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   Articles with "superlattice" as a keyword



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Tunable Moiré Superlattice of Artificially Twisted Monolayers.

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recommendations! Published in 2019 at "Advanced materials"

DOI: 10.1002/adma.201901077

Abstract: Twisting between two stacked monolayers modulates periodic potentials and forms the Moiré electronic superlattices, which offers an additional degree of freedom to alter material property. Considerable unique observations, including unconventional superconductivity, coupled spin-valley states, and… read more here.

Keywords: superlattice; tunable moir; twisted monolayers; moir superlattice ... See more keywords

Metal–Halide Perovskite Nanocrystal Superlattice: Self‐Assembly and Optical Fingerprints

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recommendations! Published in 2023 at "Advanced Materials"

DOI: 10.1002/adma.202209279

Abstract: Self‐assembly of nanocrystals into superlattices is a fascinating process that not only changes geometric morphology, but also creates unique properties that considerably enrich the material toolbox for new applications. Numerous studies have driven the blossoming… read more here.

Keywords: metal halide; superlattice; halide perovskite; self assembly ... See more keywords

Lead‐Sulfide‐Based Hybrid Inorganic‐Organic Superlattice Particles for Prominent Nonlinear Optical Absorption

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recommendations! Published in 2024 at "Advanced Optical Materials"

DOI: 10.1002/adom.202401453

Abstract: Simultaneously optimizing nonlinear absorption coefficient and modulation depth is a considerable challenge for nonlinear optical materials. Here we present an effective solution through constructing PbS2‐based inorganic‐organic superlattice. PbS2/Cn superlattice particles are synthesized, where n (4,… read more here.

Keywords: nonlinear absorption; superlattice; absorption; modulation depth ... See more keywords

Optimized Low‐Loss Ge2Sb2Te5 Superlattice: Design, Fabrication and Application

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recommendations! Published in 2024 at "Advanced Optical Materials"

DOI: 10.1002/adom.202402092

Abstract: Optical phase change materials (OPCMs) hold significant promise in photonic integrated circuits (PICs) due to their non‐volatile modulation capabilities through phase transition. Recently, integrating OPCMs with silicon devices has been leveraged to achieve multi‐level modulation… read more here.

Keywords: superlattice; loss; ge2sb2te5; low loss ... See more keywords
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Interplay between Short- and Long-Ranged Forces Leading to the Formation of Ag Nanoparticle Superlattice.

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recommendations! Published in 2019 at "Small"

DOI: 10.1002/smll.201901966

Abstract: Nanoparticle (NP) superlattices have attracted increasing attention due to their unique physicochemical properties. However, key questions persist regarding the correlation between short- and long-range driving forces for nanoparticle assembly and resultant capability to predict the… read more here.

Keywords: long ranged; interplay short; superlattice; microscopy ... See more keywords

Rapid In Situ Ligand-Exchange Process Used to Prepare 3D PbSe Nanocrystal Superlattice Infrared Photodetectors.

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recommendations! Published in 2021 at "Small"

DOI: 10.1002/smll.202101166

Abstract: Colloidal semiconductor nanocrystals are important building blocks for low-cost, solution-processed electronic devices with tunable functionalities. Considerable progress is made in improving charge transport through nanocrystal films by exchanging long insulating ligands with shorter passivating ligands.… read more here.

Keywords: superlattice; ligand exchange; exchange; situ ligand ... See more keywords

Adjusting Microscale to Atomic-Scale Structural Order in PbS Nanocrystal Superlattice for Enhanced Photodetector Performance.

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recommendations! Published in 2023 at "Small"

DOI: 10.1002/smll.202300975

Abstract: An investigation is presented into the effect of the long-range order on the optoelectronic properties of PbS quantum dot (QD) superlattices, which form mesocrystals, for potential use in photodetector applications. By self-assembly of QD nanocrystals… read more here.

Keywords: pbs; superlattice; photodetector; photodetector performance ... See more keywords

Unraveling the Interplay Between Memristive and Magnetoresistive Behaviors in LaCoO3/SrTiO3 Superlattice‐Based Neural Synaptic Devices

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recommendations! Published in 2024 at "Small Methods"

DOI: 10.1002/smtd.202401259

Abstract: Memristors and magnetic tunnel junctions are showing great potential in data storage and computing applications. A magnetoelectrically coupled memristor utilizing electron spin and electric field‐induced ion migration can facilitate their operation, uncover new phenomena, and… read more here.

Keywords: superlattice; memristive magnetoresistive; unraveling interplay; lacoo3 srtio3 ... See more keywords

In-situ liquid cell TEM investigation on assembly and symmetry transformation of Pt superlattice

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recommendations! Published in 2019 at "Science China Materials"

DOI: 10.1007/s40843-019-1219-y

Abstract: Two dimensional (2D) nanocrystal functional superlattices with a well controlled structure are of significant importance in photonic, plasmonic and optoelectronic applications and have been well studied, but it remains challenging to understand the formation mechanism… read more here.

Keywords: cell tem; situ liquid; tem investigation; superlattice ... See more keywords
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Towards excellent electrical conductivity and high-rate capability: A degenerate superlattice Ni3(S)1.1(S2)0.9 micropyramids electrode

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recommendations! Published in 2020 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2020.155590

Abstract: Abstract Degenerate semiconductor is very highly desired in energy conversion and storage technologies due to its metal-like conduction behaviors. This is the first time the doping S2 in Ni3S2 lattice into chemically homogeneous Ni3(S)1.1(S2)0.9 superlattice… read more here.

Keywords: superlattice; rate capability; electrical conductivity; high rate ... See more keywords

Molecular beam epitaxy growth of InAs/AlSb superlattices on GaAs substrates

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recommendations! Published in 2019 at "Journal of Crystal Growth"

DOI: 10.1016/j.jcrysgro.2019.06.013

Abstract: Abstract We report on the molecular beam epitaxial growth of 13ML InAs/5ML AlSb type-II superlattice on highly lattice mismatched GaAs (0 0 1) substrate. The high lattice mismatch of 7.35% between the superlattice and GaAs substrate is… read more here.

Keywords: inas alsb; molecular beam; superlattice; growth ... See more keywords