Structural phase transitions on non-stoichiometric oxides and other materials

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This is the final report of a 3-year project. Structural phase transitions (SPT) have profound effects on mechanical, magnetic, and electronic properties. In some stoichiometric compounds, SPTs are well understood and produce magnetism in ferrites and ferroelectricity in piezoelectric oxides. However, for nonstoichiometric compounds, and for stoichiometric compounds where thermally induced fluctuations produce effects analogous to those from impurities and dopants, the situation is far from clear. We are providing precise elasticity and thermal expansion data, for theories of SPTs in heavily doped or fluctuating crystals. This project has application to thermoelectric converters, ceramics, semiconductors, materials testing, and physics of ... continued below

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6 p.

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Migilori, A.; Fisk, Z.; Lei, Ming; Mandrus, D.; Sarrao, J.; Thompson, J. et al. April 1, 1996.

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Description

This is the final report of a 3-year project. Structural phase transitions (SPT) have profound effects on mechanical, magnetic, and electronic properties. In some stoichiometric compounds, SPTs are well understood and produce magnetism in ferrites and ferroelectricity in piezoelectric oxides. However, for nonstoichiometric compounds, and for stoichiometric compounds where thermally induced fluctuations produce effects analogous to those from impurities and dopants, the situation is far from clear. We are providing precise elasticity and thermal expansion data, for theories of SPTs in heavily doped or fluctuating crystals. This project has application to thermoelectric converters, ceramics, semiconductors, materials testing, and physics of condensed matter.

Physical Description

6 p.

Notes

OSTI as DE96008192

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  • Other Information: PBD: [1996]

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  • Other: DE96008192
  • Report No.: LA-UR--96-1028
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/212687 | External Link
  • Office of Scientific & Technical Information Report Number: 212687
  • Archival Resource Key: ark:/67531/metadc669749

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Office of Scientific & Technical Information Technical Reports

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  • April 1, 1996

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • March 2, 2016, 12:48 p.m.

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Migilori, A.; Fisk, Z.; Lei, Ming; Mandrus, D.; Sarrao, J.; Thompson, J. et al. Structural phase transitions on non-stoichiometric oxides and other materials, report, April 1, 1996; New Mexico. (digital.library.unt.edu/ark:/67531/metadc669749/: accessed November 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.