A study on the formation of MgAl2O4 and MgO crystals in Al–Mg/quartz composite by differential thermal analysis

Influence of nano boehmite on solid state reaction of alumina and magnesia

“…Many elements can be accommodated in spinel or spinel-like structures which allows for a wide array of possible spinel formulations, and a correspondingly large flexibility for tailoring these oxides for specific applications. As such, spinels find use in many applications due to their optical, magnetic and (electro) chemical properties, examples of which are cathodes, sensors, phosphors in solid state lasers as well as catalysts, and [1][2][3][4][5][6][7][8][9] refractory [10][11][12][13][14][15]. The most common refractory spinel structure is MgAl 2 O 4 in which 8 of 64 tetrahedral sites are occupied by Mg 2+ and 16 of 32 octahedral sites are occupied by Al 3+ [9].…”

Formation of flower-like MgO crystal and its effect on the photoluminescence of Mg-cBN ceramics

“…Over the past few years, one-dimensional (1D) solid MgO nanomaterials have attracted considerable interest for scientific research [30][31][32][33][34]. Several mechanisms including vapor-liquid-solid, vapor-solid, and oxide-assisted mechanisms [35] have been proposed to explain the growth of 1D solid MgO nanomaterials.…”

“…Several mechanisms including vapor-liquid-solid, vapor-solid, and oxide-assisted mechanisms [35] have been proposed to explain the growth of 1D solid MgO nanomaterials. Studies on optical properties by photoluminescence were conducted regarding the defects or defect levels in MgO crystals [31][32][33][34], which are associated with oxygen vacancies, Mg vacancies and interstitials. These defects could induce new energy levels within the band gap.…”

Removal of Magnesium from Aluminum Scrap by Compound-Separation Method Using Shirasu as an Additive

“…It has been reported in preparing aluminum matrix composites that the reactions among aluminum, magnesium and SiO 2 results in the formation of MgAl 2 O 4 and MgO. [10][11][12] These results suggest that Al-Mg oxide and Mg oxide observed in Figs. 6 and 7 are MgAl 2 O 4 and MgO, respectively.…”