MadSci Network: Physics
Query:

Re: VRD-Is ice magnetic at very low temperatures approaching zero kelvin?

Date: Mon May 1 09:19:01 2000
Posted By: Ronald Fisch, Physics, Washington University
Area of science: Physics
ID: 956784468.Ph
Message:

Water ice (solid H2O) is not magnetic.  However, the lowest energy
state (called the ground state) of ice at low pressure is ferroelectric.
In equilibrium, the phase transition from ordinary ice to ferroelectric
ice occurs at about 80 degrees Kelvin (as I recall).  However, because
atomic diffusion is so slow at such low temperatures, it is very difficult
to make this transition occur in the laboratory.



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