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InGaN/GaN short-period superlattices: synthesis, properties, applications
- Source :
- physica status solidi (c), physica status solidi (c), 2011, 8 (7-8), pp.2308--2310. ⟨10.1002/pssc.201001040⟩, physica status solidi (c), Wiley, 2011, 8 (7-8), pp.2308--2310. ⟨10.1002/pssc.201001040⟩
- Publication Year :
- 2011
- Publisher :
- HAL CCSD, 2011.
-
Abstract
- International audience; InGaN/GaN short‐period superlattices were fabricated using method based on cycle conversion of surface InGaN layer to GaN by applying of growth interruptions in hydrogen atmosphere. SPSLs having total thickness from 12 nm to 120 nm were grown and investigated by combination of optical methods, XRD and high resolution transmission electron microscopy (HRTEM) with geometric phase analysis. Blue, deep green (540‐560 nm) and monolithic white LEDs (containing in active region green and blue InGaN QWs separated by the SPSL or GaN barrier) were grown and investigated. Deep green LEDs have maximal external quantum efficiency of 8‐16% in the range of 560‐540 nm correspondingly. Monolithic white LED structures with CCT in the range of 5000‐6000 K have maximal external quantum efficiency of more than 6%. (© 2011 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
- Subjects :
- [PHYS]Physics [physics]
Materials science
Photoluminescence
business.industry
Superlattice
02 engineering and technology
021001 nanoscience & nanotechnology
Condensed Matter Physics
01 natural sciences
law.invention
010309 optics
law
0103 physical sciences
Optoelectronics
Quantum efficiency
Metalorganic vapour phase epitaxy
0210 nano-technology
business
High-resolution transmission electron microscopy
Luminescence
Quantum well
Light-emitting diode
Subjects
Details
- Language :
- English
- ISSN :
- 16101634 and 16101642
- Database :
- OpenAIRE
- Journal :
- physica status solidi (c), physica status solidi (c), 2011, 8 (7-8), pp.2308--2310. ⟨10.1002/pssc.201001040⟩, physica status solidi (c), Wiley, 2011, 8 (7-8), pp.2308--2310. ⟨10.1002/pssc.201001040⟩
- Accession number :
- edsair.doi.dedup.....ddaff859a39cf5a041b9ee53d4aa33b8