Smallest Transistor - 7 atoms across
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From: Martin Brown on 25 May 2010 05:54 Not seen mention of this here yet but the first electronic switch transistor built by moving atoms around is now just 7 atoms across. Makes you wonder how they do the phosphorus doping! <http://www.telegraph.co.uk/technology/news/7759347/Scientists-create-worlds-smallest-electronic-switch.html> You have to love the journalists mention of the single silicone (sic) crystal used as the foundation. A slightly less garbled version is online at UNSW website. <http://www.science.unsw.edu.au/news/quantum-leap-world-s-smallest-transistor-built-with-just-7-atoms/> Regards, Martin Brown
From: Didi on 25 May 2010 08:36 On May 25, 12:54 pm, Martin Brown <|||newspam...(a)nezumi.demon.co.uk> wrote: > Not seen mention of this here yet but the first electronic switch > transistor built by moving atoms around is now just 7 atoms across. > Makes you wonder how they do the phosphorus doping! I read the story on the BBC website, somewhere it was saying they were doing it under a scanning microscope manually (!!!). How can this be done I have no idea but then if it were that easy everyone would be doing it, I guess :-) . Dimiter
From: Joerg on 25 May 2010 12:07 Martin Brown wrote: > Not seen mention of this here yet but the first electronic switch > transistor built by moving atoms around is now just 7 atoms across. > Makes you wonder how they do the phosphorus doping! > > <http://www.telegraph.co.uk/technology/news/7759347/Scientists-create-worlds-smallest-electronic-switch.html> > That's probably super radiation sensitive. One wee cosmic ray ... PHUT .... "Please contact your IT department" ... then the IT guy comes with a bucket of atoms and molecules, all nicely sorted into little plastic bins, and inserts the one that had vaporized :-) > > You have to love the journalists mention of the single silicone (sic) > crystal used as the foundation. > A boob job on a transistor? This I've got to see :-) > A slightly less garbled version is online at UNSW website. > > <http://www.science.unsw.edu.au/news/quantum-leap-world-s-smallest-transistor-built-with-just-7-atoms/> > Got a security warning and shutdown on that one for some reason. -- Regards, Joerg http://www.analogconsultants.com/ "gmail" domain blocked because of excessive spam. Use another domain or send PM.
From: Martin Brown on 25 May 2010 16:15 On 25/05/2010 17:07, Joerg wrote: > Martin Brown wrote: >> Not seen mention of this here yet but the first electronic switch >> transistor built by moving atoms around is now just 7 atoms across. >> Makes you wonder how they do the phosphorus doping! >> >> <http://www.telegraph.co.uk/technology/news/7759347/Scientists-create-worlds-smallest-electronic-switch.html> >> > > That's probably super radiation sensitive. One wee cosmic ray ... PHUT > ... "Please contact your IT department" ... then the IT guy comes with a > bucket of atoms and molecules, all nicely sorted into little plastic > bins, and inserts the one that had vaporized :-) Quantum computing will be hairy for the foreseeable future, but this is really a big step forward in miniaturisation even if there is no realistic prospect of it ever being production line stuff. > >> >> You have to love the journalists mention of the single silicone (sic) >> crystal used as the foundation. > > A boob job on a transistor? This I've got to see :-) I blame the spell checkers. The words are more or less identical to the university press release apart from "silicone". > > >> A slightly less garbled version is online at UNSW website. >> >> <http://www.science.unsw.edu.au/news/quantum-leap-world-s-smallest-transistor-built-with-just-7-atoms/> > > Got a security warning and shutdown on that one for some reason. Weird. It is a genuine site and there is a nice STEM micrograph of the thing with the atoms all visible including on the bondout wires. Looks a bit like a space invader ;-) Regards, Martin Brown
From: Robert Baer on 27 May 2010 04:02
Joerg wrote: > Martin Brown wrote: >> Not seen mention of this here yet but the first electronic switch >> transistor built by moving atoms around is now just 7 atoms across. >> Makes you wonder how they do the phosphorus doping! >> >> <http://www.telegraph.co.uk/technology/news/7759347/Scientists-create-worlds-smallest-electronic-switch.html> >> > > That's probably super radiation sensitive. One wee cosmic ray ... PHUT > ... "Please contact your IT department" ... then the IT guy comes with a > bucket of atoms and molecules, all nicely sorted into little plastic > bins, and inserts the one that had vaporized :-) > >> >> You have to love the journalists mention of the single silicone (sic) >> crystal used as the foundation. >> > > A boob job on a transistor? This I've got to see :-) > > >> A slightly less garbled version is online at UNSW website. >> >> <http://www.science.unsw.edu.au/news/quantum-leap-world-s-smallest-transistor-built-with-just-7-atoms/> >> > > Got a security warning and shutdown on that one for some reason. > Traditionally, bit buckets were for electrons.. |