Journal of Inorganic Materials, Volume. 40, Issue 1, 91(2025)

High Quality GaN Epitaxy Induced Nucleation by Ar Ion Implantation into Sapphire Substrate

Xia AN*, Shengrui XU, Hongchang TAO, Huake SU, He YANG, Kang XU, Lei XIE, Jingyu JIA, Jincheng ZHANG, and Yue HAO
Figures & Tables(7)
GaN epitaxial structure
Rocking curves of samples on the (002)/(102) crystal planes
AFM images of samples
PL spectra of samples
Raman spectra of samples
AFM image of sapphire substrate with ion implantation
  • Table 1. Comparison of the results of different methods to improve the crystal quality of GaN thin film

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    Table 1. Comparison of the results of different methods to improve the crystal quality of GaN thin film

    MethodFWHM(002)/(102)/arcsec Total dislocation density/(×108, cm-2) Ref.
    Sputtered AlN NL201/2253.50[21]
    Al/Ti metal mask by ELOG341/3508.80[22]
    AlN NL by MBE300/40010.30[23]
    Al-ion implantation pretreatment on sapphire substrates204/1872.69[17]
    Ar-ion implantation pretreatment on sapphire substrates161.9/191.72.47This work
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Xia AN, Shengrui XU, Hongchang TAO, Huake SU, He YANG, Kang XU, Lei XIE, Jingyu JIA, Jincheng ZHANG, Yue HAO. High Quality GaN Epitaxy Induced Nucleation by Ar Ion Implantation into Sapphire Substrate[J]. Journal of Inorganic Materials, 2025, 40(1): 91

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Paper Information

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Received: Jun. 12, 2024

Accepted: --

Published Online: Apr. 24, 2025

The Author Email: Xia AN (2382744815@qq.com)

DOI:10.15541/jim20240286

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