Articles with "carrier density" as a keyword



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Modulation of carrier density in graphene on polycrystalline PZT ceramic

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Published in 2017 at "Diamond and Related Materials"

DOI: 10.1016/j.diamond.2017.04.016

Abstract: Abstract Modulation of carrier density in graphene has been demonstrated on single-crystalline or polymer ferroelectrics as gating dielectric. However, its tuning from p-type to n-type in air at room temperature has not yet been reported.… read more here.

Keywords: carrier density; graphene; density graphene; modulation carrier ... See more keywords
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Nonlinear optical properties of doped quantum dots: Interplay between noise and carrier density

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Published in 2017 at "Optical Materials"

DOI: 10.1016/j.optmat.2017.04.062

Abstract: Abstract Present work explores the profiles of a few nonlinear optical (NLO) properties of doped G a A s quantum dot (QD) with special emphasis on the role played by the carrier density under the… read more here.

Keywords: carrier density; properties doped; carrier; nonlinear optical ... See more keywords
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A new method of carrier density measurement using photocurrent maps of a 2D material Schottky diode

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Published in 2021 at "Results in physics"

DOI: 10.1016/j.rinp.2021.103854

Abstract: Abstract A simple method for obtaining the charge carrier density of two-dimensional (2D) materials is proposed herein. A formula is suggested for the extraction of the 2D charge carrier density using the horizontal depletion width,… read more here.

Keywords: method; carrier density; schottky diode;

Electrical resistivity reduction and spatial homogenization of Ga-doped ZnO film by Zn layer insertion

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Published in 2020 at "Thin Solid Films"

DOI: 10.1016/j.tsf.2020.138069

Abstract: Abstract Ga-doped ZnO (GZO) films inserted with a Zn layer were deposited at room temperature by a sputtering method to decrease carrier-compensating defects. The Zn-inserted GZO films showed a resistivity decrease resulting from an increase… read more here.

Keywords: resistivity; carrier density; carrier; film ... See more keywords
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Carrier Density, Effective Mass, and Nuclear Relaxation Pathways in Plasmonic Sn:In2O3 Nanocrystals

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Published in 2020 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.0c09448

Abstract: Correlating changes in carrier density arising from incorporating dopant ions into the lattice of a plasmonic semiconductor nanocrystals (NCs) with the observed physical properties at the elemental... read more here.

Keywords: carrier density; effective mass; carrier; density effective ... See more keywords
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Reducing Carrier Density in Formamidinium Tin Perovskites and Its Beneficial Effects on Stability and Efficiency of Perovskite Solar Cells

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Published in 2018 at "ACS energy letters"

DOI: 10.1021/acsenergylett.7b00976

Abstract: In Sn-based halide perovskite solar cells (PSCs), the oxidation of Sn2+ to Sn4+ under ambient air leads to unwanted p-type doping in the perovskite film, which is a main reason for increased background carrier density… read more here.

Keywords: carrier density; perovskite solar; efficiency; solar cells ... See more keywords
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Carrier density and disorder tuned superconductor-metal transition in a two-dimensional electron system

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Published in 2018 at "Nature Communications"

DOI: 10.1038/s41467-018-06444-2

Abstract: Quantum ground states that arise at atomically controlled oxide interfaces provide an opportunity to address key questions in condensed matter physics, including the nature of two-dimensional metallic behaviour often observed adjacent to superconductivity. At the… read more here.

Keywords: carrier density; density disorder; superconductor; two dimensional ... See more keywords
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Carrier density tuning in CuS nanoparticles and thin films by Zn doping via ion exchange.

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Published in 2023 at "Nanoscale"

DOI: 10.1039/d3nr00139c

Abstract: Copper sulphide (covellite) nanoplatelets have recently emerged as a plasmonic platform in the near-infrared with ultrafast nonlinear optical properties. Here we demonstrate that the free-carrier density in CuS, which is an order of magnitude lower… read more here.

Keywords: density; ion exchange; carrier; carrier density ... See more keywords

Electronic energy model for single Shockley stacking fault formation in 4H-SiC crystals

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Published in 2019 at "Journal of Applied Physics"

DOI: 10.1063/1.5117350

Abstract: The expansion/contraction behavior of single Shockley-type stacking faults (1SSFs) in 4H-SiC crystals is investigated by using an electronic energy model. The model takes into account several factors that were not considered in the previous models… read more here.

Keywords: carrier density; model; carrier; excess carrier ... See more keywords
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Carrier density dependence of localized carrier recombination dynamics in orange-emitting InGaN/GaN nanocolumns

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Published in 2020 at "Journal of Applied Physics"

DOI: 10.1063/5.0018363

Abstract: The carrier density dependence of photoluminescence (PL) spectra, PL efficiency, and time-resolved PL (TRPL) in InGaN/GaN nanocolumns with orange emission has been measured over a wide range of carrier densities to investigate the carrier recombination… read more here.

Keywords: carrier density; ingan gan; density; density dependence ... See more keywords
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Spatially selective reversible charge carrier density tuning in WS 2 monolayers via photochlorination

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Published in 2018 at "2D Materials"

DOI: 10.1088/2053-1583/aae45c

Abstract: © 2018 IOP Publishing Ltd. Chlorine-doped tungsten disulfide monolayer (1L-WS 2 ) with tunable charge carrier concentration has been realized by pulsed laser irradiation of the atomically thin lattice in a precursor gas atmosphere. This… read more here.

Keywords: carrier density; density; carrier; charge carrier ... See more keywords