Articles about transistor


Boffins build the smallest transistor, controlled by an atom

The world’s smallest transistor can be controlled by a single atom, according to a scientists from the Karlsruhe Institute of Technology in Germany. Unlike more traditional transistors it isn’t made from semiconductors. Instead, it’s crafted from metal and the gate - the part that acts as a switch turning a transistor on or …
Katyanna Quach, 16 Aug 2018

Boffins have made optical transistors that can reach 4 TERAHERTZ

Aluminum-doped zinc oxide is the key to building faster, optical chips, according to researchers at Purdue University, Indiana. They've modelled an all-optical, CMOS-compatible transistor capable of 4THz speeds, potentially more than 1,000 times faster than silicon transistors. The all-optical bit means that the data stream …
Simon Rockman, 7 Aug 2015
NRL's STM image of molecular transistor

Much more Moore's Law, as boffins assemble atom-level transistor

The end times for Moore's Law aren't quite at hand, but we now know what the silicon-killer might look like: single-molecule transistors that can switch at the single electron level. That's what a multinational team of boffins working with the US Naval Research Laboratory (NRL) say they've created. The transistor consists of …
Silicene's structure

Silicene takes on graphene as next transistor wonder-stuff

University of Texas boffins have offered up another material they reckon is a hot bet for future generations of Moore's-law-beating super-fast transistors: silicene. Throwing its hat into the ring as an alternate to the popular wonder-stuff graphene, silicene – a single-atom-thick layer of silicon atoms – is, like graphene, …
The Register breaking news

Quantum transistors at room temp

The world might still be 20 years from the end of Moore's Law, but the hunt for technologies to replace semiconductors is going on right now. A group from Michigan Technological University is offering one such alternative: a quantum tunnelling transistor that operates at room temperature. The culmination of work begun in 2007 …
Lilienfeld's transistor

Happy birthday, Transistor

The transistor, the ubiquitous building block of all electronic circuits, will be 65 years old on Sunday. The device is jointly credited to William Shockley (1910-1989), John Bardeen (1908-1991) and Walter Brattain (1902-1987), and it was Bardeen and Brattain who operated the first working point-contact transistor during an …
Tony Smith, 14 Dec 2012
The Register breaking news

Boffins crack superconducting graphene's melting mystery

Scientists in Manchester appear to have solved a problem with graphene that has plagued the super-material's fans since it was sliced into being in 2004. The breakthrough takes the wunder-material one step closer to being the new silicon, and powering a new wave of computers. Graphene lattice, credit AlexanderAlUS, via …
Anna Leach, 3 Feb 2012
DVD it in many colours

IBM demos graphene circuits

Researchers at IBM are showing off a high-speed switching circuit based on graphene. In a paper presented in the journal Science today, Big Blue is taking its carbon-based transistor up another notch and making full integrated circuits. IBM showed off wafer-scale graphene transistors back in February 2010, demonstrating …
Cat 5 cable

Big Blue demos 100GHz chip

Updated IBM reseachers have made a breakthrough in the development of ultra-high-speed transistor design, creating a 100GHz graphene-based wafer-scale device. And that's just for starters. The transistor that the researchers have developed is a relatively large one, with a gate length of 240 nanometers - speeds should increase as the …
Rik Myslewski, 5 Feb 2010

Inventor of first practical transistor dead at 91

Obituary Morgan Sparks, inventor of the first "practical" transistor and one of the reasons your cell phone doesn't use vacuum tubes, died this week at the age of 91. He received clearance to that great national laboratory in the sky this Sunday at his daughter's home in California. Sparks worked for 30 years at Bell Laboratories, …
Austin Modine, 8 May 2008

The transistor turns 60

Forgotten Tech The transistor, the ubiquitous building block of all electronic circuits, will be 60 years old on Sunday. The device is jointly credited to William Shockley (1910-1989), John Bardeen (1908-1991) and Walter Brattain (1902-1987), and it was Bardeen and Brattain who made the first working point-contact transistor on 16 December …
Tony Smith, 14 Dec 2007

New 3D chip transistor may reach 50GHz

Japanese R&D firm Unisantis says it will create and sell a new kind of "3-D" transistor that provides 10 times the computing speed of current chips. It is entering a 24-month collaborative agreement with Singapore's Institute of Microelectronics for simultaneous design work. The companies claim processor clockspeeds could …
Austin Modine, 8 Dec 2007

UK researchers reveal room-temperature graphene transistor

Boffins at Britain's University of Manchester have created a transistor out of an atom-thick sheet of carbon. The high-speed device is so small only one electron can pass through at once. Crucially, the transistor operates at room temperature making it potentially viable for future microprocessors. Details of the breakthrough …
Tony Smith, 1 Mar 2007

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