The influence of residual GaN on two-step-grown GaN on sapphire
Sign Up to like & getrecommendations! Published in 2021 at "Materials Science in Semiconductor Processing"
DOI: 10.1016/j.mssp.2021.105903
Abstract: Abstract In this paper, it is found that the residual GaN has a great impact on the two-step-grown GaN on sapphire substrates. The samples which are grown with a conventional system baking process present a… read more here.
Keywords: two step; gan sapphire; residual gan; step grown ... See more keywords
Direct observation of an electrically degenerate interface layer in a GaN/sapphire heterostructure.
Sign Up to like & getrecommendations! Published in 2019 at "Nanoscale"
DOI: 10.1039/c9nr01803d
Abstract: An electrically degenerate layer deteriorates the optoelectric performance of a wide band gap semiconductor grown on an insulator substrate. This detrimental effect can be passively avoided by using a buffer layer to harbor various lattice… read more here.
Keywords: gan sapphire; layer; band; interface ... See more keywords
Impact of dislocations on the thermal conductivity of gallium nitride studied by time-domain thermoreflectance
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Applied Physics"
DOI: 10.1063/1.5126970
Abstract: GaN thermal conductivity (κGaN) of hydride vapor phase epitaxy grown GaN (HVPE GaN), high nitride pressure grown GaN (HNP GaN), and metal-organic chemical vapor deposition grown GaN on sapphire (GaN/sapphire) and on Si(111) (GaN/Si) are… read more here.
Keywords: gan sapphire; time domain; thermal conductivity; gan ... See more keywords
Investigation of Temperature Sensing Capabilities of GaN/SiC and GaN/Sapphire Surface Acoustic Wave Devices
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2021.3137908
Abstract: This paper proposes high sensitivity temperature sensors based on single port surface acoustic wave (SAW) devices with GHz resonance frequencies, developed on GaN/SiC and GaN/Sapphire, which permit wide range, accurate temperature determinations. In contrast with… read more here.
Keywords: sapphire; gan sapphire; gan sic; surface acoustic ... See more keywords
MOVPE Growth of GaN via Graphene Layers on GaN/Sapphire Templates
Sign Up to like & getrecommendations! Published in 2022 at "Nanomaterials"
DOI: 10.3390/nano12050785
Abstract: The remote epitaxy of GaN epilayers on GaN/sapphire templates was studied by using different graphene interlayer types. Monolayer, bilayer, double-stack of monolayer, and triple-stack of monolayer graphenes were transferred onto GaN/sapphire templates using a wet… read more here.
Keywords: graphene; microscopy; growth gan; gan sapphire ... See more keywords