Search results for tunnel diode

Nanophysics Apr 6, 2021

High-order superlattices by rolling up van der Waals heterostructures

Two-dimensional (2D) materials and van der Waals (vdW) heterostructures are flexible materials with distinct atomic layers beyond traditional units of lattice-matching requirements. Nevertheless, the 2D van der Waals structures ...

Optics & Photonics Mar 9, 2021

Microscope allows ultrafast nanoscale manipulation while tracking energy dynamics

Since the early 2010s, ultrafast probing of materials at atomic-level resolution has been enabled by terahertz scanning tunneling microscopes (THz-STM). But these devices can't detect the dissipation of energy that happens ...

Optics & Photonics Mar 8, 2021

Key step reached to­ward long-​sought goal of a silicon-​based laser

When it comes to microelectronics, there is one chemical element like no other: silicon, the workhorse of the transistor technology that drives our information society. The countless electronic devices we use in everyday ...

General Physics Jan 12, 2021

The realization of a single-quantum-dot heat valve

While many research teams worldwide are trying to develop highly performing quantum computers, some are working on tools to control the flow of heat inside of them. Just like conventional computers, in fact, quantum computers ...

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 ...

General Physics Sep 18, 2020

Resonant tunneling diode oscillators for terahertz-wave detection

A semiconductor device that is promising for both generating and detecting terahertz radiation has been demonstrated by physicists at RIKEN. This may aid the development of high-performance integrated solutions for terahertz ...

Nanophysics Sep 3, 2020

Autonomous robot plays with NanoLEGO

Molecules are the building blocks of everyday life. Many materials are composed of them, a little like a LEGO model consists of a multitude of different bricks. But while individual LEGO bricks can be simply shifted or removed, ...

Quantum Physics Jul 3, 2020

Wiring a new path to scalable quantum computing

Last year, Google produced a 53-qubit quantum computer that could perform a specific calculation significantly faster than the world's fastest supercomputer. Like most of today's largest quantum computers, this system boasts ...

General Physics Jun 17, 2020

Simultaneous nodal superconductivity and broken time-reversal symmetry in CaPtAs

In the vast majority of superconducting materials, Cooper pairs have what is known as even parity, which essentially means that their wave function does not change when electrons swap spatial coordinates. Conversely, some ...

Nanomaterials Jun 2, 2020

Molecular circuitry: Team breaks one-diode-one resistor electronics

An international team with ties to UCF has cracked a challenge that could herald a new era of ultra-high-density computing.

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