category: Research: LPHP

category: IoT, Security & Automotive

Power/Performance Bits: Feb. 10
By Jesse Allen - 10 Feb, 2020 - Comments: 0

Balancing battery capacity and stability Researchers at Rice University are working to develop batteries that are better geared toward electric cars and more robust off-grid energy storage by digging into why lithium gets trapped in batteries, thus limiting the number of times it can be charged and discharged at full power. The team found that by not maxing out a battery's storage capacity,... » read more

Power/Performance Bits: Feb. 4
By Jesse Allen - 04 Feb, 2020 - Comments: 0

Infrared nanoantenna Researchers at the University of Würzburg built a nanoantenna capable of generating directed infrared light. The Yagi-Uda antenna is the smallest of its type yet created. "Basically, it works in the same way as its big brothers for radio waves ," said René Kullock, a member of the nano-optics team at Würzburg. An AC voltage is applied that causes electrons in the met... » read more

Power/Performance Bits: Jan. 28
By Jesse Allen - 28 Jan, 2020 - Comments: 0

Accelerator-on-chip Researchers at Stanford University and SLAC National Accelerator Laboratory created an electron-accelerator-on-chip. While the technique is much less powerful than standard particle accelerators, it can be much smaller. It relied upon an infrared laser to deliver, in less than a hair’s width, the sort of energy boost that takes microwaves many feet. The team carved ... » read more

Power/Performance Bits: Jan. 21
By Jesse Allen - 21 Jan, 2020 - Comments: 0

Two-layer MRAM Scientists at Tokyo Institute of Technology propose a simpler MRAM construction that could perform faster with less power than conventional memories. The idea relies on unidirectional spin Hall magnetoresistance (USMR), a spin-related phenomenon that could be used to develop MRAM cells with an extremely simple structure. The spin Hall effect leads to the accumulation of elect... » read more

Power/Performance Bits: Jan. 13
By Jesse Allen - 13 Jan, 2020 - Comments: 0

Ferroelectric memory Researchers at the Moscow Institute of Physics and Technology and North Carolina State University developed a ferroelectric memory cell and a method for measuring the electric potential distribution across a ferroelectric capacitor, an important aspect of creating new nonvolatile ferroelectric devices. The team's new ferroelectric memory cell is made from a 10nm thick z... » read more

Power/Performance Bits: Jan. 7
By Jesse Allen - 07 Jan, 2020 - Comments: 0

Ferroelectric FET Researchers at Purdue University developed a ferroelectric transistor capable of both processing and storing information. The ferroelectric semiconductor field-effect transistor is made of alpha indium selenide, which overcomes the problem of ferroelectric materials not interfacing well with silicon. “We used a semiconductor that has ferroelectric properties. This way tw... » read more

Power/Performance Bits: Dec. 31
By Jesse Allen - 31 Dec, 2019 - Comments: 0

Three-valued memory Scientists at the Tokyo Institute of Technology and the University of Tokyo developed a new three-valued memory device inspired by solid lithium-ion batteries which could potentially serve as low power consumption RAM. The new device consisted of a stack of three solid layers made of lithium, lithium phosphate, and gold. This stack is essentially a miniature low-capacity... » read more

Power/Performance Bits: Dec. 23
By Jesse Allen - 23 Dec, 2019 - Comments: 0

High mobility transistor Engineers at the University of Delaware created a high-electron mobility transistor, a device that amplifies and controls electrical current, using gallium nitride (GaN) with indium aluminum-nitride as the barrier on a silicon substrate. Among devices of its type, the team says their transistor has record-setting properties, including record low gate leakage current... » read more

Power/Performance Bits: Dec. 16
By Jesse Allen - 16 Dec, 2019 - Comments: 0

Carbon nanotubes for RF Researchers at Carbonics, Inc., University of Southern California, and King Abdulaziz City for Science and Technology, funded by the Army Research Office, propose using carbon nanotubes for radio frequency applications. The team's carbon nanotube device beat traditional RF-CMOS technology, achieved speeds exceeding 100GHz. This could boost mmWave, which in turn would... » read more

Power/Performance Bits: Dec. 9
By Jesse Allen - 09 Dec, 2019 - Comments: 0

Solar capture and storage Researchers at the University of Houston developed a device capable of both capturing and storing solar energy. Unlike solar panels and solar cells, which rely on photovoltaic technology for the direct generation of electricity, the hybrid device captures heat from the sun and stores it as thermal energy. The device combines molecular energy storage and latent heat... » read more

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