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Transfer process of LT-GaAs epitaxial films for on-chip terahertz antenna integrated device

  • Chun Yan Guo
  • , Jian Xing Xu
  • , Hong Ling Peng
  • , Hai Qiao Ni
  • , Tao Wang
  • , Jin Shou Tian
  • , Zhi Chuan Niu
  • , Zhao Xin Wu
  • , Jian Zuo
  • , Cun Lin Zhang
  • CAS - Xi'an Institute of Optics and Precision Mechanics
  • Xi'an Jiaotong University
  • University of Chinese Academy of Sciences
  • CAS - Institute of Semiconductors
  • Capital Normal University

科研成果: 期刊稿件文章同行评审

5 引用 (Scopus)

摘要

A process for LT-GaAs used as photoconductive switch in epitaxial layer transfer of on-chip THz antenna integrated device was provided. Hall indicated resistivity of the epitaxial materials gained by MBE was about 106Ω·cm. HNO3-NH4OH-H2O-C3H8O7·H2O-H2O2-HCl and wet chemical etching were used to etch epitaxial materials grown by MBE. Gained the structure that 1.5μm LT-GaAs bounded with COP after lift-off of SI-GaAs and Al0.9Ga0.1As. AFM, SEM and high-power microscope indicated that the structure was flat and smooth after lift-off. RMS=2.28 nm. EDAX indicated there wasn't Al in this structure. It can be used to make photoconductive switch.

源语言英语
页(从-至)220-224 and 234
期刊Hongwai Yu Haomibo Xuebao/Journal of Infrared and Millimeter Waves
36
2
DOI
出版状态已出版 - 1 4月 2017

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