Tunable Multilevel Gate Oxide Capacitance and Flat‐Band Voltage Shift Characteristics by Filament Formation in Double‐Floating‐Gate Metal–Oxide–Semiconductor Capacitors
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Electronic Materials"
DOI: 10.1002/aelm.202201110
Abstract: Tunable multilevel gate oxide capacitance and flat‐band voltage shift characteristics in double‐floating‐gate metal–oxide–semiconductor (DFG‐MOS) capacitors are investigated for non‐volatile memory and programmable logic device applications. The DFG‐MOS capacitor with the structure of Ag(control gate)/CeO2(upper control… read more here.
Keywords: gate oxide; flat band; band voltage; gate ... See more keywords
Interplay between the Kagome flat band and the Dirac cone in porous graphitic networks
Sign Up to like & getrecommendations! Published in 2017 at "Carbon"
DOI: 10.1016/j.carbon.2017.08.040
Abstract: Abstract We have investigated the geometric and electronic structures of porous graphene consisting of triangular hydrocarbon molecules polymerized by oligoacene interconnects by density functional theory. The networks possess both Dirac cones and Kagome flat bands… read more here.
Keywords: dirac cone; kagome flat; interplay kagome; band ... See more keywords
WITHDRAWN: Determination of well flat band condition in thin film FDSOI transistors using C-V measurement for accurate parameter extraction
Sign Up to like & getrecommendations! Published in 2017 at "Microelectronic Engineering"
DOI: 10.1016/j.mee.2017.05.016
Abstract: For advanced gate stacks, effective work function (WFeff) and equivalent oxide thickness (EOT) are fundamental parameters for technology optimization. On FDSOI transistors, and contrary to the bulk technologies, while EOT can be still extracted at… read more here.
Keywords: flat band; extraction; band condition; well flat ... See more keywords
Flat-band ferromagnetism of SU(N) Hubbard model on Tasaki lattices
Sign Up to like & getrecommendations! Published in 2019 at "Science Bulletin"
DOI: 10.1016/j.scib.2019.08.013
Abstract: We investigate the para-ferro transition of the repulsive SU($N$) Hubbard model on one- and two-dimensional Tasaki lattices. Under certain restrictions for constructing localized many-particle ground states of flat-band ferromagnetism, the quantum strongly correlated electrons model… read more here.
Keywords: hubbard model; band ferromagnetism; flat band; tasaki ... See more keywords
Flat-band voltage shift of 4H-SiC MOS capacitors induced by interface dipole layer formation at the oxide-semiconductor and oxide-oxide interfaces
Sign Up to like & getrecommendations! Published in 2021 at "Solid-state Electronics"
DOI: 10.1016/j.sse.2021.108115
Abstract: Abstract The positive flat-band voltage (VFB) shifts of 4H-SiC (0001) MOS capacitors with Al2O3/SiO2 dielectric layers were systematically investigated. After nitridation, there was a negative shift of VFB due to the dipole layer at the… read more here.
Keywords: shift; mos capacitors; flat band; dipole layer ... See more keywords
Flat-Band-Induced Many-Body Interactions and Exciton Complexes in a Layered Semiconductor.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.2c02965
Abstract: Interactions among a collection of particles generate many-body effects in solids that result in striking modifications of material properties. The heavy carrier mass that yields strong interactions and gate control of carrier density over a… read more here.
Keywords: flat band; many body; exciton complexes; band induced ... See more keywords
Flat-Band Electronic Structure and Interlayer Spacing Influence in Rhombohedral Four-Layer Graphene.
Sign Up to like & getrecommendations! Published in 2018 at "Nano letters"
DOI: 10.1021/acs.nanolett.8b02530
Abstract: The stacking order of multilayer graphene significantly influences its electronic properties. The rhombohedral stacking sequence is predicted to introduce a flat band, which has high density of states and the enhanced Coulomb interaction between charge… read more here.
Keywords: interlayer spacing; electronic structure; graphene; band ... See more keywords
Evidence of two-dimensional flat band at the surface of antiferromagnetic kagome metal FeSn
Sign Up to like & getrecommendations! Published in 2021 at "Nature Communications"
DOI: 10.1038/s41467-021-25705-1
Abstract: The kagome lattice has long been regarded as a theoretical framework that connects lattice geometry to unusual singularities in electronic structure. Transition metal kagome compounds have been recently identified as a promising material platform to… read more here.
Keywords: surface; two dimensional; metal; band ... See more keywords
Majorana flat band edge modes of topological gapless phase in 2D Kitaev square lattice
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-41529-y
Abstract: We study a Kitaev model on a square lattice, which describes topologically trivial superconductor when gap opens, while supports topological gapless phase when gap closes. The degeneracy points are characterized by two vortices in momentum… read more here.
Keywords: flat band; band; gapless phase; topological gapless ... See more keywords
Flat Band and Hole-induced Ferromagnetism in a Novel Carbon Monolayer
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-56738-8
Abstract: In recent experiments, superconductivity and correlated insulating states were observed in twisted bilayer graphene (TBG) with small magic angles, which highlights the importance of the flat bands near Fermi energy. However, the moiré pattern of… read more here.
Keywords: carbon monolayer; hole; band; novel carbon ... See more keywords
Flat band potential determination: avoiding the pitfalls
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Chemistry A"
DOI: 10.1039/c9ta09569a
Abstract: Re-examination of methodologies used for flat band potential determination to help avoid misleading results from the Mott–Schottky approximation. read more here.
Keywords: band potential; avoiding pitfalls; determination avoiding; flat band ... See more keywords