Many of today's technologies, such as, solid-state lighting, transistors in computer chips, and batteries in cell phones rely simply on the charge of the electron and how it moves through the material. In certain materials, such as the monolayer transition metal dichalcogenides (TMDs), electrons can be selectively placed into a chosen electronic valley using optical excitation.
Brown University researchers have improved the resolution of terahertz emission spectroscopy -- a technique used to study a wide variety of materials -- by 1,000-fold, making the technique useful at the nanoscale.
Two UA materials science and engineering researchers have experimentally verified the electrochemical processes that control charge transfer rate from an organic polymer to a biomarker molecule. Their findings, reported in Nature Communications, may enhance selectivity for biomarkers in bioelectronic devices.
Professor Martijn Kemerink of Linköping University has worked with colleagues in Spain and the Netherlands to develop the first material with conductivity properties that can be switched on and off using ferroelectric polarisation.
A new method that precisely measures the mysterious behavior and magnetic properties of electrons flowing across the surface of quantum materials could open a path to next-generation electronics. A team of scientists has developed an innovative microscopy technique to detect the spin of electrons in topological insulators, a new kind of quantum material that could be used in applications such as spintronics and quantum computing.
In a first for metal-organic frameworks, USC scientists have demonstrated their metallic conductivity.
Using a new twist on a technique for imaging atomic structures, researchers at Princeton have detected a unique quantum property of the Majorana fermion, an elusive particle with the potential for use in quantum information systems.
The same electrostatic charge that can make hair stand on end and attach balloons to clothing could be an efficient way to drive atomically thin electronic memory devices of the future, according to a new Berkeley Lab study. Scientists have found a way to reversibly change the atomic structure of a 2-D material by injecting it with electrons. The process uses far less energy than current methods for changing the configuration of a material's structure.
UC Riverside physicists have developed a photodetector -- a device that converts light into electrons -- by combining two distinct inorganic materials and producing quantum mechanical processes that could revolutionize the way solar energy is collected. The researchers stacked two atomic layers of tungsten diselenide on a single atomic layer of molybdenum diselenide. Such stacking results in properties vastly different from those of the parent layers, allowing for customized electronic engineering at the tiniest possible scale.
'There is plenty of room at the bottom'. This is often quoted to highlight the value of available space that comes with miniaturization. Due to the amazing successes of modern fabrication techniques, one is surprised to hear that vast space below the surface, inside silicon, is not used. What more could be achieved, if the rest of the chip was opened to usage? Scientists now demonstrate such devices, published in latest issue of Nature Photonics.