Yttrium is a gray-black metal with the chemical
symbol Y. It is the first rare earth metal element discovered and has
Yttrium is widely used in industry. It can be used as a yttrium phosphor
to produce red color on TV screens. It is also used in filters for
certain rays, superconductors and super alloys, and special glasses.
Yttrium is resistant to high temperature and corrosion, and can be used
as a cladding material for nuclear fuel. Yttrium and a variety of
ammonia-carboxyl complexing agents can form stable chelate;
neodymium-containing yttrium aluminum garnet is an excellent laser
material, yttrium iron garnet is an excellent laser material, yttrium
iron garnet and yttrium aluminum garnet are new types of magnetism
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