化学气相沉积( cvd )金刚石过程中，金刚石的成核行为，提出了一种新的金刚石的纳米成核热力学观点。 |
| 7. | It is found that the catalyst inducement and density greatly affect the alignment of carbon nanotubes . ferrocene as the catalyst precursor , double - layered aligned carbon nanotubes were grown on silicon substrates using chemical vapor deposition ( cvd ) by decomposing acetylene twice
对于镀al 、镀ni硅面,在二茂铁分解形成的纳米铁颗粒与衬底上的al和ni颗粒分别形成的液相合金的作用下,碳原子团簇生成大量杂乱无序的碳纳米管。 |
| 8. | However , the limitation of large - scale production and the high cost have restrained the development of the research on their application . comparing to arc discharge and laser ablation , chemical vapor deposition ( cvd ) is the most possible method with large - scale , low - cost and high - yield advantage to fabricate swnts
相对电弧法与激光蒸发法，化学气相沉积法( cvd )是最有望实现大批量、低成本、高产率制备swnts的方法，因此已成为其制备方法研究领域的热点。 |
| 9. | In order to study these questions , we researched three topics in this paper mainly : 1 . we prepared zno nanowires using chemical vapor deposition ( cvd ) method based vapor - liquid - solid ( vls ) mechanism . our object was getting arrayed and controllable growth of zno nanowires through integrating the controllable ability of vls mechanism and merits of cvd and controlling the technique conditions of preparation
针对以上存在的问题,本文主要在以下三个方面进行了初步的探索: 1 .采用基于气-液-固( vls )生长机理的化学气相沉积( cvd )法制备zno纳米线,结合vls机理对生长过程的控制作用以及cvd方法的优点,通过对催化剂、源温度、生长温度和反应气氛等工艺条件的控制,得到纳米线的阵列化生长。 |
| 10. | Third , the fabrication of hollow fibers with sic films has been done with chemical vapor deposition ( cvd ) , and the power - transmitting properties of the above samples have been obtained with an austar 360 ftir spectrometer and kyky - 2800 sem . the kind of fiber has a 950um inner diameter and 3m length , and its transmitting loss is about 0 . 7db / m which can be suitable for many applications
利用化学气相沉积法( cvd )初步完成了具有sic内膜的空芯传能光纤的制备，使用auastar360ir - ft红外光谱仪、 kyky - 2800型扫描电镜等先进仪器对样品进行分析研究，所研制的孔径为950微米、长3米的sic sio _ 2空芯传能光纤，传输损耗约为0 . 7db m ，为进一步提高光纤性能打下了良好的基础。 |
