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In this study, the flexural strength of aluminum nitride (AlN) ceramics at cryogenic temperatures was reported for the first time. The flexural strength increased from 364.6±29.2MPa to 415.3±21.7MPa with temperature decreasing from 293 to 77K. The strengthening mechanism was explored based on the Griffith equation for a brittle solid and was rationalized by the analysis of lattice constants of AlN...
Nanocrystalline BiCu 2 VO 6 was successfully synthesized by a facile polymeric citrate complex method. The samples were characterized by X-ray diffraction (XRD) analyses, scanning electron microscopy (SEM), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM), UV–vis diffuse reflectance spectra (DRS), thermogravimetric analyses (TG) and differential...
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