Atomic layer deposition of GaN at low temperatures

Type:
Journal
Info:
J. Vac. Sci. Technol. A 30(1), Jan/Feb 2012
Date:
2011-12-01
DOI:
http://dx.doi.org/10.1116/1.3664102

Author Information

Name Institution
Çağla ÖzgitBilkent University
İnci DönmezBilkent University
Mustafa AlevliBilkent University
Necmi BiyikliBilkent University

Films

Plasma GaN

Hardware used: Veeco - Ultratech - Cambridge NanoTech Fiji
TMG, trimethyl galium, GaMe3
CAS#: 1445-79-0
Where to buy precursor
NH3, Ammonia
CAS#: 7664-41-7
Deposition Temperature Range = 100-500C

Film/Plasma Properties

Characteristic: Thickness
Analysis: Ellipsometry
Diagnostic: J.A. Woollam VASE

Characteristic: Chemical Composition, Impurities
Analysis: XPS, X-ray Photoelectron Spectroscopy
Diagnostic: Thermo Scientific K-Alpha

Characteristic: Crystallinity, Crystal Structure, Grain Size, Atomic Structure
Analysis: GIXRD, Grazing Incidence X-Ray Diffraction
Diagnostic: PANalytical Xpert PRO MRD X-ray Diffractometer

Characteristic: Thickness
Analysis: TEM, Transmission Electron Microscope
Diagnostic: FEI Tecnai G2 F30

Characteristic: Microstructure
Analysis: TEM, Transmission Electron Microscope
Diagnostic: FEI Tecnai G2 F30

Characteristic: Morphology, Roughness, Topography
Analysis: AFM, Atomic Force Microscopy
Diagnostic: Asylum Research MFP-3D

Substrates

Silicon

Notes

Silicon substrates solvent cleaned + HF dip + DI rinse + N2 dry.
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