Single atom Transistor
Ever since the era of vacuum tubes came to end due to the invention of transistors, there’s been whooping growth in the computer technology.
As ya’ll know Transistors are the semiconductor devices that are incorporated in the processors that are mainly for the purpose of gate switching, in order to process lotta computations.
For the games you play, music to listen, movies you watch or anything you do there’re millions of transistors working on to get ya the best result. Preciously they’re the workers and you’re the big boss.
For the initial processor like for e.g. the famous Intel 8086 the number of transistor was around 29,000. Seven years before that the first Intel 4004 had around 2,000 transistors.
So in 7 years it was increased 15 times!!! And all the 2000’s kids are well aware of Pentium 4, playing all kickass games like Halo, Max Payne, half life, Diablo 2 etc. This processor the count is around 42 million. More than a 1000 times in 20 years.
NOW, the all new Core i7 (sandy-bridge) has around 2 billion transistor!!
Now that’s a big difference. Don’t you think the number of transistor can’t just play not bothering to anything? Well yeah…there’s a LIMIT to everything.
Moore’s law defines this limit. According to this “the number of transistors that can be incorporated on an integrated circuit doubles every 18 months to two years”.
With this the threshold limit to reach with existing technology to shrink transistors will be reached by 2020.
So that’s it? 2020 and the highest peak is achieved and we can just play with only those many games possible? Nah science is not that bad at all!
Recently there’s been a successful implementation of what is called as “Single atom Transistor”!
Say what?
In the experiment a phosphorus atom (P) was etched with tiny silicon. The voltage then applied to the terminals makes it behave as transistor in it’s quantum state.
The fig a shows the etched silicon at the sides of P atom. Fig b shows the transistor behavior exhibited.
Courtesy—nature nanotechnology
This fig shows the readings taken between the terminals D,S,G1,G2 to display the transistor properties.
This preciously states that a new dimension to a quantum computing is discovered. And the future seems good.
So yay, alright we did it again! No more limitations…. but woa this new finding got limit as well
Damn it!….The atom has to be maintained in a temperature of -391 deg. This is because to make the atoms stay in it’s channel and not migrate! Also here the SEPARATION of atoms is of crucial importance. This is in order to make thin atomic WIRES.
With this the future seems bright. But how successful will this be implemented on a large scale is still the question. It loves us, loves us not?
What do ya’ll think? Think about!
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