Recently, technological and industrial advances uninterruptedly cause the release of
hazardous and toxic gases that are harmful to human life; as a result gas sensing devices …

A gamma-ray irradiation-assisted polyacrylamide gel method has been used to synthesize
MgAl 2 O 4: Ce and Mn-codoped MgAl 2 O 4: Ce phosphors. Ce ion doping improved the …

MgAl 2 O 4 ceramics doped with rare earth ions (Eu 2+ and Ce 3+ ions) were fabricated by
spark plasma sintering technique. A complex characterization of the crystalline and defect …

Magnesium aluminate (MA) spinel has shown potential as a refractory material under harsh
environments, such as high temperatures and frequent temperature variations. However …

ZnAl 2 O 4 nano-powders have been successfully prepared via citrate sol-gel technique. All
powder samples were annealed at 600° C for 1, 2, and 3 h. Thermogravimetric analysis …

Eu3+-activated magnesium aluminate phosphors were successfully synthesized by nitrate–
citrate gel combustion method and thermally treated at 650, 750, 850, and 950oC. The …

Bulk quantity of the MgAl 2 O 4 spinels with specific composition has been synthesized by
thermal plasma method. The process time and compositions of the feed are optimized for a …

MgAl 2 O 4 ceramics doped with rare earth ions (Tb 3+ and Dy 3+ ions) were fabricated by
SPS technique. Optical properties and pulse cathodoluminescence (PCL) spectra were …

Abstract Ce 3+, Eu 3+ and Tb 3+ singly and triply doped ZnAl 2 O 4 nano-powders were
successfully synthesized via the citrate sol-gel method. X-ray diffraction (XRD) analysis …

A series of Mg 1-x Eu x Al 2 O 4 and MgAl 2-x Eu x O 4 (x= 0.01, 0.02, 0.03, 0.04, 0.05)
phosphors were synthesized by using a low-temperature hydrothermal method combined …