category: Research: LPHP

category: IoT, Security & Automotive

Power/Performance Bits: Aug. 14
By Jesse Allen - 14 Aug, 2018 - Comments: 1

All-optical logic Researchers from Aalto University developed multifunction all-optical logic gates using a network of nanowires. To build the nanostructure, the team assembled two different semiconductor nanowires, indium phosphide and aluminum gallium arsenide. The nanowires have a unique one-dimensional structure, which allows them to function like nanosized antennas for light. Using ... » read more

Power/Performance Bits: Aug. 7
By Jesse Allen - 07 Aug, 2018 - Comments: 0

Optical neural network Researchers at the National Institute of Standards and Technology (NIST) have made a silicon chip that distributes optical signals precisely across a miniature brain-like grid, showcasing a potential new design for neural networks. Using light would eliminate interference due to electrical charge and the signals would travel faster and farther, said the researchers. "... » read more

Power/Performance Bits: July 31
By Jesse Allen - 31 Jul, 2018 - Comments: 0

Training optical neural networks Researchers from Stanford University used an optical chip to train an artificial neural network, a step that could lead to faster, more efficient AI tasks. Although optical neural networks have been recently demonstrated, the training step was performed using a model on a traditional digital computer and the final settings were then imported into the optical... » read more

Power/Performance Bits: July 24
By Jesse Allen - 24 Jul, 2018 - Comments: 0

Single-atom storage Scientists at EPFL are working on a single-atom magnetic data storage device that takes advantage of quantum effects to provide dense storage. The team is using holmium, an element they've been exploring for years. "Single-atom magnets offer an interesting perspective because quantum mechanics may offer shortcuts across their stability barriers that we could exploit in t... » read more

Power/Performance Bits: July 16
By Jesse Allen - 16 Jul, 2018 - Comments: 0

Bacterial solar Researchers at the University of British Columbia developed a solar cell that uses bacteria to convert light to energy. The cell worked as efficiently in dim light as in bright light, making solar a potential option in areas of the world that frequently have overcast skies. Called biogenic cells, they work by utilizing the natural dye that bacteria use for photosynthesis. Pr... » read more

Power/Performance Bits: July 10
By Jesse Allen - 10 Jul, 2018 - Comments: 0

Heating up EV batteries Researchers from Pennsylvania State University developed a self-heating battery that can charge rapidly in cold conditions, a step they hope could spread adoption of electric vehicles. "Electric vehicles are popular on the west coast because the weather is conducive," said Xiao-Guang Yang, assistant research professor in mechanical engineering, Penn State. "Once you ... » read more

Power/Performance Bits: July 3
By Jesse Allen - 03 Jul, 2018 - Comments: 0

Graphene foam devices Scientists at Rice University developed a method for building conductive, three-dimensional objects out of graphene foam, which they say could offer new possibilities for energy storage and flexible electronic sensor applications. The same lab initially created laser-induced graphene, or LIG, in 2014. The process involves heating inexpensive polyimide plastic sheets wi... » read more

Power/Performance Bits: June 26
By Jesse Allen - 26 Jun, 2018 - Comments: 0

Organic pigment for optoelectronics Researchers at Oregon State University are investigating xylindein, an organic pigment produced by fungi, to find low-cost, sustainable alternatives to silicon in electronic or optoelectronic applications where the high-performance capabilities of silicon aren't required. Xylindien is secreted by two wood-eating fungi in the Chlorociboria genus. Any wood ... » read more

Power/Performance Bits: June 19
By Jesse Allen - 19 Jun, 2018 - Comments: 0

Tandem solar reaches 25.2% efficiency In the push for ever-more efficient solar panels, researchers are turning to tandem, or double-junction, photovoltaics. Tandem solar panels use two different types of solar cell capable of absorbing different wavelengths of light stacked on top of each other to maximize the conversion of light rays into electrical power. Recently, two groups have reache... » read more

Power/Performance Bits: June 12
By Jesse Allen - 12 Jun, 2018 - Comments: 0

AI for solar materials In the search for better organic photovoltaic materials, researchers at Osaka University turned to machine learning to help identify candidates. While organic photovoltaics (OPVs) are promising on a cost basis, they do not yet have the required power conversion efficiency (PCE) necessary for commercialization. A key element in this is the semiconducting polymer layer. ... » read more

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