Results 241 to 250 of about 132,293 (299)

Milling-Induced Defects in Ni/Zirconia Catalysts for Enhancing Catalytic Activity in Dry Methane Reforming. [PDF]

J Phys Chem C Nanomater Interfaces
Olszowka JE, Sydorchuk V, Simkovicova K, Sajad M, Clet G, Horacek M, King G, Pasztor J, Vajda S.   +8 more
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Correction to "Additive Zirconia in Dentistry: Techniques, Trends, and Future Perspectives". [PDF]

Biomed Res Int
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Manganese‐Doped Zirconia Nanocrystals

European Journal of Inorganic Chemistry, 2008
AbstractIn recent theoretical work, it was predicted that transition‐metal‐doped zirconia (ZrO2) can be ferromagnetic at room temperature with a dependence on the metal dopant and its oxidation state and concentration. For experimental verification of these predictions, manganese‐doped ZrO2 nanoparticles were synthesized.
Clavel, G., Willinger, M., Zitoun, D., Pinna, N.   +3 more
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The Systems Zirconia‐Lanthana and Zirconia‐Neodymia

Journal of the American Ceramic Society, 1955
The minimum amounts of lanthana and neodymia required to stabilize zirconia into a cubic form are 30 and 20 mole %, respectively, at 980°C. X‐ray diffraction studies have established the upper limit of the two cubic solid solution regions as approximately 40 mole %.
FRANK H. BROWN, POL DUWEZ
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Creep behaviour of alumina, zirconia and zirconia-toughened alumina

Journal of the European Ceramic Society, 1997
no ...
Chevalier, Jérome, Olagnon, Christian, Fantozzi, Gilbert, Gros, H   +3 more
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Zirconia nanotubes

Chemical Communications, 1997
Hollow nanotubes of zirconia as well as of yttria-stabilized zirconia are successfully prepared by first coating the carbon nanotubes appropriately with the oxidic material and then burning off the carbon of the template.
Rao, CNR, Satishkumar, BC, Govindaraj, A
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Surface characterization of zirconia, holmium oxide/zirconia and sulfated zirconia catalysts

Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2006
Abstract Zirconia-supported holmium oxide, as well as their sulfated catalysts using (NH 4 ) 2 SO 4 were prepared by wet impregnation and calcined at different temperatures. The samples thus obtained were subjected to bulk and surface texture analysis using X-ray powder diffractometry (XRD) and N 2 -sorptiometry, respectively.
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Coloured zirconia

Crystal Research and Technology, 1994
AbstractThis paper deals with the growth of coloured zirconium oxide crystals, cubic stabilized with yttrium oxide. The host material–zirconia–is colourless. To generate colourations minor concentrations of 3d‐ and 4f‐elements are incorporated into the lattice.
H. Römer, K.‐D. Luther, W. Assmus
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