Search results for ws2

Nanomaterials Mar 3, 2021

Teaching a machine how to identify imperfections in 2-D materials

Just as James Cameron's Terminator-800 was able to discriminate between "clothes, boots, and a motorcycle," machine-learning could identify different areas of interest on 2-D materials.

General Physics Feb 15, 2021

Moiré patterns facilitate discovery of novel insulating phases

Materials having excess electrons are typically conductors. However, moiré patterns—interference patterns that typically arise when one object with a repetitive pattern is placed over another with a similar pattern—can suppress ...

Nanophysics Feb 8, 2021

Scientists create armour for fragile quantum technology

An international team of scientists has invented the equivalent of body armour for extremely fragile quantum systems, which will make them robust enough to be used as the basis for a new generation of low-energy electronics.

Nanophysics Feb 4, 2021

Transistors built from ultra-thin 2-D materials take a step forward

wo-dimensional materials can be used to create smaller, high-performance transistors traditionally made of silicon, according to Saptarshi Das, assistant professor of engineering science and mechanics (ESM) in Penn State's ...

Nanophysics Dec 17, 2020

Research team identifies second-harmonics generation interference in 2-D heterobilayers

Since the invention of world's first laser—the ruby laser—in 1960, the human desire to control light has spread to various industries, including telecommunications, medicine, GPS, optical sensors and optical computers. Recently, ...

Nanomaterials Nov 19, 2020

A 2-D perspective: Stacking materials to realize a low power consuming future

Scientists have designed a 2-D material-based multi-stacked structure comprising tungsten disulfide (WS2) layer sandwiched between hexagonal boron nitride (hBN) layers that displays long-range interaction between successive ...

Materials Science Nov 17, 2020

Taking charge to find the right balance for advanced optoelectronic devices

2-D materials, consisting of a single layer of atoms, are revolutionizing the field of electronics and optoelectronics. They possess unique optical properties that their bulky counterparts do not, spurring the creation of ...

Quantum Physics Nov 11, 2020

Researchers trap electrons to create elusive crystal

Like restless children posing for a family portrait, electrons won't hold still long enough to stay in any kind of fixed arrangement.

General Physics Oct 22, 2020

Shedding light on moiré excitons: A first-principles perspective

Moiré superlattices that are located within van der Waals (vdW) heterostructures can trap long-lived interlayer excitons to form ordered quantum dot arrays, paving the way for unprecedented optoelectronic and quantum information ...

Nanophysics Oct 21, 2020

Kitchen-temperature supercurrents from stacked 2-D materials

Could a stack of 2-D materials allow for supercurrents at ground-breaking warm temperatures, easily achievable in the household kitchen?

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