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Tag Archives: research

Improving contact conductivity in amorphous oxide transistors

Tokyo Tech IGZO palladium transistor diag

Researchers at the Tokyo Institute of Technology have found a novel way to reduce source and drain contact resistance, and increase carrier mobility, in amorphous oxide transistors. In particular, they are amorphous indium gallium oxide (a-IGZO) thin-film transistors that are being proposed for a form of DRAM, where memory density can be increased by stacking the transistors. The problem is ...

Additive allows perovskite solar cells to be made in the open air

michael_mcgehee CU Boulder

Perovskite solar cells can be made in the open air rather than in an inert atmosphere, according to an international research team. Working with p–i–n perovskite solar cells, they added dimethylammonium formate to the perovskite precursors to inhibit the oxidization of iodide ions and deprotonation of organic cations. The cells achieved nearly 25% efficiency (1.53eV cell), and retained 90% of ...

Simple idea lets ultrasound sense the unsensable

NorthwesternU-ultrasound-sticker

An ultrasound-based sensing technique developed for medicine could have wider application. The question that inspired the technique was: how do we spot leaks from the gut after gastric surgery? Neither ultrasound, CT or MRI scanning could be used to remotely determine local chemistry around the internal wound, according to Northwestern University, which teamed up with the Washington University School of ...

£30m for prototypes at the UK National Quantum Computing Centre

Quantum Motion silicon chip 638

Quantum Motion is to build a quantum processor test bed for the UK’s National Quantum Computing Centre (NQCC) at the Rutherford Appleton Laboratory in Oxfordshire. The prototype system “will be based on the same silicon MOS platform used throughout the consumer electronics industry today, while the test bed forms part of NQCC’s vision to enable the UK to solve some ...

Musk’s brain interface implanted in a human

Neuralink brain implant

“The first human received an implant from Neuralink yesterday and is recovering well,” tweeted Elon Musk yesterday. “Initial results show promising neuron spike detection.” Neuralink is Musk’s electronic brain interface company, developing implants with connections to thousands of in-brain electrodes. Its goal, the company has said, is to enable people with paralysis to “directly use their neural activity to operate ...

Plant-like autonomous robot responds to light, builds itself a stem

IIT Filobot and leaf EmanuelaDelDottore

Researchers in Italy have made a robot that grows like a plant. Named FiloBot, it is the work of the Bioinspired Soft Robotics Laboratory at the Fondazione Istituto Italiano di Tecnologia in Genova. FiloBot it builds its own stem-like body, up to several metres long, curving it permanently in response to light, dark or gravity, and it can also vary ...

Robot digger autonomously builds huge dry stone wall out of random rocks

EHTZ robot excavator builds dry stone wall thumbnail

ETH Zurich researchers have trained an autonomous excavator to construct a dry-​stone wall 65m long and 6m high out of random rocks and building waste. Using sensors including cameras and lidar, it autonomously created a 3D map of the surrounding site as well as finding suitable building blocks and rocks for the wall’s construction. Scanning the stones allowed the robot ...

Better fuel cell ion conductor reveals new science

TiTech fuelcell material density

New ion conductivity science has been revealed during research into a better electrolyte for solid-oxide and proton ceramic fuel cells, according to Tokyo Institute of Technology (TItech). The material is actually a ‘dual-ion conductor’, which allows both protons and oxide ions to defuse, and can “realise high total conductivity at lower temperatures and improve the performance of electro-chemical devices”, according ...

Robotic soft actuators stay strong

SantAnna TrentoU soft actuator tester

A happy accident has revealed a way to stop electrostatic soft actuators from going limp. These actuators consists of a flat plastic bag of dielectric liquid with electrodes on opposite faces of the bag. If a high potential difference is placed between the two electrodes, they are attracted together, squishing the fluid out of the way. This action can be ...