Author Archives: steve bush

Are NC-FETs going to make it?

Researchers at Purdue University have surveyed research towards negative capacitance field-effect transistors (NC-FETs), and published their findings. This type of transistor has a ferroelectric layer (Hf02, for example) within the gate stack, which could allow is break the 60mV/decade sub-threshold slope limit for mosfets at room temperature. “Given the potential, there is a need for ...

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Bacteria extract rare earths from mining waste

Mining waste could provide a reliable supply of rare earth elements, including neodymium and dysprosium, from a type of mining waste called phosphogypsum – a product of making phosphoric acid from phosphate rock for fertilisers – according to the Idaho National Laboratory (INL). More than a billion tons if such waste is sitting idle in the ...

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APEC: SiC power and improved cloud-based power tools

On Semiconductor will be showing enhancements to its cloud-based power development tool, branded Strata, which it announced at CES earlier this year. Search capabilities have been improved, and there is a carousel-style menu that allows compatible devices and boards to be selected, said the firm: “Engineers are able to narrow down viable component and systems ...

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1in square dc-dc delivers 12W for rolling stock, and forklifts

Recom is aiming at rail rolling stock with a 25 x 25mm (actually 1 x 1inch) dc-dc converter that can deliver 12W. Called RP12-AR, the modules operate at up to 90% efficiency and up to +88°C ambient at full load – so no derating, and neither forced cooling nor additional heatsinks are required when operating ...

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First UK PCB maker to get aerospace and automotive accreditation

GSPK Circuits’ PCB manufacturing facility in Boroughbridge Yorkshire has been certified to the EN9100:2018 quality management. “This certification to the international aircraft, space and defence quality standard signifies GSPK Circuits ongoing commitment to meeting and exceeding industry requirements for aerospace related products for both civil and military markets,” said the firm. EN9100:2018, managed by the International ...

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IoT networking lab for London hires space and expertise

The Government-sponsored Digital Catapult has set-up a laboratory dedicated to low-power wireless area networks at its London headquarters. Called the Future Networks Lab, it has been created with sponsorship and equipment from BT, IBM, PTC, Semtech, ServiceNow, Siemens and Texas Instruments. Technologies covered include LoRaWAN, SigFox, NB-IoT and LTE-M – and it also has a 5G ...

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Single-crystal 2d material self-assembles on liquid gold

Korean scientists have found a way to make large near-perfect areas 2d single crystal hexagonal boron nitride (hBN), by using liquid gold as a substrate. This, in turn, could form a substrate for growing other 2d materials – possibly graphene or tungsten disulphide. Synthesising perfect crystalline structures is very challenging, with most methods yielding polycrystals ...

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