Browsing by Author "Romao, Carl"

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  • The heat capacities of thermomiotic ScF3 and ScF3–YF3 solid solutions 

    Romao, Carl; Morelock, Cody; Johnson, Michel; Zwanziger, Josef; Wilkinson, Angus; White, Mary Anne (Springer, 2015-05-01)
    Scandium trifluoride (ScF3) exists in a cubic ReO3 structure that exhibits negative thermal expansion from 10 to 1100 K, while substituted Sc1−x Y x F3 materials display the same behavior at room temperature but transition ...

  • Thermal, vibrational, and thermoelastic properties of Y2Mo3O12 and their relations to negative thermal expansion 

    Romao, Carl; Miller, Kimberley; Johnson, Michel; Zwanziger, Josef; Marinkovic, Bojan; White, Mary Anne (American Physical Society, 2014-07-21)
    Y2 Mo3O12, a material that exhibits negative thermal expansion (NTE) from 10 to 1173 K, offers an excellent opportunity to examine relationships between NTE and other physical properties over a wide temperature range. We ...

  • Zero Thermal Expansion in ZrMgMo3O12: NMR Crystallography Reveals Origins of Thermoelastic Properties 

    Romao, Carl; Perras, Fred; Werner-Zwanziger, Ulrike; Lussier, Joey; Miller, Kimberley; Calahoo, Courtney; Zwanziger, Josef; Bieringer, Mario; Marinkovic, Bojan; Bryce, David; White, Mary Anne (American Chemical Society, 2015-03-23)
    The coefficient of thermal expansion of ZrMgMo3O12 has been measured and was found to be extremely close to zero over a wide temperature range including room temperature ( = (1.6 ± 0.2) × 10–7 K–1 from 25 to 450 °C by X-ray ...