Gallium nitride materials - progress, status, and potential roadblocks
نویسندگان
چکیده
منابع مشابه
Materials synthesis: Two-dimensional gallium nitride.
The groundbreaking discovery1 that graphite could be cleaved into its 2D building block, graphene, has led to similar efforts directed towards other layered 3D solids. In fact, a wide variety of 2D materials have been discovered over the past decade: phosphorene, transition metal dichalcogenides and MXenes (transition metal carbides, nitrides or carbonitrides) to name just a few2,3. Most such 2...
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The measurement of ζ potential of Ga-face and N-face gallium nitride has been carried out as a function of pH. Both of the faces show negative ζ potential in the pH range 5.5−9. The Ga-face has an isoelectric point at pH 5.5. The Nface shows a more negative ζ potential due to larger concentration of adsorbed oxygen. The ζ potential data clearly showed that H-terminated diamond seed solution at ...
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Since 1994, the Applied Physics Laboratory has been collaborating with NASA Goddard Space Flight Center to develop photodetectors based on gallium nitride and aluminum gallium nitride material produced in the Milton S. Eisenhower Research and Technology Development Center. This article describes the results of our collaboration and highlights the development of gallium nitride photodetectors wi...
متن کاملAn interatomic potential study of the properties of gallium nitride
A set of interatomic pair potentials were derived for gallium nitride within the shellmodel approach. It was shown that the potential set successfully reproduces the properties of the fourfold-coordinated wurtzite and zinc-blende structures as well as the sixfold-coordinated rocksalt structure. The high-pressure phase transition from wurtzite to rock-salt structure is correctly described yieldi...
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In wide bandgap GaN a large number of interesting and important scientific questions remain to be answered. For example, the large free electron concentration reaching 1019 to 1020 cm-3 in nominally undoped material are ascribed to intrinsic defects because no chemical impurity has been found at such high concentrations. According to theoretical models a nitrogen vacancy acts as a donor but its...
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ژورنال
عنوان ژورنال: Proceedings of the IEEE
سال: 2002
ISSN: 0018-9219
DOI: 10.1109/jproc.2002.1021564