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Mar 12, 2006

Nano-scale fuel cells may be closer than we think, thanks to an inexpensive new manufacturing method

We live in a world of hand-held devices: iPods, cell phones, PDAs, pagers... the list of essential personal technology keeps expanding, and the natural response is consolidation. It’s rare these days to see a new cell ...

General Physics May 8, 2023

The realization of a continuous time crystal based on a photonic metamaterial

A time crystal, as originally proposed in 2012, is a new state of matter in which the particles are in continuous oscillatory motion. Time crystals break time-translation symmetry. Discrete time crystals do so by oscillating ...

General Physics Apr 25, 2023

The dynamics of 'hotspot forming' high-energy quasiparticles in a superconducting nanowire

Energetic quasiparticles possess a collection of quantum characteristics that operate in a particle-like way in superconducting nanostructures, and they can undergo relaxation by involving many cascaded interactions between ...

General Physics Jul 6, 2022

Study sets new constraints on dark photons using a new dielectric optical haloscope

Researchers at the National Institute of Standards and Technology (NIST), Massachusetts Institute of Technology (MIT) and the Perimeter Institute recently set new constraints on dark photons, which are hypothetical particles ...

Superconductivity Mar 30, 2022

Study shows how superconductivity can be switched on and off in superconductors

Superconductors are materials that can enter a state of no electrical resistance, through which magnetic fields cannot penetrate. Due to their interesting properties, many material scientists and engineers have been exploring ...

Nanophysics Jan 13, 2021

Bound-charge engineering: A new strategy to develop nanowire transistors

In recent years, physicists and electronic engineers have been trying to identify materials that could be used to fabricate new types of electronic devices. One-dimensional (1-D) and two-dimensional (2-D) materials have been ...

Nanomaterials Oct 13, 2020

Hall error revelations raise aspirations for 2-D materials

One of the first things people do when they come across a new material with potentially interesting electronic properties is measure the Hall voltage. Never has this been more true than with the explosion of new 2-D materials, ...

Optics & Photonics May 12, 2020

The observation of photon-assisted tunneling signatures in Majorana wires

Researchers at the University of Copenhagen and Microsoft Quantum Lab Copenhagen have recently carried out a study investigating the potential of Majorana zero modes, zero-energy quasiparticle states that can be found in ...

Quantum Physics Dec 31, 2019

Nearly quantized conductance plateau of vortex mode in an iron-based superconductor

When a semiconducting nanowire is coupled to a superconductor, it can be tuned to topological quantum states thought to host localized quasiparticles known as Majorana Zero Modes (MZM). MZMs are their own antiparticles, with ...

Nanomaterials Jun 20, 2019

Digitally programmable perovskite nanowire-block copolymer composites

One-dimensional nanomaterials with highly anisotropic optoelectronic properties can be used within energy harvesting applications, flexible electronics and biomedical imaging devices. In materials science and nanotechnology, ...

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