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Re: Researchers find electron chirality in graphene impacts current flow

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Sam Wormley <swormley1@gmail.com> wrote:
> Researchers find electron chirality in graphene impacts current flow
>> http://phys.org/news/2015-10-electron-chirality-graphene-impacts-current.html
> 
> 
>> (Phys.org)?A team of researches affiliated with several institutions
>> in the U.K. and Russia has found that chirality in graphene impacts
>> current flow. In their paper published in the journal Nature Physics,
>> the team describes how they developed a method for both detecting and
>> measuring the impact of chirality in graphene and why they believe it
>> could lead to better tunneling electronics devices.
>>
>> Electrons and other particles have a property that is called
>> chirality, where they exist as being either left or right-handed. In
>> addition, when they exist in an electronic state, it can also be
>> defined as chiral. In this new experiment, the researchers found that
>> the chirality of electrons can have an impact on current flow?they
>> made this discovery by creating a small testing material made of a
>> sheet of four atom thick boron nitride placed between two sheets of
>> graphene. This setup allowed for creating a very controllable type of
>> current flow?when voltage was applied to one of the sheets of
>> graphene, it tunneled its way through the boron nitride to the other
>> graphene sheet where it could be removed. That allowed for noting the
>> right or left-handedness of the electrons as they tunneled through
>> the borone nitride sheet and the states they ended up in. The
>> researchers note that right-handed electrons tended to prefer to make
>> it to right-hand states and vice-versa for the left-handed
>> electrons.
 
Yet another cut and paste that generated no interest. 

-- 
Jim Pennino

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Re: Researchers find electron chirality in graphene impacts current flow jimp@specsol.spam.sux.com - 2015-11-10 22:12 +0000

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