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  • Author(s):
    Sachwa Chong, Sergei M. Aksenov, Frabrice Dal Bo, Samuel N. Perry, Foteini Dimakopoulou, Peter C. Burns
    Abstract:

    Uranyl vanadate compounds with divalent cations, M(UO2)(V2O7) (M = Ca, Sr) and Sr3(UO2)(V2O7)2, were synthesized by flux crystal growth, and their crystal structures were solved using single-crystal X-ray diffraction data. Ca(UO2)V2O7 and Sr(UO2)V2O7 were synthesized from reactants with molar ratios M:U:V of 1:1:2 and identical heating conditions, and increasing the M:U:V ratio to 3:1:4 resulted in Sr3(UO2)(V2O7)2. Crystallographic data for M(UO2)V2O7 compounds are: a = 7.1774(18) Å, b = 6.77…

    Date Published:
    2019-07
    Record Visibility:
    Public
  • Author(s):
    Karen Torosyan, Alexey Sedegov, Kirill Kuskov, Mohammad Abedi, Dmitry Arkhipov, Philipp Kiryukhamtsev-Korneer, Stepan Vorotilo, Dmitry Moskovskikh
    Abstract:

    The influence of different SPS-based methods, that is, conventional spark plasma sintering (SPS), flash SPS (FSPS), and reactive SPS (RSPS) on the properties of Al2O3/SiC composite was investigated. It was shown that the application of preliminary high energy ball milling of the powders significantly enhances the sinterability of the ceramics. It was also demonstrated that FSPS provides unique conditions for rapid, that is, less than a minute, consolidation of refractory ceramics. The Al2O3-2…

    Date Published:
    2019-07
    Record Visibility:
    Public
  • Author(s):
    Wenzheng Kuang, Chaochao Dun, Yanliang Zhang
    Abstract:

    Flexible thermoelectric (TE) devices hold great promise for energy harvesting and cooling applications, with increasing signi cance to serve as perpetual power sources for exible electronics and wearable devices. Despite unique and superior TE properties widely reported in nanocrystals, transforming these nanocrystals into exible and functional forms remains a major challenge. Herein, demonstrated is a transformative 3D conformal aerosol jet printing and rapid photonic sintering process to pr…

    Date Published:
    2019-01
    Record Visibility:
    Public