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Author:

Wang, Kai (Wang, Kai.) | Xing, Yanhui (Xing, Yanhui.) | Han, Jun (Han, Jun.) | Zhao, Kangkang (Zhao, Kangkang.) | Guo, Lijian (Guo, Lijian.) | Zhang, Yunlong (Zhang, Yunlong.) | Deng, Xuguang (Deng, Xuguang.) | Fan, Yaming (Fan, Yaming.) | Zhang, Baoshun (Zhang, Baoshun.)

Indexed by:

Scopus SCIE

Abstract:

GaN epilayers have been grown on Si(111) substrates with various high temperature AlN buffer layers by metal-organic chemical vapor deposition (MOCVD). It is found that, the surface morphology and structural and optical properties of the GaN epilayer strongly depends on the TMAl source flow rate. The properties of GaN films were characterized by X-ray diffraction, atomic force microscopy, Raman, photoluminescence and cathodoluminescence measurements. With the optimized TMAl source flow rate, we were able to obtain a 1-mu m-thick crack-free GaN layer. The (0002) and (10 (1) over bar2) XRD FWHM of the GaN film are 547 and 563 arcsec respectively, the tensile stress calculated from the Raman spectra is 0.4 GPa, and RMS roughness of AFM 5 mu m x 5 mu m scan is 0.539 nm. (C) 2016 Published by Elsevier B.V.

Keyword:

AlN buffer layer MOCVD TMAl source flow rate GaN Si(111) substrate

Author Community:

  • [ 1 ] [Wang, Kai]Beijing Univ Technol, Coll Elect Informat & Control Engn, Key Lab Optoelect Technol, Minist Educ, Beijing 100124, Peoples R China
  • [ 2 ] [Xing, Yanhui]Beijing Univ Technol, Coll Elect Informat & Control Engn, Key Lab Optoelect Technol, Minist Educ, Beijing 100124, Peoples R China
  • [ 3 ] [Han, Jun]Beijing Univ Technol, Coll Elect Informat & Control Engn, Key Lab Optoelect Technol, Minist Educ, Beijing 100124, Peoples R China
  • [ 4 ] [Zhao, Kangkang]Beijing Univ Technol, Coll Elect Informat & Control Engn, Key Lab Optoelect Technol, Minist Educ, Beijing 100124, Peoples R China
  • [ 5 ] [Guo, Lijian]Beijing Univ Technol, Coll Elect Informat & Control Engn, Key Lab Optoelect Technol, Minist Educ, Beijing 100124, Peoples R China
  • [ 6 ] [Zhang, Yunlong]Beijing Univ Technol, Coll Elect Informat & Control Engn, Key Lab Optoelect Technol, Minist Educ, Beijing 100124, Peoples R China
  • [ 7 ] [Deng, Xuguang]Chinese Acad Sci, Suzhou Inst Nanotechnol & Nanobion, Key Lab Nano Devices & Applicat, Suzhou 215123, Jiangsu, Peoples R China
  • [ 8 ] [Fan, Yaming]Chinese Acad Sci, Suzhou Inst Nanotechnol & Nanobion, Key Lab Nano Devices & Applicat, Suzhou 215123, Jiangsu, Peoples R China
  • [ 9 ] [Zhang, Baoshun]Chinese Acad Sci, Suzhou Inst Nanotechnol & Nanobion, Key Lab Nano Devices & Applicat, Suzhou 215123, Jiangsu, Peoples R China

Reprint Author's Address:

  • [Xing, Yanhui]Beijing Univ Technol, Coll Elect Informat & Control Engn, Key Lab Optoelect Technol, Minist Educ, Beijing 100124, Peoples R China

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Source :

JOURNAL OF ALLOYS AND COMPOUNDS

ISSN: 0925-8388

Year: 2016

Volume: 671

Page: 435-439

6 . 2 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:305

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 12

SCOPUS Cited Count: 13

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

Online/Total:2771/10985099
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