Twist Angle-Dependent Optical Responses in Controllably Grown WS2 Vertical Homojunctions
Sign Up to like & getrecommendations! Published in 2020 at "Chemistry of Materials"
DOI: 10.1021/acs.chemmater.0c03413
Abstract: Interlayer coupling in two-dimensional (2D) materials with specific stacking modes results in angle-dependent electrical and optical behaviors. Compared to multilayered WS2 with a 0° twist angle gr... read more here.
Keywords: controllably grown; responses controllably; optical responses; twist angle ... See more keywords
Twist Angle Tuning of Moiré Exciton Polaritons in van der Waals Heterostructures
Sign Up to like & getrecommendations! Published in 2022 at "Nano Letters"
DOI: 10.1021/acs.nanolett.2c01175
Abstract: Twisted atomically thin semiconductors are characterized by moiré excitons. Their optical signatures and selection rules are well understood. However, their hybridization with photons in the strong coupling regime for heterostructures integrated in an optical cavity… read more here.
Keywords: tuning moir; twist angle; moir exciton; angle tuning ... See more keywords
Controlled Folding of Single Crystal Graphene.
Sign Up to like & getrecommendations! Published in 2017 at "Nano letters"
DOI: 10.1021/acs.nanolett.6b04459
Abstract: Folded graphene in which two layers are stacked with a twist angle between them has been predicted to exhibit unique electronic, thermal, and magnetic properties. We report the folding of a single crystal monolayer graphene… read more here.
Keywords: folding single; controlled folding; single crystal; graphene ... See more keywords
Extracting the Strain Matrix and Twist Angle from the Moiré Superlattice in van der Waals Heterostructures.
Sign Up to like & getrecommendations! Published in 2022 at "ACS nano"
DOI: 10.1021/acsnano.1c09789
Abstract: When two atomic layers are brought into contact at a relative twist angle, a large-scale pattern, called a moiré superlattice, emerges due to the (angular or lattice) mismatch between the layers. This has profound consequences… read more here.
Keywords: moir superlattice; twist angle; moir; pattern ... See more keywords
Twist Angle-Dependent Molecular Intercalation and Sheet Resistance in Bilayer Graphene.
Sign Up to like & getrecommendations! Published in 2022 at "ACS nano"
DOI: 10.1021/acsnano.2c03997
Abstract: Bilayer graphene (BLG) has a two-dimensional (2D) interlayer nanospace that can be used to intercalate molecules and ions, resulting in a significant change of its electronic and magnetic properties. Intercalation of BLG with different materials,… read more here.
Keywords: blg; twist angle; sheet resistance; twist ... See more keywords
Thickness- and Twist-Angle-Dependent Interlayer Excitons in Metal Monochalcogenide Heterostructures.
Sign Up to like & getrecommendations! Published in 2022 at "ACS nano"
DOI: 10.1021/acsnano.2c07394
Abstract: Interlayer excitons, or bound electron-hole pairs whose constituent quasiparticles are located in distinct stacked semiconducting layers, are being intensively studied in heterobilayers of two-dimensional semiconductors. They owe their existence to an intrinsic type-II band alignment… read more here.
Keywords: angle dependent; twist angle; interlayer excitons;
Ultra-flat twisted superlattices in 2D heterostructures
Sign Up to like & getrecommendations! Published in 2020 at "npj Computational Materials"
DOI: 10.1038/s41524-020-00364-w
Abstract: Moiré-superlattices are ubiquitous in 2D heterostructures, strongly influencing their electronic properties. They give rise to new Dirac cones and are also at the origin of the superconductivity observed in magic-angle bilayer graphene. The modulation amplitude… read more here.
Keywords: external strain; ultra flat; flat twisted; corrugation ... See more keywords
Tuning the electronic properties of bilayer black phosphorene with the twist angle
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Chemistry C"
DOI: 10.1039/d0tc00062k
Abstract: Two-dimensional (2D) twisted bilayer materials have displayed rich new physics, depending on the interlayer interaction mediated by the twist angle. Here, we performed systematic first-principles calculations to investigate the structural and electronic properties of twisted… read more here.
Keywords: bilayer black; electronic properties; twist angle; black phosphorene ... See more keywords
Twist-angle-controlled neutral exciton annihilation in WS2 homostructures.
Sign Up to like & getrecommendations! Published in 2022 at "Nanoscale"
DOI: 10.1039/d2nr00195k
Abstract: Exciton-exciton annihilation (EEA), as typical nonradiative recombination, plays an unpopular role in semiconductors. The nonradiative process significantly reduces the quantum yield of photoluminescence, which substantially inhibits the maximum efficiency of optoelectronic devices. Recently, laser irradiation,… read more here.
Keywords: ws2 homostructures; twist angle; exciton annihilation; angle ... See more keywords
Twist angle-dependent work functions in CVD-grown twisted bilayer graphene probed by Kelvin probe force microscopy.
Sign Up to like & getrecommendations! Published in 2023 at "Nanoscale"
DOI: 10.1039/d2nr07242d
Abstract: Tailoring the interlayer twist angle of bilayer graphene (BLG) significantly affects its electronic properties, including its superconductivity, topological transitions, ferromagnetic states, and correlated insulating states. These exotic electronic properties are sensitive to the work functions… read more here.
Keywords: angle dependent; twist angle; microscopy; work ... See more keywords
Experimental evidence for interlayer decoupling distance of twisted bilayer graphene
Sign Up to like & getrecommendations! Published in 2018 at "AIP Advances"
DOI: 10.1063/1.5042782
Abstract: Twisted bilayer graphene (tBLG) is two stacked single graphene sheets rotated at a specific angle. The twist angle plays an important role in the physical properties of the tBLG. In this study, we analyzed the… read more here.
Keywords: bilayer graphene; distance; graphene; interlayer ... See more keywords