Results 121 to 130 of about 524,649 (381)

Patterned Assembly of Transition Metal Dichalcogenide/Graphene Heterostructures via Direct Laser Writing

open access: yesAdvanced Functional Materials, EarlyView.
The fabrication of patterned transition metal dichalcogenide (TMD)/graphene heterostructures via direct laser writing reveals new interface chemistry and enables efficient, customizable assembly. Selective laser irradiation of functionalized TMD/graphene triggers localized reactions, forming chemically modified interfaces.
Xin Chen   +12 more
wiley   +1 more source

Exploring the Electrical Properties of Twisted Bilayer Graphene [PDF]

open access: yes, 2019
Two-dimensional materials exhibit properties unlike anything else seen in conventional substances. Electrons in these materials are confined to move only in the plane.
Greenlee, Byron D.   +4 more
core   +1 more source

Charge detection in a bilayer graphene quantum dot

open access: yes, 2011
We show measurements on a bilayer graphene quantum dot with an integrated charge detector. The focus lies on enabling charge detection with a 30 nm wide bilayer graphene nanoribbon located approximately 35 nm next to a bilayer graphene quantum dot with ...
Chen   +32 more
core   +1 more source

Full Bulk Spin Polarization and Intrinsic Tunnel Barriers at the Surface of Layered Manganites [PDF]

open access: yes, 2005
Transmission of information using the spin of the electron as well as its charge requires a high degree of spin polarization at surfaces. At surfaces however this degree of polarization can be quenched by competing interactions.
Badica, Elvira   +7 more
core   +2 more sources

Faithful tight-binding models and fragile topology of magic-angle bilayer graphene [PDF]

open access: yesPhysical review B, 2018
The authors report on the construction of a faithful tight-binding model for twisted bilayer graphene, which led them to a precise characterization of its band topology.
H. Po   +5 more
semanticscholar   +1 more source

Enhanced Magnetization Switching Efficiency via Orbital‐Current‐Induced Torque in Ti/Ta (Pt)/CoFeB/MgO Structures

open access: yesAdvanced Functional Materials, EarlyView.
The orbital‐current‐induced torque is investigated as an efficient method for controlling magnetization direction. By introducing Ti as an orbital current source in Ti/Ta (or Pt)/CoFeB/MgO structures, the switching current is reduced by ∼25% compared to a conventional spin‐orbit torque structure of Ta/CoFeB/MgO.
So y. Shin   +3 more
wiley   +1 more source

Characterizing top gated bilayer graphene interaction with its environment by Raman spectroscopy

open access: yes, 2011
In this work we study the behavior of the optical phonon modes in bilayer graphene devices by applying top gate voltage, using Raman scattering. We observe the splitting of the Raman G band as we tune the Fermi level of the sample, which is explained in ...
Ando   +35 more
core   +1 more source

Berry Phase Transition in Twisted Bilayer Graphene [PDF]

open access: yes, 2016
The electronic dispersion of a graphene bilayer is highly dependent on rotational mismatch between layers and can be further manipulated by electrical gating.
Haug, Rolf J.   +3 more
core   +2 more sources

Theory of Phonon-Mediated Superconductivity in Twisted Bilayer Graphene. [PDF]

open access: yesPhysical Review Letters, 2018
We present a theory of phonon-mediated superconductivity in near magic angle twisted bilayer graphene. Using a microscopic model for phonon coupling to moiré band electrons, we find that phonons generate attractive interactions in both s- and d-wave ...
Fengcheng Wu   +3 more
semanticscholar   +1 more source

Strategies to Design and Optimize Artificial Antigen‐Presenting Cells for T Cell Expansion in Cancer Immunotherapy

open access: yesAdvanced Functional Materials, EarlyView.
This review highlights recent advances in engineering artificial antigen‐presenting cells (aAPCs) as alternatives to dendritic cells for T cell expansion. Key design principles inspired by the immunological synapse are discussed, with emphasis on strategies for polyclonal and antigen‐specific T cell expansion.
Nguyen Thi Nguyen, Yu Seok Youn
wiley   +1 more source

Home - About - Disclaimer - Privacy