Re: Graphite magnets get ready for applications
From: Uncle Al (UncleAl0_at_hate.spam.net)
Date: 07/26/04
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Date: Mon, 26 Jul 2004 15:07:49 -0500
Sam Wormley wrote:
>
> Ref: http://physicsweb.org/article/news/8/7/14
>
> Graphite magnets get ready for applications
>
> Physicists in Uruguay and Brazil have succeeded in
> synthesising large quantities of magnetic graphite for the
> first time. The material made by Álvaro Mombrú and
> colleagues at the Universidad de la República in Montevideo
> and the Universidad Federal de São Carlos has the advantage
> of remaining magnetic at room temperature (H Pardo et al.
> 2004 http://arxiv.org/abs/cond-mat/0407303 ). Magnetic
> carbon could be used to make inexpensive, metal-free
> magnets for applications in medicine and biology,
> nanotechnology and telecommunications.
>
> See: http://physicsweb.org/article/news/8/7/14
Said magnetic carbon is "800 times weaker" than a ferromagnet.
Tell Uncle Al in what applications it would displace current
magnetic materials of any sort. It wouldn't be much of a
refrigerator magnet. It's a basic research project not an
applied one.
One wonders what would happen if the high temp reaction were
conducted within a non-divergent strong magnetic field.
-- Uncle Al http://www.mazepath.com/uncleal/ (Toxic URL! Unsafe for children and most mammals) http://www.mazepath.com/uncleal/qz.pdf
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