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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Waterproof micro USB and USB Type-C connectors

CUI has announced waterproof USB connectors rated at IP67. Offering protection from moisture and environmental contaminants, USB Micro B and Type C receptacles are available, conforming to either the USB 2.0 or USB 3.1 Gen 2, depending on model. Surface mount and mid-mount SMT types are available in vertical or horizontal orientations, with several models including ...

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One-board dev kit has three snap-off 8pin STM8 Microcontrollers

ST Microelectronics has introduced a development kit that allows potential users to evaluate all three or its 8pin STM8 microcontroller variants, and the no-frills board is nominally priced at $8.50. The board, called STM8-SO8-DISCO, includes STM8S001J3M3 (1kbyte ram, 128byte data eeprom) 16bit timers with three comparator outputs, three capture-compare channels, a 10bit ADC, and an 8bit ...

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Four-line common-mode choke mounts on PCB

For filtering three-phase and neutral on circuit boards, Schurter is offering the DKIH-4 series of four-line common mode chokes using nano-crystalline ring cores, with ratings from 10A to 40A. “The power section is increasingly being mounted on the printed circuit board with discrete components,” according to the firm. “However, due to the high integration density ...

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Shock and vibration tolerant DC-DC converters for industrial and railway

Murata’s IR series of dc-dc converters are designed specifically for use   in industrial and railway applications. Models include: IRQ100 series 100W single regulated output industry-standard quarter brick IRH150 series 150W single output IRS50 series 50W sixteenth brick IRQ and IRH products deliver regulated outputs of 5, 12, or 24Vdc, from a 3:1 input range ...

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One chip adds security to IoT end nodes

Maxim is claiming simple route to protecting sensitive data in IoT end-nodes with a pair of security supervisor chips. Called MAX36010 and MAX36011, “these make it easier for designers to implement robust tamper detection, cryptography and secure storage while safeguarding sensitive information via logical and physical protections, without having to be security experts themselves – that ...

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Osram’s second-generation headlight lasers

Osram has released the second generation of blue multi-mode laser diodes for car headlights, doubling range in auxiliary high beams compared to with its previous lasers, to 600m, it claims. What lasers offer over LEDs as a light source is higher light output per unit area (luminance) – which then allows a slimmer smaller optical ...

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Rad-tolerant digital isolators protect against 2,500V spikes

Renesas has introduced two plastic packaged, radiation-tolerant digital isolators that provide the highest isolation protection (2,500VRMS) from high voltage spikes in power supply stages and serial communications interfaces used in low Earth orbit (LEO) Small Satellites (SmallSats). Private “New Space” companies plan to launch thousands of SmallSats forming large constellations that operate in multiple LEO ...

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EE is best operator, says RootMetrics

The latest tests conducted by RootMetrics by IHS Markit,  which tests mobile network performance, confirm EE as the UK’s leading mobile operator at the UK-wide level, with the BT-owned company winning all six mobile performance categories tested. EE has now performed best in 11 consecutive rounds of testing, dating back to when RootMetrics first began ...

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