tag: MIT

Batteries Have Moving Parts
By Katherine Derbyshire - 16 Dec, 2021 - Comments: 0

The race is on to make lithium-ion batteries safer, to increase the amount of energy that can be drawn out of these devices, and to reduce the time it takes to charge them up again. Transistors and other electronic components depend on the movement of electrons, which are effectively massless and dimensionless relative to the semiconductor, metal, and dopant atoms that surround them. A batte... » read more

Power/Performance Bits: Nov. 30
By Jesse Allen - 30 Nov, 2021 - Comments: 0

Universal decoding algorithm Researchers at MIT, Boston University, and Maynooth University built a silicon chip that is able to decode any error-correcting code, regardless of its structure, with maximum accuracy, using a universal decoding algorithm called Guessing Random Additive Noise Decoding (GRAND). Encoded data traveling over a network is susceptible to noise, which disrupts the sig... » read more

Making BaZrS3 Chalcogenide Perovskite Thin Films by Molecular Beam Epitaxy
By Technical Paper Link - 13 Nov, 2021 - Comments: 0

Abstract: We demonstrate the making of BaZrS3 thin films by molecular beam epitaxy (MBE). BaZrS3 forms in the orthorhombic distorted-perovskite structure with corner-sharing ZrS6 octahedra. The single-step MBE process results in films smooth on the atomic scale, with near-perfect BaZrS3 stoichiometry and an atomically-sharp interface with the LaAlO3 substrate. The films grow epitaxially via tw... » read more

Power/Performance Bits: Aug. 17
By Jesse Allen - 17 Aug, 2021 - Comments: 0

Digital fiber Researchers at MIT, Harrisburg University of Science and Technology, and Rhode Island School of Design developed a digital fiber that can sense, store, analyze, and infer activity after being sewn into a shirt. "This work presents the first realization of a fabric with the ability to store and process data digitally, adding a new information content dimension to textiles and a... » read more

SpZip: Architectural Support for Effective Data Compression In Irregular Applications
By Technical Paper Link - 11 Aug, 2021 - Comments: 0

Technical paper link is here. Published in: 2021 ACM/IEEE 48th Annual International Symposium on Computer Architecture (ISCA) Yifan Yang (MIT); Joel Emer (MIT / NVIDIA); Daniel Sanchez (MIT) Abstract: "Irregular applications, such as graph analytics and sparse linear algebra, exhibit frequent indirect, data-dependent accesses to single or short sequences of elements that cause high ma... » read more

The Great Quantum Computing Race
By Mark LaPedus - 26 Jul, 2021 - Comments: 0

Quantum computing is heating up, as a growing number of entities race to benchmark, stabilize, and ultimately commercialize this technology. As of July 2021, a group from China appears to have taken the lead in terms of raw performance, but Google, IBM, Intel and other quantum computer developers aren’t far behind. All of that could change overnight, though. At this point, it's too early t... » read more

One-On-One: Lip-Bu Tan
By Ed Sperling - 26 May, 2021 - Comments: 0

Lip-Bu Tan, CEO of Cadence, sat down with Semiconductor Engineering to talk about the impact of massive increases in data across a variety of industries, the growing need for computational software, and the potential implications of U.S.-China relations. What follows are excerpts of that discussion. SE: What do you see as the biggest change for the chip industry? Tan: We're in our fifth g... » read more

Power/Performance Bits: April 13
By Jesse Allen - 13 Apr, 2021 - Comments: 0

Speedy data transfer Researchers from MIT, Intel, and Raytheon developed a new data transfer system that both boosts speeds and reduces energy use by taking elements from both traditional copper cables and fiber optics. "There's an explosion in the amount of information being shared between computer chips -- cloud computing, the internet, big data. And a lot of this happens over conventiona... » read more

Chasing After Carbon Nanotube FETs
By Mark LaPedus - 18 Mar, 2021 - Comments: 6

Carbon nanotube transistors are finally making progress for potential use in advanced logic chips after nearly a quarter century in R&D. The question now is whether they will move out of the lab and into the fab. Several government agencies, companies, foundries, and universities over the years have been developing, and are now making advancements with carbon nanotube field-effect transi... » read more

IC Materials For Extreme Conditions
By Katherine Derbyshire - 18 Mar, 2021 - Comments: 1

The number of materials being researched for chips used in extreme environments, such as landing on the planet Venus, is growing. While GaN has captured much of the attention for power conversion circuits, it's just one of several applications for semiconductors in extreme environments. The high voltage, high temperature, and caustic atmospheres found in many industrial and aerospace environ... » read more

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