• Thumbnail for Yttrium(III) oxide
    Yttrium oxide, also known as yttria, is Y2O3. It is an air-stable, white solid substance. The thermal conductivity of yttrium oxide is 27 W/(m·K). Yttrium...
    11 KB (1,035 words) - 13:17, 20 October 2024
  • Thumbnail for Yttrium
    valence electrons. A good example is yttrium(III) oxide (Y 2O 3), also known as yttria, a six-coordinate white solid. Yttrium forms a water-insoluble fluoride...
    58 KB (6,687 words) - 12:39, 5 December 2024
  • Yttrium oxide may refer to: Yttrium(II) oxide, YO, a dark brown solid Yttrium(III) oxide, Y2O3, a colorless solid This set index article lists chemical...
    472 bytes (54 words) - 04:31, 12 September 2021
  • Thumbnail for Yttrium barium copper oxide
    Yttrium barium copper oxide (YBCO) is a family of crystalline chemical compounds that display high-temperature superconductivity; it includes the first...
    24 KB (2,517 words) - 19:38, 12 October 2024
  • Thumbnail for Yttrium iron garnet
    temperature of 560 K. YIG may also be known as yttrium ferrite garnet, or as iron yttrium oxide or yttrium iron oxide, the latter two names usually associated...
    9 KB (761 words) - 06:38, 9 November 2024
  • Thumbnail for Cubic zirconia
    remain stable at ordinary temperatures; typically this is either yttrium or calcium oxide, the amount of stabilizer used depending on the many recipes of...
    27 KB (3,036 words) - 04:27, 17 November 2024
  • Thumbnail for Zirconium dioxide
    temperatures, as is usually the case. A small percentage of the oxides of calcium or yttrium stabilize in the cubic phase. The very rare mineral tazheranite...
    21 KB (2,070 words) - 17:05, 25 October 2024
  • Thumbnail for Terbium
    chemical element in 1843. He detected it as an impurity in yttrium oxide (Y2O3). Yttrium and terbium, as well as erbium and ytterbium, are named after...
    44 KB (5,438 words) - 23:33, 25 December 2024
  • Yttrium(II) oxide or yttrium monoxide is a chemical compound with the formula YO. This chemical compound was first created in its solid form by pulsed...
    4 KB (102 words) - 12:37, 19 October 2024
  • Thumbnail for Yttria-stabilized zirconia
    Yttria-stabilized zirconia (category Yttrium compounds)
    dioxide is made stable at room temperature by an addition of yttrium oxide. These oxides are commonly called "zirconia" (ZrO2) and "yttria" (Y2O3), hence...
    13 KB (1,446 words) - 15:03, 20 October 2024
  • Thumbnail for Rare-earth element
    earths, and sometimes the lanthanides or lanthanoids (although scandium and yttrium, which do not belong to this series, are usually included as rare earths)...
    155 KB (16,591 words) - 07:03, 30 December 2024
  • Thumbnail for Skull crucible
    of zirconium oxide. In order to maintain a cubic crystal system a stabilizer is added, magnesium oxide, calcium oxide or yttrium oxide as well as any...
    3 KB (328 words) - 03:10, 18 October 2023
  • They resemble the "yttrium group" of heavy lanthanide elements. The oxides and hydroxides of yttrium are yttrium oxide (Y2O3) and yttrium hydroxide (Y(OH)3)...
    11 KB (1,244 words) - 20:52, 29 April 2024
  • Thumbnail for Group 3 element
    reactivity is masked by the formation of an oxide layer. The first three of them occur naturally, and especially yttrium and lutetium are almost invariably associated...
    53 KB (5,863 words) - 07:42, 22 October 2024
  • Thumbnail for Keilhauite
    Keilhauite (category Yttrium minerals)
    consists chiefly of silicon dioxide, titanium dioxide, calcium oxide, and yttrium oxide. The variety was described in 1841 and named for Baltazar Mathias...
    2 KB (89 words) - 18:18, 15 January 2022
  • Thumbnail for Gas mantle
    His first process used a mixture of 60% magnesium oxide, 20% lanthanum oxide and 20% yttrium oxide, which he called "Actinophor" and patented in 1887...
    13 KB (1,659 words) - 22:44, 4 November 2024
  • Thumbnail for Monazite
    about 5% praseodymium, and minor quantities of samarium, gadolinium, and yttrium. Europium concentrations tend to be low, about 0.05%. South African "rock"...
    19 KB (1,970 words) - 18:03, 28 October 2024
  • Thumbnail for Ceramic knife
    highest strength and toughness is produced by the addition of 3 mol% yttrium oxide yielding partially stabilized zirconia. This material consists of a...
    6 KB (692 words) - 18:29, 25 October 2023
  • Thumbnail for Johan Gadolin
    sample was a previously unknown "earth", an oxide which was later named yttria. Yttria, or yttrium oxide, was the first known rare-earth metal compound—at...
    18 KB (1,725 words) - 03:12, 4 December 2024
  • Thumbnail for Yttrium aluminium garnet
    Yttrium aluminium garnet (YAG, Y3Al5O12) is a synthetic crystalline material of the garnet group. It is a cubic yttrium aluminium oxide phase, with other...
    21 KB (2,525 words) - 21:09, 13 December 2024
  • Thumbnail for Europium(III) oxide
    phosphor in television sets and fluorescent lamps, and as an activator for yttrium-based phosphors. It is also an agent for the manufacture of fluorescent...
    5 KB (292 words) - 13:59, 15 July 2023
  • Thumbnail for Scandium oxide
    Scandium oxide forms scandate salts with alkalis, unlike its higher homologues yttrium oxide and lanthanum oxide (but like lutetium oxide), for example...
    6 KB (555 words) - 19:38, 21 August 2024
  • Thumbnail for Polycrase
    Polycrase (category Yttrium minerals)
    Polycrase or polycrase-(Y) is a black or brown metallic complex uranium yttrium oxide mineral with the chemical formula (Y,Ca,Ce,U,Th)(Ti,Nb,Ta)2O6. It is...
    3 KB (133 words) - 02:48, 13 February 2023
  • Thumbnail for Cathode-ray tube
    emission properties. Examples of rare earth phosphors are yttrium oxide for red and yttrium silicide for blue in beam index tubes, while examples of earlier...
    266 KB (29,026 words) - 16:33, 31 December 2024
  • Thumbnail for Thorium dioxide
    for this purpose. Some mantles still use thorium, but yttrium oxide (or sometimes zirconium oxide) is used increasingly as a replacement. When added to...
    13 KB (1,232 words) - 10:24, 5 February 2024
  • Thumbnail for Phosphor
    activated phosphors appeared; first in an yttrium vanadate matrix, then in yttrium oxide and currently in yttrium oxysulfide. The evolution of the phosphors...
    61 KB (5,641 words) - 00:03, 11 December 2024
  • Yttrium(III) hydroxide is an inorganic compound and an alkali with the chemical formula Y(OH)3. Yttrium(III) hydroxide can be produced by reacting yttrium(III)...
    2 KB (158 words) - 13:37, 31 December 2022
  • Thumbnail for Scandium
    of scandium oxide is 15–20 tonnes per year. The properties of scandium compounds are intermediate between those of aluminium and yttrium. A diagonal relationship...
    38 KB (4,433 words) - 19:26, 18 December 2024
  • Thumbnail for Lanthanum
    off like iron rust, instead of forming a protective oxide coating like aluminium, scandium, yttrium, and lutetium. Lanthanum reacts with the halogens at...
    48 KB (6,048 words) - 20:52, 14 December 2024
  • Lanthanide (redirect from Lanthanide oxide)
    good red phosphors possible. Yttrium iron garnet (YIG) spheres can act as tunable microwave resonators. Lanthanide oxides are mixed with tungsten to improve...
    107 KB (10,324 words) - 12:13, 27 November 2024