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Results 971 - 980 of 1254 for Semiconductors
  • Article - 31 Mar 2006
    The optical properties of palladium (Pd) / yttrium (Y) double-layered thin films have been investigated to realize an optical hydrogen sensor with high sensitivity at room temperature. Compared with...
  • Article - 16 Jan 2022
    Silicon Carbide is one of the hardest of ceramics & retains hardness at elevated temperatures, which translates into the best wear resistance.
  • Article - 25 Oct 2005
    A new type of triode field-emission display constructed by the ceramic cold emitter was designed and tested. The display had three electrodes, a ceramic cold emitter, extraction gate and accelerating...
  • Article - 9 Aug 2002
    The issues involved with the establishment of a pan-European set of standards covering gas cylinders is explored. Such things are materials, design, testing and inspection are all covered.
  • Article - 25 Jul 2002
    Although tungsten-filament bulbs are the world’s most extensively used light source, they are inefficient and generate more heat than light.
  • Article - 15 Jul 2002
    In 1863, Reich and Richter discovered indium. The element was named after the bright indigo line that it emits in its atomic spectrum.
  • Article - 29 Nov 2001
    Ceramic brazing techniques are used to join ceramics to other materials. Sometimes the use of intermediate layers are required to increase wetting of the materials to enable creation of a suitable...
  • Article - 1 Aug 2001
    Grain boundaries play an important role in the electrical behaviour of some materials. Control of grain boundaries can influence how well a material performs. A method for measuring the structure of...
  • Article - 5 Feb 2001
    Silicon carbide is a hard covalently bonded material predominantly produced by the carbothermal reduction of silica (typically using the Acheson process). Several commercial grades of silicon carbide...
  • Article - 22 Oct 2024
    Lab-grown diamonds, created using HPHT and CVD methods, offer identical properties to natural diamonds. They provide a sustainable, cost-effective alternative for use in jewelry and high-tech...

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