[PDF] Top 20 Characteristics of III-Nitride photodiodes with self-assembled quantum dots
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Characteristics of III-Nitride photodiodes with self-assembled quantum dots
... Characteristics of III-nitride photodiodes with self-assembled quantum dots Liang-Wen Ji a , Te-Hua Fang b, ⁎ , Sheng-Joue Young c , Chi-Chung Liu a , ... See full document
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Photoluminescence Characteristics of InAs self-assembled Quantum dots in InGaAs/GaAs Quantum well
... little with T, indicating the weak carrier migration among different QDs, which is same as PL characteristics of a single ...lifetimes of all three samples increase as T rises from 50 to⬃150 ... See full document
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Deep level transient spectroscopy characterization of InAs self-assembled quantum dots
... Faculty of Radiophysics of Kiev Taras Shevchenko University, 64 Vladimirskaya Street, Kiev, Ukraine 共Received 3 July 2000; accepted for publication 3 November 2000兲 Deep level transient spectroscopy 共DLTS兲 ... See full document
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Room temperature negative differential capacitance in self-assembled quantum dots
... investigation of structures with self- assembled quantum dots (QDs) has drawn the increasing attention of researchers because of their potential application in ... See full document
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Spin characteristics of excitonic absorption in multiply charged quantum dots
... semiconductor quantum dots has drawn a great deal of attention for years in both applied and fundamental ...tion of electron spin in charged quantum dots 共QDs兲 have been achieved ... See full document
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Growth evolution and magneto-optical characteristics of self-assembled ZnTe/ZnMnSe quantum dots
... magneto-optical characteristics of the self-assembled single-layer ZnTe/ ZnMnSe quantum dots grown by molecular beam epitaxy were ...observed with a significantly increased ... See full document
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Recessed Oxynitride Dots on Self-Assembled Ge Quantum Dots Grown by LPD
... are of great interest in optoelec- tronics and high-speed electronics due to their ability for integration with Si ...photodetectors with Ge/Si quantum dot absorption layers are demonstrated ... See full document
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Characterization of self-assembled InAs quantum dots with InAlAs/InGaAs strain-reduced layers by photoluminescence spectroscopy
... optoelectronic characteristics of self-assembled InAs quantum dots 共QDs兲 with strain-reduced layers 共SRLs兲 were investigated using photoluminescence 共PL兲 ...As with ... See full document
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InGaN self-assembled quantum dots grown by metal-organic chemical vapour deposition with growth interruption
... InGaN quantum dots (QDs) were grown by metal–organic chemical vapour deposition with growth interruption at low V/III ratio and low growth temperature on sapphire ...effects of the ... See full document
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Dominant channels of exciton spin relaxation in photoexcited self-assembled (In,Ga)As quantum dots
... −1 of single excitons in QDs of fixed thickness d z = 3 nm but with varying lateral ...rate of the exciton is at the scale of 10 −3 –10 −2 ns −1 consistent with recent ...order ... See full document
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Evolution of self-assembled InAs quantum ring formation
... image of sample I shown in Fig. 1共a兲, two groups of dots with different sizes are ...in self-assembled QD ...ber of nucleation ...deposition of In atoms will result ... See full document
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Influences of Template Layer Thickness on Strain Fields and Transition Energies in Self-assembled SiGe/Si Quantum Dots
... three-dimensional quantum confinements, quan- tum dots 共QDs兲 possess several interesting characteristics, including discrete energy levels and “atomlike” electronic ...These characteristics ... See full document
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DLTS characterization of InAs self-assembled quantum dots
... Low temperature ( at 20K) photoluminescence (PL) spectra were measured using argon laser for excitation. InGaAs detector and Si-PMT were used for light detection. Before each scan, t[r] ... See full document
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Emission dynamics of InAs self-assembled quantum dots with different cap layer structures
... properties of self-assembled InAs quantum dots with different cap layers are investigated by steady-state and time-resolved photoluminescence ...uniformity of the ... See full document
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Mechanical and optical properties of InAs/GaAs self-assembled quantum dots
... applications of self-assembled quantum ...theory of linear elasticity is developed to analyze the strain field induced by lattice-mismatch between quantum dot and ... See full document
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Anomalous optical magnetic shift of self-assembled GaSb/GaAs quantum dots
... measured with the magnetic field applied along the growth direction (in a Faraday configu- ...shifts of the QDs and the WL as a function of the magnetic ...coefficients of the WL emis- sion ... See full document
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Strain study of self-assembled InAs quantum dots by ion channeling technique
... monolayer of InAs is not enough to cause any change in the angular scan ...size of the dots, measured from transmission elec- tron microscope 共TEM兲 and AFM images, was about 4 nm in height and 20 nm ... See full document
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Optical fine structures of highly quantized InGaAs/GaAs self-assembled quantum dots
... feature of Fig. 1, we calculate the FSSs for QDs of various sizes 共L y = 8 – 12 nm兲, diffusion lengths 共l D = 0 , ...the quantum size effect in the small QDs reduces the FSSs but within a narrow ... See full document
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Two-step strain analysis of self-assembled InAs/GaAs quantum dots
... properties of self-assembled InAs / GaAs quantum dots grown by epitaxy are ...the self-assembly process of the quantum dots, it might be reasonable to assume ... See full document
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Energy-dependent carrier relaxation in self-assembled InAs quantum dots
... increases with E gs but then declines. For the QDs with an E gs of lower than about ...typical quantum size effect. However, for the small dots whose ground state energies exceed ...the ... See full document
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