tag: molybdenum disulfide

How To Fine-Tune Large-Area Molybdenum Disulfide Atomic Layer Deposition At 150°C
By Technical Paper Link - 19 Jul, 2023 - Comments: 0

A technical paper titled "Toolbox of Advanced Atomic Layer Deposition Processes for Tailoring Large-Area MoS2 Thin Films at 150 °C" was published by researchers at Eindhoven University of Technology, University of Michigan, and University College Cork. Abstract: "Two-dimensional MoS2 is a promising material for applications, including electronics and electrocatalysis. However, scalable meth... » read more

Research Bits: May 10
By Jesse Allen - 10 May, 2023 - Comments: 0

Growing 2D TMDs on chips Researchers from Massachusetts Institute of Technology (MIT), Oak Ridge National Laboratory, and Ericsson Research found a way to “grow” layers of 2D transition metal dichalcogenide (TMD) materials directly on top of a fully fabricated silicon chip, a technique they say could enable denser integrations. The researchers focused on molybdenum disulfide, which is f... » read more

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

Logic-in-memory with MoS2 Engineers at École Polytechnique Fédérale de Lausanne (EPFL) built a logic-in-memory device using molybdenum disulfide (MoS2) as the channel material. MoS2 is a three-atom-thick 2D material and excellent semiconductor. The new chip is based on floating-gate field-effect transistors (FGFETs) that can hold electric charges for long periods. MoS2 is particularly se... » read more

Power/Performance Bits: March 9
By Jesse Allen - 09 Mar, 2020 - Comments: 0

Healing perovskites Researchers at Brown University found that while perovskite solar cells can crack easily, they are also capable of healing those cracks. "The efficiency of perovskite solar cells has grown very quickly and now rivals silicon in laboratory cells," said Nitin Padture, a professor in Brown's School of Engineering and director of Brown's Institute for Molecular and Nanoscale... » read more

Power/Performance Bits: Dec. 12
By Jesse Allen - 12 Dec, 2017 - Comments: 0

Sunny days slow 5G 5G networks promise a world of fast wireless data speeds and connected everything.  However, researchers at Embry-Riddle Aeronautical University and King Saud University found that hot, sunny weather could degrade 5G cellular transmissions by more than 15%. The researchers focused on how solar radio emissions would affect the unlicensed 60 GHz bands, part of the millimet... » read more

Exploring New Scaling Approaches
By Mark LaPedus - 19 Oct, 2017 - Comments: 0

At the recent SPIE Photomask Technology + Extreme Ultraviolet Lithography 2017 conference, Semiconductor Engineering sat down to discuss semiconductor technology with Tsu-Jae King Liu, the TSMC Distinguished Professor in Microelectronics in the Department of Electrical Engineering and Computer Sciences at the University of California at Berkeley. More specifically, Liu discussed some of the new... » read more

Power/Performance Bits: July 18
By Jesse Allen - 18 Jul, 2017 - Comments: 0

Ad hoc "cache hierarchies" Researchers at MIT and Carnegie Mellon University designed a system that reallocates cache access on the fly, to create new "cache hierarchies" tailored to the needs of particular programs. Dubbed Jenga, the system distinguishes between the physical locations of the separate memory banks that make up the shared cache. For each core, Jenga knows how long it would t... » read more

Power/Performance Bits: July 12
By Jesse Allen - 12 Jul, 2016 - Comments: 0

Thin transistors Scientists with the U.S. Department of Energy's Lawrence Berkeley National Laboratory developed a way to chemically assemble transistors and circuits that are only a few atoms thick. The team controlled the synthesis of a transistor in which narrow channels were etched onto conducting graphene, with molybdenum disulfide (MoS2) seeded in the blank channels. Both of these m... » read more

Power/Performance Bits: Dec. 1
By Jesse Allen - 01 Dec, 2015 - Comments: 0

Hiding wires from the sun There's a problem with most solar cells: the electricity-carrying metal wire grid on top prevents sunlight from reaching the semiconductor below. A team from Stanford University tackled this problem, discovering a way to hide the reflective upper contact and funnel light directly to the semiconductor below. For the study, the researchers placed a 16-nanometer-thi... » read more

Power/Performance Bits: Oct. 21
By Ann Mutschler - 21 Oct, 2014 - Comments: 0

Sound power While medical researchers would like to plant tiny electronic devices deep inside our bodies to monitor biological processes and deliver pinpoint therapies or relieve pain, so far engineers have been unable to make such devices small and useful enough. Providing power to the implants has been one stumbling block, and the use of wires or batteries to deliver power make implants ... » read more

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