Re: Gold beads

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#8473

From: Tom van Rijswijk
Date: Mon, 03 Jan 2000 00:00

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The atomic radius of a gold atom is 0.144 nanometer (1.44 Angstrom), so
what he needs are single gold atoms. I don't think those qualify as
"beads"

regards

Tom

Uncle Al wrote:

> Boaz Ran wrote:
>
> > I need gold beads (or other metals) with radius of tenths of nano
> > meters.
>
> *Tenths* of nanometers?  How big is a gold atom?  There aren't any
> metal "beads" at that scale.  The best you can do is colloidal
> nanocrystals whose surfaces are decorated with amine, phosphine, or
> thiol anti-aggregants.
>
> It's in the literature.
>
> --
> Uncle Al
> http://www.mazepath.com/uncleal/
> http://www.ultra.net.au/~wisby/uncleal/
> http://www.guyy.demon.co.uk/uncleal/
>  (Toxic URLs! Unsafe for children and most mammals)
> "Quis custodiet ipsos custodes?"  The Net!

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From: Tom van Rijswijk <qqavr@oce.nl>
Subject: Re: Gold beads
Date: 2000/01/03
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