中文 English

Buried nanomagnet realizing high-speed/low-variability silicon spin qubits: implementable in error-correctable large-scale quantum computers


Abstract: "We propose a buried nanomagnet (BNM) realizing highspeed/low-variability silicon spin qubit operation, inspired by buried wiring technology, for the first time. High-speed quantum-gate operation results from large slanting magnetic-field generated by the BNM disposed quite close to a spin qubit, and low-variation of fidelity thanks to the self-aligned fabrication process. Employing ... » read more

Week In Review: Manufacturing, Test


Chipmakers Intel has re-entered the foundry business after a failed attempt several years ago. In its new efforts, Intel is establishing a new standalone business unit called Intel Foundry Services. As part of those efforts, Intel has announced plans to build two new fabs in Arizona. This build-out represents an investment of approximately $20 billion. “INTC hosted a strategy update with ... » read more

Power/Performance Bits: Dec. 15


Graphite films for cooling electronics Researchers at King Abdullah University of Science and Technology (KAUST) developed a way to make a carbon material well suited to dissipating heat in electronic devices. Graphite films are frequently used for heat management. "However, the method used to make these graphite films, using polymer as a source material, is complex and very energy intensiv... » read more

Manufacturing Bits: Sept. 4


Flat diamond chips Kanazawa University and the National Institute of Advanced Industrial Science and Technology (AIST) have developed a process that solves a big issue for diamond semiconductors in power applications. Researchers have developed a water vapor annealing technique that creates atomically flat diamond surfaces. This brings diamond semiconductors one step closer to becoming more... » read more

Power/Performance Bits: Feb. 6


Recycling cathodes Nanoengineers at the University of California San Diego developed an energy-efficient recycling process that restores used cathodes from spent lithium ion batteries. The process involves harvesting the degraded cathode particles from a used battery and then boiling and heat treating them. In new batteries built with the cathodes, charge storage capacity, charging time and ba... » read more

Manufacturing Bits: Jan. 21


Redefining The Kilogram In 2011, the General Conference on Weights and Measures approved a plan to redefine the kilogram and other measurement units. The new definition for the kilogram will be based on the fixed numerical values of Planck’s constant (h), according to the National Institute of Standards and Technology (NIST), part of the U.S. Department of Commerce. NIST has taken steps t... » read more

Manufacturing Bits: Sept. 24


LEGO AFM Students from the University College London (UCL), Tsinghua University and Peking University have built an atomic force microscope (AFM) or nanoscope using toy LEGOs. The AFM, dubbed LEGO2NANO, costs less than $500 to make. In contrast, traditional AFMs cost $100,000 or more. The system was made using LEGOs, Arduino controllers, 3D printed parts and consumer electronics. [captio... » read more