Creating
a superlattice by placing graphene on boron nitride may allow control of electron motion in graphene and make graphene electronics practical.
We show further that phonon heat conduction localization happens in GaAs / AlAs
superlattice by placing ErAs nanodots at interfaces.
Not exact matches
Taking child's play with building blocks to a whole new level - the nanometer scale - scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have constructed 3D «
superlattice» multicomponent nanoparticle arrays where the arrangement of particles is driven
by the shape of the tiny building blocks.
«The aggregates are arranged in orderly
superlattice structures, which is in stark contrast to the prevailing view that the adsorption of gas molecules
by MOFs occurs stochastically.»
Compared with the conventional layer -
by - layer assembly or growth approach currently used to create 2D
superlattices, the new UCLA - led process to manufacture
superlattices from 2D materials is much faster and more efficient.
A research team led
by UCLA scientists and engineers has developed a method to make new kinds of artificial «
superlattices» — materials composed of alternating layers of ultra-thin «two - dimensional» sheets, which are only one or a few atoms thick.
The ability of these
superlattice stacks to separate electrons and holes was first predicted in 2000
by Kaspar's colleague Dr. Scott Chambers, but no practical applications were envisioned at the time.
As Liu explained, «Building diamond
superlattices from nano - and micro-scale particles
by means of self - assembly has proven remarkably difficult.
An article based on the research, «Oscillatory Noncollinear Magnetism Induced
by Interfacial Charge Transfer in
Superlattices Composed of Metallic Oxides,» appeared in Physical Review X in November.
Simulations show that although high frequency phonons are scattering
by roughness, remaining long wavelength phonons maintain their phase and traverse the
superlattices ballistically.
A research team led
by UCLA scientists and engineers has developed a method to make new kinds of artificial «
superlattices» — materials comprised of alternating layers of ultra-thin «two - dimensional» sheets, which are only one or a few atoms thick.
Superlattices are currently built
by manually stacking the ultrathin layers on top of each other.
The new
superlattices — called monolayer atomic crystal molecular
superlattices — feature a molecular layer that becomes the second «sheet» that is held in place
by van der Waals forces — weak electrostatic forces that keep otherwise neutral molecules attached to each other.