Technical Paper Round-Up: April 5


Neuromorphic chips, transistor defect detection, quantum, pellicles, BEV mobile charging, copper wire bonding, LrWPAN, batteries and superconductivity top the past week's technical papers. They also point to a rising level of government investment, and collaborations between schools that historically haven't worked closely together, including one that involves schools on different continents. ... » read more

Quantum logic with spin qubits crossing the surface code threshold


New research paper from QuTech, Delft University of Technology. Abstract "High-fidelity control of quantum bits is paramount for the reliable execution of quantum algorithms and for achieving fault tolerance—the ability to correct errors faster than they occur. The central requirement for fault tolerance is expressed in terms of an error threshold. Whereas the actual threshold depends o... » read more

Analytical Energy Model Parametrized by Workload, Clock Frequency and Number of Active Cores for Share-Memory High-Performance Computing Applications


New academic paper from University of Mons (Belgium) and Universidade Federal do Rio Grande do Norte (Brazil). Abstract "Energy consumption is crucial in high-performance computing (HPC), especially to enable the next exascale generation. Hence, modern systems implement various hardware and software features for power management. Nonetheless, due to numerous different implementations, we ca... » read more

Quantitative Study Of Quantum Phase Transitions Key To High-Temp Superconductivity (Lawrence Berkeley Nat’l Lab )


New technical paper "Evidence for a delocalization quantum phase transition without symmetry breaking in CeCoIn5"  led by Lawrence Berkeley National Laboratory in collaboration with UC Berkeley. “The hope is that our work may lead to a better understanding of superconductivity, which could find applications in next-gen energy storage, supercomputing, and magnetic levitation trains,” said f... » read more

A novel technique for random number generation using CMOS image sensor


Academic paper from Thamirabharani Engineering College, India. Abstract "Random Number Generators (RNGs) have been used in several traditional fields such as simulation, gaming, cryptography, etc. Random numbers are used in cryptography to generate passwords. The strength of a password depends not just on its length and complexity but mainly on its unpredictability. Strong passwords lower t... » read more

Microstructural impacts on ionic conductivity of oxide solid electrolytes from a combined atomistic-mesoscale approach


Academic paper from Lawrence Livermore National Laboratory (LLNL) scientists in collaboration with San Francisco State University and the The Pennsylvania State University. Abstract "Although multiple oxide-based solid electrolyte materials with intrinsically high ionic conductivities have emerged, practical processing and synthesis routes introduce grain boundaries and other interfaces t... » read more

NIST Modifies & Improves Technique For Detecting Transistor Defects


Abstract "We utilize a frequency-modulated charge pumping methodology to measure quickly and conveniently single “charge per cycle” in highly scaled Si/SiO2 metal–oxide–semiconductor field effect transistors. This is indicative of detection and manipulation of a single interface trap spin species located at the boundary between the SiO2 gate dielectric and Si substrate (almost certainl... » read more

Low-cost and Stable SFX-based Semiconductor Materials in Organic Optoelectronics


Abstract: "In the progress of realizing the commercialization of organic optoelectronic materials, the four basic coherent factors are stability, cost, performance, and processability, all which determine the results of device applications. Spiro[fluorene-9,9′-xanthene] (SFX) has been becoming the robust building-block that fulfilling the practical requirements due to its key features of non... » read more

LoRaWAN End Nodes: Security and Energy Efficiency Analysis


New academic research paper from University of Sarajevo and Technical University of Ostrava. Abstract: "With the development of electronics and communication techniques, the interest in realizing sensor networks with a large number of end nodes is growing. The main idea is to install devices in remote locations without direct supervision, which requires an uninterrupted power supply and sec... » read more

Addressing the range anxiety of battery electric vehicles with charging en route


New academic paper from researchers at University of Florida and University of Kansas. Abstract "Battery electric vehicles (BEVs) have emerged as a promising alternative to traditional internal combustion engine (ICE) vehicles due to benefits in improved fuel economy, lower operating cost, and reduced emission. BEVs use electric motors rather than fossil fuels for propulsion and typically s... » read more

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