Re: Toroidal armchair buckytube
From: sanman (manofsan_at_yahoo.com)
Date: 06/12/04
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Date: 12 Jun 2004 15:41:25 GMT
Andrew Nowicki <andrew@nospam.com> wrote in message
news:<ca8jhk0b9j@enews3.newsguy.com>...
> Armchair buckytubes are ballistic conductors,
> which means that their electric resistance is
> relatively small (6500 Ohms), independent of
> length, and restricted to contacts. If the
> armchair buckytube is free of defects and
> rolled into a torus, it would behave like a
> room temperature superconductor having the
> maximum current density of about one billion
> amperes per square centimeter!
>
> Is my thinking flawed?
What about a straight buckytube, whose chiral vector was correlated to
the mean free path of the electron, so as to guide electron flow as if
it were a coil? Could this result in the smallest possible magnetic
coil? And what if you had a bulk material composed of many such
nanotubes? Could it have a critical temperature far higher than
conventional magnets?
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