Plastic crystals: Difference between revisions
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Carl McBride (talk | contribs) m (Added mention of "rotor phase") |
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''' | A '''plastic crystal''' (or the '''rotor phase''') is a state of matter whose ''almost''-spherical molecules are located on | ||
crystalline lattice points, but have a degree of rotational disorder. | crystalline lattice points, but have a degree of rotational disorder. | ||
Plastic crystals exist over a narrow [[temperature]] range; the temperature being | Plastic crystals exist over a narrow [[temperature]] range; the temperature being | ||
sufficiently high so as to overcome any rotational energy barriers, but | sufficiently high so as to overcome any rotational energy barriers, but | ||
sufficiently low so as not to disrupt the lattice structure. | sufficiently low so as not to disrupt the lattice structure. | ||
[[category: complex systems]] | [[category: complex systems]] | ||
Latest revision as of 16:42, 10 June 2014
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A plastic crystal (or the rotor phase) is a state of matter whose almost-spherical molecules are located on crystalline lattice points, but have a degree of rotational disorder. Plastic crystals exist over a narrow temperature range; the temperature being sufficiently high so as to overcome any rotational energy barriers, but sufficiently low so as not to disrupt the lattice structure.