Sentences with phrase «superlattices with»

Mid-Infrared and Far - Infrared Optics and Optoelectronic Devices, Active Plasmonics and Metamaterials with Gain Media, Reconfigurable Metainterfaces Based on Phased Optical Antenna Arrays, Mid-Infrared and Terahertz Quantum Cascade Lasers, Semiconductor Quantum Wells and Superlattices with Largely Tunable Optical Properties, Infrared Imaging and Spectroscopy, Nanophotonics, Graphene Optoelectronic Devices

The new method could also yield superlattices with thousands of alternating layers, which is not possible using traditional approaches.

When mixed and annealed, the tetrahedral arrays formed superlattices with long - range order where the positions of the gold nanoparticles mimics the arrangement of carbon atoms in a lattice of diamond, but at a scale about 100 times larger.

Most importantly, the new method easily yields superlattices with tens, hundreds or even thousands of alternating layers, which is not yet possible with other approaches.

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.

«Traditional semiconductor superlattices can usually only be made from materials with highly similar lattice symmetry, normally with rather similar electronic structures,» Huang said.

This new class of superlattices alternates 2D atomic crystal sheets that are interspaced with molecules of varying shapes and sizes.

Following that success, the team inserted different types of ammonium molecules with various sizes and symmetries into a series of 2D materials to create a broad class of superlattices.

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.

«For the first time, we have created stable superlattice structures with radically different layers, yet nearly perfect atomic - molecular arrangements within each layer.

The images below the schematic are (left to right): a reconstructed cryo - EM density map of the tetrahedron, a caged particle shown in a negative - staining TEM image, and a diamond superlattice shown at high magnification with cryo - STEM.