American Elements
Scandia Stabilized Zirconia (6 Mol. %)
SCZ
Zirconium Oxide doped and stabilized with Scandium Oxide
Fuel Cell Electrolyte
ZrO/Y2O3
Product
Product Code
Order or Specifications
Scandia Stabilized Zirconia (6 mol. %) Powder
SCZ6-P
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Scandia Stabilized Zirconia (6 mol. %) Ink
SCZ6-I
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American Elements specializes in producing scandia stabilized zirconium oxide (SCZ), zirconium oxide stabilized by various doping levels of scandium oxide, a material that upon firing forms a dense highly ionically conductive thin film electrolyte layer for use in solid oxide fuel cell electrochemistry structures. Scandia doped Zirconium Oxide belongs to a class of doped oxide compounds with ionic conductivity exceeding yttria stabilized zirconia (YSZ) electrolytes. These include samarium doped ceria (SDC), yttria doped ceria (YDC) and Yttrium Oxide doped Bismuth Oxide. Scandia Stablized Zirconia is available in a powder for tape casting, air spray, extrusion and sputtering fuel cell applications and as an ink for screen printing. Scandia doping levels are available at 6% and as specified by customer. American Elements provides guidance on firing parameters, doping levels, and thermal expansion matching with American Elements' cathode and anode cell layers.

Scandium is a Block D, Group 3, Period 4 element. The electronic configuration is [Ar] 3d1 4s2. In its elemental form scandium's CAS number is 7440-20-2. The scandium atom has a radius of 160.6.pm and it's Van der Waals radius is 200.pm. Scandium is a metal that has many of the characteristics of the rare earth elements, particularly yttrium. It is a light material with a higher melting point than aluminum giving uses in aerospace and most recently, in racing bicycles and golf clubs. Doping zirconium oxide with scandium oxide produces a low temperature electrolyte in solid oxide fuel cells.

Formula CAS No. Appearance Molecular Weight Density Melting Point Boiling Point Solubility Stability
                 
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Recent Research & Development for Scandium

  • Structural Varieties in Heterobimetallic Lanthanide Disiloxanediolates: "Inorganic Metallocenes" versus In-Plane Metallacrowns. Inorg Chem. 2007 Oct 2; [Epub ahead of print]

  • Peri- and Enantioselectivity of Thermal, Scandium-, and [Pybox/Scandium]-Catalyzed Diels-Alder and Hetero-Diels-Alder Reactions of Methyl (E)-2-Oxo-4-aryl-butenoates with Cyclopentadiene. Chemistry. 2007 Sep 14; [Epub ahead of print]

  • Comparing the effects of root surface scaling with ultrasound instruments and Er,Cr:YSGG laser. Lasers Med Sci. 2007 Sep 2; [Epub ahead of print]

  • Optical fluoride sensor based on monomer-dimer equilibrium of scandium(III)-octaethylporphyrin in a plasticized polymeric film. Anal Chim Acta. 2007 Aug 29;598(2):295-303. Epub 2007 Jul 25.

  • Sc3N@C78: encapsulated cluster regiocontrol of adduct docking on an ellipsoidal metallofullerene sphere. J Am Chem Soc. 2007 Sep 5;129(35):10795-800. Epub 2007 Aug 10.

  • CsSc[B2P3O11(OH)3]: a new borophosphate oligomer containing boron in three- and fourfold coordination. Inorg Chem. 2007 Sep 3;46(18):7503-8. Epub 2007 Jul 28.

  • Enantioselective Friedel-Crafts alkylations catalyzed by bis(oxazolinyl)pyridine-scandium(III) triflate complexes. J Am Chem Soc. 2007 Aug 15;129(32):10029-41. Epub 2007 Jul 21.

  • The rare earth, scandium, causes antibiotic overproduction in Streptomyces spp. FEMS Microbiol Lett. 2007 Sep;274(2):311-5. Epub 2007 Jul 20.

  • Experimental electron density of the complex carbides Sc3[Fe(C2)(2)] and Sc3[Co(C2)(2)]. J Am Chem Soc. 2007 Aug 1;129(30):9356-65. Epub 2007 Jul 6.

  • The antimicrobial efficacy of the erbium, chromium:yttrium-scandium-gallium-garnet laser with radial emitting tips on root canal dentin walls infected with Enterococcus faecalis. J Am Dent Assoc. 2007 Jul;138(7):992-1002.

  • Mild Reductive Opening of Aryl Pyranosides Promoted by Scandium(III) Triflate.
    J Am Chem Soc. 2007 Jan 10;129(1):38-9.

  • Arene Complexes of beta-Diketiminato Supported Organoscandium Cations: Mechanism of Arene Exchange and Alkyne Insertion in Solvent Separated Ion Pairs.
    Chemistry. 2006 Dec 15; [Epub ahead of print]

  • Efficient transamidation of primary carboxamides by in situ activation with N,N-dialkylformamide dimethyl acetals.
    J Am Chem Soc. 2006 Dec 20;128(50):16406-9.

  • Scandium-Bipyridine-Catalyzed Enantioselective Aminolysis of meso-Epoxides.
    Chemistry. 2006 Dec 13; [Epub ahead of print]

  • Ammonium scandium tetrafluoride.
    Acta Crystallogr C. 2006 Dec;62(Pt 12):i103-i105. Epub 2006 Nov 22.

  • Ru-catalyzed stereoselective addition of imides to alkynes.
    J Org Chem. 2006 Dec 8;71(25):9506-9.


  • A general method for the catalytic nazarov cyclization of heteroaromatic compounds.
    Org Lett. 2006 Nov 23;8(24):5661-4.

  • A mechanistic dichotomy in scandium ion-promoted hydride transfer of an NADH analogue: delicate balance between one-step hydride-transfer and electron-transfer pathways.
    J Am Chem Soc. 2006 Nov 22;128(46):14938-48.

  • Facile synthesis of a D-galactono-1,6-lactone derivative, a precursor of a copolyester.
    Carbohydr Res. 2006 Dec 29;341(18):2973-7. Epub 2006 Oct 25.

  • Adhesion to laser-prepared tooth structure.
    J Esthet Restor Dent. 2006;18(6):370-5.

 

 

 

 

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