Results 161 to 170 of about 10,946 (217)

Efficient removal of AlN from secondary aluminum dross using binary fluoride: a theoretical and experimental study. [PDF]

Sci Rep
Li T, Guo Z, Qin H, Xie H.
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Unveiling the Structural and Optical Properties of MgAl₂O₄ Single Crystals Irradiated by Swift Heavy Ions. [PDF]

Materials (Basel)
Akilbekov A, Kiryakov A, Dauletbekova A, Aralbayeva G, Akylbekova A, Ospanova Z.   +5 more
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Calcium-Functionalized MgCeAl-Supported Nickel Catalysts for Enhancing Syngas Production via Dry Reforming. [PDF]

Ind Eng Chem Res
Phichairatanaphong O, Yigit N, Wicht T, Kuboon S, Witoon T, Rupprechter G, Chareonpanich M, Donphai W.   +7 more
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Synthesis of MgAl2O4 nanopowders

Inorganic Materials, 2011
A procedure has been developed for the synthesis of MgAl2O4 nanopowders with a characteristic particle size of 10–40 nm. Translucent hydrous xerogels have been synthesized as precursors to MgAl2O4. The synthesized magnesium aluminum spinel nanopowders are promising for the fabrication of optical ceramics.
S. V. Kuznetsov, P. P. Fedorov, V. V. Voronov, V. V. Osiko   +3 more
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Synthesis, microstructure and oxidation of Co-MgAl2O4 and Ni-MgAl2O4 nanocomposite powders

Nanostructured Materials, 1996
MgAl2O4-CoAl2O4 and MgAl2O4-NiAl2O4 solid solutions are synthesized by combustion in urea of the appropriate metal nitrates. The selective reduction in hydrogen of these oxides gives rise to a dispersion of nanometric Co or Ni particles in the spinel matrix. The reduction of the Co2+ and Ni2+ ions is complete at 900 and 1000 °C respectively.
Quénard, Olivier, Laurent, Christophe, Brieu, Marc, Rousset, Abel   +3 more
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Studies on Mn3O4MgAl2O4 system

Journal of Inorganic and Nuclear Chemistry, 1975
Structural, electrical and magnetic properties of solid solutions of tetragonal Mn3O4 (c/a>1) and cubic MgAl2O4 over the whole composition range have been investigated. All the samples were found to be monophasic and exhibited either tetragonal or cubic symmetry at room temperature/ Tetragonal-cubic transition appeared to be of the first order ...
KEER, HV, BODAS, MG, BHADURI, A, BISWAS, AB   +3 more
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Thermoluminescence from Ultraviolet Exposed MgAl2O4

Radiation Protection Dosimetry, 1999
Three-dimensional thermoluminescence (TL) spectra from ultraviolet exposed MgAl 2 O 4 were measured over the temperature range of 300 K-600 K and the wavelength range of 300 nm-800 nm. Emission bands of all spectra at their peak temperature are centred at 520 nm and 710 nm associated with the holes captured at V 2+ and Cr 2+ sites, respectively ...
T.K. Kim, J.J. Woo, H.S. Choe, H.S. Kang, H.K. Jang, C.N. Whang   +5 more
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Defect processes in MgAl2O4 spinel

Solid State Sciences, 2008
Abstract In perfect normal MgAl 2 O 4 spinel the Mg 2+ ions occupy tetrahedral 8a sites and Al 3+ ions occupy octahedral 16d sites. In reality some cations are exchanged between the cation sublattices forming pairs of antisite defects and thus a degree of “inversion”.
Ball, J. A., Murphy, S. T., Grimes, R. W., Bacorisen, D., Smith, R., Uberuaga, B. P., Sickafus, K. E.   +6 more
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