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http://hdl.handle.net/10397/4982
| Title: | Ion channeling studies on mixed phases formed in metalorganic chemical vapor deposition grown Mg-doped GaN on Al₂O₃(0001) | Authors: | Sundaravel, B Luo, EZ Xu, JB Wilson, IH Fong, WKP Wang, LS Surya, C |
Issue Date: | 15-Jan-2000 | Source: | Journal of applied physics, 15 Jan. 2000, v. 87, no. 2, p. 955-957 | Abstract: | Rutherford backscattering spectrometry and ion channeling were used to determine the relative quantities of wurtzite and zinc-blende phases in metalorganic chemical vapor deposition grown Mg-doped GaN(001) on an Al₂O₃(0001) substrate with a GaN buffer layer. Off-normal axial channeling scans were used. High-resolution x-ray diffraction measurements also confirmed the presence of mixed phases. The in-plane orientation was found to be GaN[¯110]││GaN[¯1120]││Al₂O₃[¯1120]. The effects of rapid thermal annealing on the relative phase content, thickness and crystalline quality of the GaN epilayer were also studied. | Keywords: | Gallium compounds Magnesium III-V semiconductors Wide band gap semiconductors MOCVD coatings Semiconductor thin films Channelling Rutherford backscattering X-ray diffraction Stacking faults Dislocation density Dislocation structure |
Publisher: | American Institute of Physics | Journal: | Journal of applied physics | ISSN: | 0021-8979 | EISSN: | 1089-7550 | DOI: | 10.1063/1.371966 | Rights: | © 2000 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in B. Sundaravel et al., J. Appl. Phys. 87, 955 (2000) and may be found at http://link.aip.org/link/?jap/87/955. |
| Appears in Collections: | Journal/Magazine Article |
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| Sundaravel_Ion_channeling_studies.pdf | 646.53 kB | Adobe PDF | View/Open |
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