Cerium
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Cerium is a chemical element; it has symbol Ce and atomic number 58, and is a soft, ductile, and silvery-white metal that tarnishes when exposed to air. Cerium is the second element in the lanthanide
Phase diagram of cerium
Ceric ammonium nitrate
A white LED in operation: the diode produces monochromatic blue light but the Ce:YAG phosphor converts some of it into yellow light; the combination is perceived as white by the human eye.
Neodymium
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Neodymium is a chemical element; it has symbol Nd and atomic number 60. It is the fourth member of the lanthanide series and is considered to be one of the rare-earth metals. It is a hard, slightly ma
Neodymium metal in a glass vial
Neodymium(III) sulfate
Neodymium acetate powder
Neodymium(III) hydroxide powder