[PDF] Top 20 Superconductivity in Ge/Si core shell nanowire quantum dots
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Superconductivity in Ge/Si core shell nanowire quantum dots
... The devices we measured all went through the same design procedure where only the evaporated materials differed from each other. In table 3.1 a quick overview of the samples measured before and during this project and ... See full document
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Biotoxicity of CdS/CdSe Core Shell Nano Structures
... the core-shell ...CdS/CdSe core-shell hetrostructure quantum dots (QDs) were generated by chemical reaction between the respective chalcogens and cadmium metal ...CdS core ... See full document
8
Self formed quantum wires and dots in GaAsP–GaAsP core–shell nanowires
... To probe further the origin of the sharp 610 − 670 nm emission lines, polarization and power-dependent measure- ments were performed with the laser spot focused on the middle of the nanowire. Figure 5b shows ... See full document
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Electronic states of elongated PbSe/PbS Core/shell quantum dots
... nanocrystal quantum dots, also known as “artificial atoms”, may be used to overcome this limit ...PbSe/PbS core/shell colloidal QDs, for elongation in both longitudinal (z) and equivalent ... See full document
6
Observation and tunability of room temperature photoluminescence of GaAs/GaInAs core multiple quantum well shell nanowire structure grown on Si (100) by molecular beam epitaxy
... GaAs/GaInAs core-multiple- quantum-well (MQW) shell nanowires (NWs) surrounded by AlGaAs grown by molecular beam epitaxy (MBE) using a self-catalyzed ...GaAs core NWs and the GaInAs MQW ... See full document
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The Synthesis and Characterization of Core Shell Quantum Dots via Three Phase System
... CdMA (myristic acid) and n-trioctylphosphine oxide (TOPO) or oleic oil (OA) in toluene and a solution of thiourea in water mixed and heated with stirring. The CdS nanocrystals grew at the liquid-liquid interface as the ... See full document
8
Design of core/shell colloidal quantum dots for MEG solar cells
... After several years as a Postdoctoral Researcher with the University of Surrey and University of Sheffield, U.K., in 2003, he joined the STFC Dares- burt Laboratories as a Senior Research Scientist, where he has worked ... See full document
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The Association of Gender, Age, and Coping with Internalizing Symptoms in Youth with Sickle Cell Disease
... CdSe/CdS core/shell quantum dots in solvent mixtures with three different representative amines - primary, secondary and tertiary - via a SILAR ...the shell precursors as seen ...when ... See full document
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Shell Thickness Dependence of Interparticle Energy Transfer in Core Shell ZnSe/ZnSe Quantum Dots Doping with Europium
... semiconductor quantum dots have received particular attention in the field of nanomaterials, due to their excellent photoelectric properties, such as multispectral luminescence, long fluor- escent life, ... See full document
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Highly tunable hole quantum dots in Si Ge shell core nanowires
... To characterize the effect of the gates on the conductance of the wire, we measure source-drain current as a function of gate voltage for each gate, as seen in figure 4.2. Increasing a gate voltage locally decreases the ... See full document
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Synthesis of Aqueous CdTe/CdS/ZnS Core/shell/shell Quantum Dots by a Chemical Aerosol Flow Method
... In recent years, colloidal semiconductor nanocrystals or quantum dots (QDs) have attracted great scientific and technological interest due to their unique size-dependent properties [1–3]. By changing the ... See full document
6
Influence of the Shell Thickness and Ratio Between Core Elements on Photostability of the CdTe/CdS Core/Shell Quantum Dots Embedded in a Polymer Matrix
... The rate of the Pl intensity drop decreases significantly with the increase of QDs passivation time. The first three kinetic curves corresponding to the thermal treat- ment period up to 6 h can be fit well by the ... See full document
8
Andreev molecules in semiconductor nanowire double quantum dots
... peaks. Two of the peaks move to higher bias toward the gap edge, while the other pair meets at zero bias. The two merged resonances stick to zero bias at finite field. This effect has been investigated as a signature of ... See full document
6
Using CdTe/ZnSe core/shell quantum dots to detect DNA and damage to DNA
... may lead to deprotonation of N1 G, while the coordination to N7 (A; here in ATP) induces the pyramidal character group of NH 2 (A) and makes it a good acceptor of proton, 2) G–G reverse Hoogsteen base-pairing is ... See full document
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The curious case of exploding quantum dots: anomalous migration and growth behaviors of Ge under Si oxidation
... CTEM, scanning transmission electron microscopy (STEM), and EDX were conducted using a JEOL JEM- 2100 LaB6 transmission electron microscope (JEOL, Akishima-shi, Japan) and a FEI Tecnai Osiris transmis- sion electron ... See full document
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Quantifying the cellular uptake of semiconductor quantum dot nanoparticles by analytical electron microscopy
... to quantum dots for 1 h, ...dense quantum dots, contrary to the protocol suggested in previous studies (Denk & Horstmann, 2004, Hughes et ...the quantum dot- filled membrane-bound ... See full document
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Evaluation of InAs quantum dots on Si as optical modulator
... on Si to exhibit high-efficiency electrically injected lasing as well as ...However, Si-based light emitters and electroabsorption modulators exhibit very low efficiency due to Si having an indirect ... See full document
7
Theoretical studies of biexciton binding energy in CdSe/CdTe core/shell type II quantum dots
... The aim of this meeting is to bring together a diverse community in the UK and further afield: the chemists, material scientists, and physicists who synthesize, characterise and model these materials, and who seek to ... See full document
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Microwave assisted synthesis of water dispersed CdTe/CdSe core/shell type II quantum dots
... CdTe and CdTe/CdSe QDs. The illumination density of all examined solutions was normalized by adjusting their absorption values to 0.2 at the first excitation absorption peak. Figure 3d shows the PL intensity of CdTe and ... See full document
7
Sub-bandgap emission and intraband defect-related excited-state dynamics in colloidal CuInS2/ZnS quantum dots revealed by femtosecond pump-dump-probe spectroscopy
... Kraatz, IT, Booth, M, Whitaker, BJ orcid.org/0000-0003-1554-5858 et al. (2 more authors) (2014) Sub-bandgap emission and intraband defect-related excited-state dynamics in colloidal CuInS2/ZnS quantum dots ... See full document
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