Yttrium Zirconium Oxide
Product: Yttrium Zirconium Oxide (ZrO2 / Y2O3, Purity: >99.9%, APS: 30-45µm)
Quality Control: Each lot of NANOSHEL Yttrium Zirconium Oxide tested successfully.
|Product Name||Yttria Stabilized Zirconia|
|Molecular Formula||ZrO2 / Y2O3||Confirm|
|Thermal Expansion Coefficient||10.0×10-6K-1(0-1200°C||Confirm|
|RT Thermal Conductivity||2.0W/(mK)||Confirm|
|Solubility||Insoluble in Water|
|Main Inspect Verifier||Manager QC|
Dr. Marcus Tägtmeyer (International Medical and Technological University, Dar es Salaam, Tanzania)
An oxide is a chemical compound that contains at least one oxygen atom and one other element in its chemical formula. “Oxide” itself is the dianion of oxygen, an O2– atom. Metal oxides thus typically contain an anion of oxygen in the oxidation state of −2. Most of the Earth’s crust consists of solid oxides, the result of elements being oxidized by the oxygen in air or in water Hydrocarbon combustion affords the two principal carbon oxides: carbon monoxide and carbon dioxide.
Dr. Ms Jane Li (National Penghu University of Science and Technology, Magong, Penghu, Republic of China)
Metal oxides play a very important role in many areas of chemistry, physics and materials science. The metal elements are able to form a large diversity of oxide compounds. These can adopt a vast number of structural geometries with an electronic structure that can exhibit metallic, semiconductor or insulator character. In technological applications, oxides are used in the fabrication of microelectronic circuits, sensors, piezoelectric devices, fuel cells, coatings for the passivation of surfaces against corrosion, and as catalysts.
Dr. Willem-Jan de Kleijn Ph.D (Luleå University of Technology, Luleå, Sweden)
Even materials considered pure elements often develop an oxide coating. For example, aluminium foil develops a thin skin of Al2O3 (called a passivation layer) that protects the foil from further corrosion. Individual elements can often form multiple oxides, each containing different amounts of the element and oxygen. In some cases, these are distinguished by specifying the number of atoms as in carbon monoxide and carbon dioxide, and in other cases by specifying the element’s oxidation number, as in iron(II) oxide and iron(III) oxide. Certain elements can form many different oxides, such those of nitrogen.
Dr. JKF Gojukai PhD (Kaiserslautern University of Technology, Kaiserslautern, Rhineland-Palatinate, Germany)
Oxide powder can exhibit unique physical and chemical properties due to their limited size and a high density of the corner or edge surface sites. Particle size is expected to influence three important groups of basic properties in any material. The first one comprises the structural characteristics, namely the lattice symmetry and cell parameters.
Dr. Huang Fu Ph.D (Maebashi Institute of Technology, Maebashi, Gunma, Japan)
Oxides have a range of different structures, from individual molecules to polymeric and crystalline structures. At standard conditions, oxides may range from solids to gases. Oxides of most metals adopt polymeric structures. The oxide typically links three metals (e.g., rutile structure) or six metals (carborundumor rock salt structures). Because the M-O bonds are typically strong and these compounds are crosslinked polymers, the solids tend to be insoluble in solvents, though they are attacked by acids and bases. The formulas are often deceptively simple. Many are nonstoichiometric compounds. Although most metal oxides are polymeric, some oxides are molecules. Examples of molecular oxides are carbon dioxide and carbon monoxide.
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