tag: Oak Ridge National Laboratory

Research Bits: Sept. 24
By Jesse Allen - 24 Sep, 2024 - Comments: 0

Modeling negative capacitance Researchers from Lawrence Berkeley National Laboratory developed an open-source 3D simulation framework capable of modeling the atomistic origins of negative capacitance in ferroelectric thin films at the device level. When a material has negative capacitance, it can store a greater amount of electrical charge at lower voltages. The team believes the FerroX fra... » read more

Chip Industry Week In Review
By The SE Staff - 06 Sep, 2024 - Comments: 0

Concerns mount on the use of American-manufactured semiconductors in Russian weapons, with Analog Devices, AMD, Intel and TI set to testify next week before the U.S. Senate Permanent Subcommittee on Investigations. Also, U.S. and other government agencies issued a joint advisory and more details about ongoing Russian military cyberattacks, espionage, and sabotage. The U.S. Commerce Departmen... » read more

Research Bits: Aug. 27
By Jesse Allen - 27 Aug, 2024 - Comments: 0

Ammonia-free GaN Researchers from Nagoya University discovered a way to grow gallium nitride (GaN) semiconductors without using ammonia. The process is both more environmentally friendly and allows for high-quality growth of crystals at a lower cost. Metal organic chemical vapor deposition (MOCVD) is the most common technique for GaN production, which uses ammonia (NH3) gas as the source of... » read more

Research Bits: Aug. 5
By Jesse Allen - 05 Aug, 2024 - Comments: 0

Measuring temperature with neutrons Researchers from Osaka University, National Institutes for Quantum Science and Technology, Hokkaido University, Japan Atomic Energy Agency, and Tokamak Energy developed a way to rapidly measure the temperature of electronic components inside a device using neutrons. The technique, called ‘neutron resonance absorption’ (NRA), examines neutrons being ab... » read more

Chip Industry Technical Paper Roundup: May 21
By Linda Christensen - 21 May, 2024 - Comments: 0

New technical papers added to Semiconductor Engineering’s library this week. [table id=227 /] More ReadingTechnical Paper Library home » read more

Tweaking Isotopes In Thin Semiconductor Materials Can Influence Optical And Electronic Properties 
By Technical Paper Link - 14 May, 2024 - Comments: 0

A technical paper titled “Anomalous isotope effect on the optical bandgap in a monolayer transition metal dichalcogenide semiconductor” was published by researchers at Oak Ridge National Laboratory (ORNL) and University of Central Florida. Abstract: "Isotope effects have received increasing attention in materials science and engineering because altering isotopes directly affects phonons, ... » read more

Chip Industry Technical Paper Roundup: March 26
By Linda Christensen - 26 Mar, 2024 - Comments: 0

New technical papers recently added to Semiconductor Engineering’s library. [table id=209 /] Find last week's technical paper additions here. » read more

Training Large LLM Models With Billions To Trillion Parameters On ORNL’s Frontier Supercomputer
By Technical Paper Link - 16 Jan, 2024 - Comments: 0

A technical paper titled “Optimizing Distributed Training on Frontier for Large Language Models” was published by researchers at Oak Ridge National Laboratory (ORNL) and Universite Paris-Saclay. Abstract: "Large language models (LLMs) have demonstrated remarkable success as foundational models, benefiting various downstream applications through fine-tuning. Recent studies on loss scaling ... » read more

Technical Paper Roundup: November 21
By Liz Allan - 21 Nov, 2023 - Comments: 0

New technical papers recently added to Semiconductor Engineering’s library: [table id=167 /] More Reading Technical Paper Library home » read more

High-Speed Sparse Scanning Kelvin Probe Force Microscopy
By Technical Paper Link - 14 Nov, 2023 - Comments: 0

A technical paper titled “High-speed mapping of surface charge dynamics using sparse scanning Kelvin probe force microscopy” was published by researchers at Oak Ridge National Laboratory, (ORNL), Sungkyunkwan University, Case Western Reserve University, Flinders University, Bedford Park, and UNSW Sydney. Abstract: "Unraveling local dynamic charge processes is vital for progress in diverse... » read more

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