What are the application of lanthanoids?

1.	What are the application of lanthanoids?
Answer» 1. Lanthanoid compounds are used inside the colour television tubes and computer monitor. For example mixed oxide (Eu, Y)₂ O₃ releases an intense red colour when bombarded with high energy electrons. 2. Lanthanoid ions are used as active ions in luminescent materials. (Optoelectronic application) 3. Nd : YAG laser is the most notable application. (Nd : YAG = neodymium doped ytterium aluminium garnet) 4. Erbium doped fibre amplifiers are used in optical fibre communication systems. 5. Lanthanoids are used in cars, superconductors and permanent magnets.

Answer»

1. Lanthanoid compounds are used inside the colour television tubes and computer monitor. For example mixed oxide (Eu, Y)₂ O₃ releases an intense red colour when bombarded with high energy electrons.

2. Lanthanoid ions are used as active ions in luminescent materials. (Optoelectronic application)

3. Nd : YAG laser is the most notable application. (Nd : YAG = neodymium doped ytterium aluminium garnet)

4. Erbium doped fibre amplifiers are used in optical fibre communication systems.

5. Lanthanoids are used in cars, superconductors and permanent magnets.

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