Search results for tunnel diode

Nanophysics Apr 28, 2022

Researchers create self-assembled logic circuits from proteins

In a proof-of-concept study, researchers have created self-assembled, protein-based circuits that can perform simple logic functions. The work demonstrates that it is possible to create stable digital circuits that take advantage ...

Polymers Nov 17, 2021

Researchers create novel molecules that serve as ziplines for energy

Researchers from the Universities of Bonn and Regensburg move packets of energy along a molecular ladder made of hundreds of benzene rings. Such polymers can potentially be used to design new displays based on organic light-emitting ...

Optics & Photonics Sep 24, 2021

Ultrathin electronic barrier layer to control interface luminescence

In a new publication from Opto-Electronic Advances, researchers led by Professor Xu Chunxiang, Southeast University, Nanjing, China discuss nano-buffer controlled electron tunneling to regulate heterojunctional interface ...

Superconductivity Aug 25, 2021

Fully-gapped pairing in the new vanadium-based Kagome superconductors

Due to its unique geometry, the Kagome lattice intrinsically exhibits topological electronic structures and flat bands, making it an ideal platform for studying novel emergent states. In the recently discovered Kagome superconductors ...

Optics & Photonics Aug 23, 2021

High-efficiency ultraviolet light emitting diodes to sterilize pathogens, including COVID-19

ECE Ph.D. student Ayush Pandey details the research led by Prof. Zetian Mi on using high efficiency ultraviolet light emitting diodes to sterilize pathogens. This research, "High-efficiency AlGaN/GaN/AlGaN tunnel junction ...

General Physics Jul 28, 2021

A single-molecule laser nanospectroscopy technique with micro-electron volt energy resolution

When molecules are excited, they can give rise to a variety of energy conversion phenomena, such as light emission and photoelectric or photochemical conversion. To unlock new energy conversion functions in organic materials, ...

Optics & Photonics Jul 7, 2021

Beyond 5G: Wireless communications may get a boost from ultra-short collimating metalens

Screens may be larger on smartphones now, but nearly every other component is designed to be thinner, flatter and tinier than ever before. The engineering requires a shift from shapely, and bulky lenses to the development ...

Nanophysics May 13, 2021

Contact-free nanoscopy concept shows potential for investigating conductivity of materials

A team of physicists from Germany, the .S. and the U.K. managed to observe the motion of electrons from one atomically thin layer into an adjacent one with nanoscale spatial resolution. The new contact-free nanoscopy concept, ...

Optics & Photonics Apr 29, 2021

Silicon multiplexer chip will drive next generation communications

Researchers from Osaka University, Japan and the University of Adelaide, Australia have worked together to produce the new multiplexer made from pure silicon for terahertz-range communications in the 300-GHz band.

Optics & Photonics Apr 20, 2021

Study could lead to production of more efficient optoelectronic devices

Diodes are widely used electronic devices that act as one-way switches for current. A well-known example is the LED (light-emitting diode), but there is a special class of diodes designed to make use of the phenomenon known ...

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