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APPLIED OPTICS, ISSN 1559-128X, 04/2019, Volume 58, Issue 12, pp. 3097 - 3103
To obtain an adequate luminescent emission, a significant effort must be made to find a suitable host material. An interesting and highly efficient method is a... 
THERMAL-ACTIVATION | OXYGEN | SINGLE-CRYSTAL | TRANSPORT | SELF-DIFFUSION | ALN | OPTICAL-CONSTANTS | LUMINESCENCE | CATHODOLUMINESCENCE | ION | OPTICS | Thin films | Rare earth metals | Luminous intensity | Light emission | Ytterbium | Combinatorial analysis | Optimization | Metal ions
Journal Article
Journal of Physics D: Applied Physics, ISSN 0022-3727, 01/2019, Volume 52, Issue 10, p. 105303
We develop a band-fluctuations model which describes the absorption coefficient in the fundamental absorption region for direct and indirect electronic... 
Urbach | bandgap | fundamental absorption | band-fluctuations | PHYSICS, APPLIED | PHOTOLUMINESCENCE | SILICON | GAP | SPECTRA | TAILS | GAAS | DEPENDENCE
Journal Article
Journal of Applied Physics, ISSN 0021-8979, 05/2017, Volume 121, Issue 17
We report the complex refractive index of methylammonium lead iodide (CH3NH3PbI3) perovskite thin films obtained by means of variable angle spectroscopic... 
PEROVSKITE | PHYSICS, APPLIED | SOLAR-CELLS | ABSORPTION | PERFORMANCE | AMORPHOUS-SEMICONDUCTORS | Thin films | Perovskite | Usage | Refractive index | Analysis | Optical properties | Spectrum analysis | Methyl groups | Dielectric films | Research | Electric properties
Journal Article
JOURNAL OF PHYSICS D-APPLIED PHYSICS, ISSN 0022-3727, 10/2016, Volume 49, Issue 40
Journal Article
JOURNAL OF PHYSICS D-APPLIED PHYSICS, ISSN 0022-3727, 09/2016, Volume 49, Issue 37
Journal Article
Journal of Physics D: Applied Physics, ISSN 0022-3727, 04/2016, Volume 49, Issue 19, pp. 195102 - 195107
We report on the optical bandgap engineering of sputtered hydrogenated amorphous silicon carbide (a-SiC:H) thin films under different hydrogen dilution... 
amorphous | Urbach energy | bandgap | Brazilian MRS | silicon carbide | Urbach focus | PHYSICS, APPLIED | CHEMICAL-VAPOR-DEPOSITION | MICROWAVE-POWER | ABSORPTION EDGE | EMISSION | SILICON CARBIDE FILMS | Thin films | Annealing | Hydrogen storage | Dilution | Silicon carbide | Absorption | Deposition | Energy gaps (solid state)
Journal Article
Journal of Physics D: Applied Physics, ISSN 0022-3727, 2016, Volume 49, Issue 37, p. 375104
The effect of the annealing temperature on the light emission intensity of Tb-doped a-SiC: H thin films was investigated for different Tb concentrations under... 
concentration quenching | rare earth | thermal activation | SiC | PHYSICS, APPLIED | PHOTOLUMINESCENCE | ALN | CATHODOLUMINESCENCE | IONS | ERBIUM | LUMINESCENCE | RESONANCE | LIGHT-EMISSION
Journal Article
Optical Materials, ISSN 0925-3467, 06/2019, Volume 92, pp. 16 - 21
This work analyzes the photoluminescence emission of Yb and Tb ions in co-doped silicon oxycarbide thin films, their activation by thermal treatment, and... 
Terbium | Silicon oxycarbide | Photoluminescence lifetime | Ytterbium | rf magnetron sputtering | DOWNCONVERSION | UP-CONVERSION | SOLAR-CELLS | PHOTOLUMINESCENCE | PERFORMANCE | MATERIALS SCIENCE, MULTIDISCIPLINARY | GLASSES | OPTICS | INFRARED LUMINESCENCE
Journal Article
Journal Article
Solar Energy Materials and Solar Cells, ISSN 0927-0248, 04/2015, Volume 135, pp. 49 - 56
The negative charge formation, the charge-trapping mechanisms and the interface defect passivation of aluminum oxide/silicon nitride (AlO /SiN ) stacks... 
Silicon | Capacitance voltage | Surface passivation | Silicon nitride | Aluminum oxide | PHYSICS, APPLIED | SOLAR-CELLS | LAYER DEPOSITED AL2O3 | ENERGY & FUELS | MATERIALS SCIENCE, MULTIDISCIPLINARY | NITRIDE | FILMS | ELECTRICAL CHARACTERISTICS | TEMPERATURE | Charge density | Crystal defects | Charge | Formations | Silicon dioxide | Passivation
Journal Article
Applied Physics Letters, ISSN 0003-6951, 03/2010, Volume 96, Issue 9, pp. 093112 - 093112-3
In this letter, we demonstrate that self-organized InGaAs quantum dots (QDs) grown on GaAs (111) substrate using droplet epitaxy have great potential for the... 
gallium arsenide | light polarisation | PHYSICS, APPLIED | photoluminescence | indium compounds | quantum optics | quantum entanglement | semiconductor quantum dots | excitons | III-V semiconductors | PAIRS
Journal Article
ELECTRONICS LETTERS, ISSN 0013-5194, 05/2009, Volume 45, Issue 11, pp. 566 - U54
A resonant cavity light emitting diode combined with a submicron oxide current aperture, to pump individual InGaAs/GaAs quantum dots electrically, has been... 
ENGINEERING, ELECTRICAL & ELECTRONIC
Journal Article
physica status solidi (a), ISSN 1862-6300, 01/2015, Volume 212, Issue 1, pp. 156 - 161
The application of layers of doped colloidal silicon nanocrystals sandwiched between hydrogenated amorphous silicon layers as emitters in silicon... 
silicon | solar cells | colloids | amorphous materials | nanocrystals | Solar cells | Amorphous materials | Silicon | Nanocrystals | Colloids | PHYSICS, CONDENSED MATTER | PHYSICS, APPLIED | MATERIALS SCIENCE, MULTIDISCIPLINARY | SILICON NANOCRYSTALS | PLASMA SYNTHESIS | Photovoltaic cells | Solar energy | Emissions | Quantum confinement | Heterojunctions | Emitters | Conversion
Journal Article
Journal Article
Journal of Non-Crystalline Solids, ISSN 0022-3093, 09/2012, Volume 358, Issue 17, pp. 2253 - 2256
Two different growth mechanisms are compared for the fabrication of Si/SiO nanostructures on crystalline silicon (c-Si) to be used as hetero-emitter in... 
hetero-emitter | Silicon nanostructures | HRTEM | CRYSTALLIZATION | HYDROGEN | FILMS | MATERIALS SCIENCE, MULTIDISCIPLINARY | POLYCRYSTALLINE SILICON | MATERIALS SCIENCE, CERAMICS
Journal Article
physica status solidi (a), ISSN 1862-6300, 04/2013, Volume 210, Issue 4, pp. 687 - 694
Light trapping enhancement by plasmonic‐active metal nanoparticles (NPs) is believed to be a promising approach to increase silicon‐based solar cell... 
photoconductance | gold nanoparticles | plasmonics | antireflection | PHYSICS, CONDENSED MATTER | STATES | PHYSICS, APPLIED | MATERIALS SCIENCE, MULTIDISCIPLINARY | LIGHT | SILVER NANOPARTICLES | PHOTOCURRENT | INTERFACE | ENHANCEMENT | ABSORPTION | PLASMONIC SOLAR-CELLS | Nanoparticles | Silicon | Titanium dioxide | Optical properties | Analysis | Photovoltaic cells | Solar energy
Journal Article
Semiconductor Science and Technology, ISSN 0268-1242, 01/2011, Volume 26, Issue 1, p. 014003
We realized a fast single-photon source based on self-organized quantum dots (QDs). In a p-i-n structure a single electron and a single hole are funnelled into... 
PHYSICS, CONDENSED MATTER | DRIVEN | MATERIALS SCIENCE, MULTIDISCIPLINARY | ENGINEERING, ELECTRICAL & ELECTRONIC
Journal Article
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