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Topic: Crystal Unit Structure  (Read 2944 times)

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Offline Vicstar

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Crystal Unit Structure
« on: March 18, 2008, 02:46:55 AM »
Does the lattice constant of the unit cell vary with different isotopes? Can you link it to a formula?
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Offline sjb

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Re: Crystal Unit Structure
« Reply #1 on: March 19, 2008, 11:40:47 AM »
Quote from: Vicstar on March 18, 2008, 02:46:55 AM
Does the lattice constant of the unit cell vary with different isotopes? Can you link it to a formula?

I would imagine it does to a very limited degree, as the different isotopes would have very slightly different atomic radii, but given that the majority of "space" of an atom is nothing and the nucleus is very small at the centre it would be very slightly different.


S
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Offline AWK

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Re: Crystal Unit Structure
« Reply #2 on: March 19, 2008, 12:24:41 PM »
In fact, practically this can be only observed for protium deuterium.
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