silicon quantum
Water Soluble Silicon Quantum Dots with Quasi Blue Emission
... Herein, we report a kind of water-soluble and stable Si QDs by the selection of 1-vinylimidazole to coat silicon quantum dots in reverse micelles. The As-synthesized Si QDs manifest a quasi-blue light ...
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Functionalized silicon quantum dots by N vinylcarbazole: synthesis and spectroscopic properties
... Silicon quantum dots (Si QDs) attract increasing interest nowadays due to their excellent optical and electronic properties. However, only a few optoelectronic organic molecules were reported as ligands of ...
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Quantum Supercurrent Transistors in Silicon Quantum Wells Confined by Superconductor Barriers
... Figure 1. A scheme of self-assembled silicon quantum wells (Si-QWs) obtained by varying the thickness of the oxide overlayer prepared on the Si (100) wafer. The white and black balls label the ...
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Dispersive readout of a silicon quantum dot with an accumulation-mode gate sensor
... Sensitive charge detection has enabled qubit readout in solid-state systems. Recently, an alter- native to the well-established charge detection via on-chip electrometers has emerged, based on in situ gate detectors and ...
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Donor electron states for silicon quantum computing : from single spins to scaled architectures
... in silicon has been drawing more and more attention in the last years, because it allows preliminary tests of reliable schemes and suitable ranges of tunable parameters (donor implantation depth, external electric ...
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Silicon quantum dot superlattice solar cell structure including silicon nanocrystals in a photogeneration layer
... in silicon nanostructures, such as silicon nanocrystals [1-4] and silicon nanowires [5-8] for solar cell ...a silicon nanocrystal embedded in a barrier material can make carriers confined ...
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Direct Optical Energy Gap in Amorphous Silicon Quantum Dots
... use silicon as optoelec- tronics devices such as light emitting diode ...in silicon technology has led to the fabrication of zero-dimensional structure, which is called silicon nanocrystals or ...
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Investigation of hydrogen plasma treatment for reducing defects in silicon quantum dot superlattice structure with amorphous silicon carbide matrix
... of quantum dot solar cells, such as quantum size effect type, intermediate band type, and multiexciton gener- ation type, have been proposed ...The quantum size effect type utilizes the phenomenon ...
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Spectroscopical analyis of strained silicon quantum wells
... Strained silicon Quantum Wells (QW) were characterised using a variety of micro-scopical ...strained silicon quantum wells ...Si quantum wells are calculated using Raman ...
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Three-waveform bidirectional pumping of single electrons with a silicon quantum dot
... International System of Units. Here, we discuss a silicon quantum dot single-electron pump with radio frequency control over the transparencies of entrance and exit barriers as well as the dot potential. We ...
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Quantum Conductance Staircase of Edge Hole Channels in Silicon Quantum Wells
... the quantum conductance staircase instead of the plateaus as predicted in ...the quantum conduc- tance staircase as a function of the top gate voltage that controls the sheet density of holes, the parallels ...
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Impacts of Post metallisation Processes on the Electrical and Photovoltaic Properties of Si Quantum Dot Solar Cells
... on the cells’ electrical and photovoltaic properties are investigated. The Si QD solar cells studied in this work have achieved an open circuit voltage of 410 mV after various processes. Parameters extracted from dark ...
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Silicon photonic processor of two-qubit entangling quantum logic
... of quantum mechanics, and is a primary resource in quantum information ...same silicon chip. Using quantum state tomography, we show how our source can produce a range of entangled and ...
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Scanning tip measurement for identification of point defects
... Self-assembled iron-silicide nanostructures were prepared by reactive deposition epitaxy of Fe onto silicon. Capacitance-voltage, current-voltage, and deep level transient spectroscopy (DLTS) were used to measure ...
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Observation of Quantum Size Effect from Silicon Nanowall
... down and bottom-up, i.e., etching of bulk Si [12–16] and growing Si nanowire on a substrate [17]. The advantage of the top-down process is the easy control of the direction of nanostructured Si. The starting material of ...
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Light emitting diodes enhanced by localized surface plasmon resonance
... incorporating quantum dots [QDs] and quantum wells [QWs] have been exten- sively investigated in order to achieve the desirable emission color and enhance device efficiency ...internal quantum ...
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CMOS Integration of High Performance Quantum Dot Lasers For Silicon Photonics
... of Silicon Photonic ...the silicon photonic platform, such as wafer bonding, direct growth, butt coupling, ...InAs quantum dot (QD) lasers monolithically integrated with silicon waveguides and ...
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Nanocapacitor with a Cantor Multi Layered Structure
... inserting Silicon at the middle of the nanostruc- ture (Figure 3(b)), the total capacitance will be equal to two capacitors in series with capacitance three times bigger than C 0 , due to the width reduction ...
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Fabrication of Silicon Carbide Quantum Dots via Chemical Etching Approach and Fluorescent Imaging for Living Cells
... SiC Quantum Dots Fabrication and the Optical Properties After the aqueous solution has been treated by ultrasonic cavitation, size distribution of the SiC particles was inhomogeneous in the size scope of <10 nm ...
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A review on Fabrication of Dye-sensitized solar cells.
... amount of materials in order to prepare a tiny cell [7]. A report on cost profile of PV technologies disclosed that monocrystalline, multicrystalline, and amorphous silicon based solar panels cost $3.83, $3.43, ...
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