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作者:

Han, Jun (Han, Jun.) | Zhao, Jia-Hao (Zhao, Jia-Hao.) | Xing, Yan-Hui (Xing, Yan-Hui.) | Shi, Feng-Feng (Shi, Feng-Feng.) | Yang, Tao-Tao (Yang, Tao-Tao.) | Zhao, Jie (Zhao, Jie.) | Wang, Kai (Wang, Kai.) | Li, Tao (Li, Tao.) | Deng, Xu-Guang (Deng, Xu-Guang.) | Zhang, Bao-Shun (Zhang, Bao-Shun.)

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EI Scopus PKU CSCD

摘要:

GaN films were grown on Si (111) substrates by metal-organic chemical vapor deposition (MOCVD). The influence of high temperature AlN(HT-AlN) buffer low various growth pressure (6.7-16.6 kPa) on GaN films was studied. It is found that, the surface morphology and structural and optical properties of the GaN epilayer strongly depend on HT-AlN buffer growth pressure. Increase the growth pressure of HT-AlN buffer, the optical and morphology properties of GaN film are both significantly improved, when the growth pressure of HT-AlN buffer layer was at 13.3 kPa, we obtained a crack-free GaN film, the XRD FWHM of (002) and (102) plane of GaN film are 735 and 778 arcsec, respectively. The tensile stress calculated from Raman spectra is 0.437 GPa, and RMS roughness of AFM 5 μm×5 μm scan is 1.57 nm. © 2018, Science Press. All right reserved.

关键词:

Aluminum nitride Buffer layers Epilayers Gallium nitride III-V semiconductors Metallorganic chemical vapor deposition Morphology Optical properties Organic chemicals Organometallics Raman spectroscopy Surface morphology X ray diffraction

作者机构:

  • [ 1 ] [Han, Jun]Key Laboratory of Opto-electronics Technology, College of Microelectronics, Beijing University of Technology, Beijing; 100124, China
  • [ 2 ] [Zhao, Jia-Hao]Key Laboratory of Opto-electronics Technology, College of Microelectronics, Beijing University of Technology, Beijing; 100124, China
  • [ 3 ] [Xing, Yan-Hui]Key Laboratory of Opto-electronics Technology, College of Microelectronics, Beijing University of Technology, Beijing; 100124, China
  • [ 4 ] [Shi, Feng-Feng]Key Laboratory of Opto-electronics Technology, College of Microelectronics, Beijing University of Technology, Beijing; 100124, China
  • [ 5 ] [Yang, Tao-Tao]Key Laboratory of Opto-electronics Technology, College of Microelectronics, Beijing University of Technology, Beijing; 100124, China
  • [ 6 ] [Zhao, Jie]Key Laboratory of Opto-electronics Technology, College of Microelectronics, Beijing University of Technology, Beijing; 100124, China
  • [ 7 ] [Wang, Kai]Key Laboratory of Opto-electronics Technology, College of Microelectronics, Beijing University of Technology, Beijing; 100124, China
  • [ 8 ] [Li, Tao]Key Laboratory of Opto-electronics Technology, College of Microelectronics, Beijing University of Technology, Beijing; 100124, China
  • [ 9 ] [Deng, Xu-Guang]Key Laboratory of Nano Devices and Applications, Suzhou Institute of Nano-Technology and Nano-Bionics, Chinese Academy of Sciences, Suzhou; 215123, China
  • [ 10 ] [Zhang, Bao-Shun]Key Laboratory of Nano Devices and Applications, Suzhou Institute of Nano-Technology and Nano-Bionics, Chinese Academy of Sciences, Suzhou; 215123, China

通讯作者信息:

  • [han, jun]key laboratory of opto-electronics technology, college of microelectronics, beijing university of technology, beijing; 100124, china

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来源 :

Chinese Journal of Luminescence

ISSN: 1000-7032

年份: 2018

期: 9

卷: 39

页码: 1285-1290

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