Incommensurate structures

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A review is given of recent neutron scattering studies of displacive incommensurate structures, and the instabilities that occur within periodic crystalline structures that lead to their formation. The concept of a soft phonon, in some cases associated with an electronic screening anomaly, is useful but not always capable of a completely satisfactory description. An unusual one-dimensional liquid-like phase has been studied in the non-stoichiometric mercury compound, Hg/sub 3-delta/AsF/sub 6/.

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Pages: 24

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Axe, J.D. October 1, 1979.

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Description

A review is given of recent neutron scattering studies of displacive incommensurate structures, and the instabilities that occur within periodic crystalline structures that lead to their formation. The concept of a soft phonon, in some cases associated with an electronic screening anomaly, is useful but not always capable of a completely satisfactory description. An unusual one-dimensional liquid-like phase has been studied in the non-stoichiometric mercury compound, Hg/sub 3-delta/AsF/sub 6/.

Physical Description

Pages: 24

Notes

Dep. NTIS, PC A02/MF A01.

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  • Royal Society conference on neutron scattering in biology, chemistry, and physics, London, UK, 26 Sep 1979

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  • Report No.: BNL-26801
  • Report No.: CONF-790986-1
  • Grant Number: EY-76-C-02-0016
  • Office of Scientific & Technical Information Report Number: 5724747
  • Archival Resource Key: ark:/67531/metadc1093257

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • October 1, 1979

Added to The UNT Digital Library

  • Feb. 10, 2018, 10:06 p.m.

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  • April 23, 2018, 5:47 p.m.

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Axe, J.D. Incommensurate structures, article, October 1, 1979; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc1093257/: accessed June 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.