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In this video we make green fluorescent crystals from Terbium metal. Terbium is used to dope calcium fluoride, calcium tungstate and strontium molybdate, materials that are used in solid-state devices, and as a crystal stabilizer of fuel cells which operate at elevated temperatures. As a component of Terfenol-D (an alloy that expands and contracts when exposed to magnetic fields more than any other alloy), terbium is of use in actuators, in naval sonar systems and in sensors.

The largest consumer of the world's terbium supply is in "green" phosphors (which are usually yellow). Terbium oxide is in fluorescent lamps and TV tubes. Terbium "green" phosphors (which fluoresce a brilliant lemon-yellow) are combined with divalent europium blue phosphors and trivalent europium red phosphors to provide "trichromatic" lighting technology, a high-efficiency white light used for standard illumination in indoor lighting.

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  • Terbium sulfate

    Terbium sulfate is an ionic compound with the formula Tb(SO). It is notable for being extremely...

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Date/TimeThumbnailDimensionsUserComment
current03:48, August 19, 2014Thumbnail for version as of 03:48, August 19, 201403:10480 × 269 (12 KB)Brain&Force (wall | contribs)created video

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