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Wednesday 08 May, 2013 | RSS Feed

About Rare Earth Elements

by Administrator | 5135 comments

Rare elements consists of group of seventeen elements having atomic numbers 21, 39, and from 57 to 71. The elements having atomic numbers between 58-71 are called as lanthanide. As these elements have strong affinity for the non metallic elements due to which they are used for producing alloys which are used in metallurgical industries. They occur in low concentration in the nature. However in certain minerals, where they occur as mixtures, they occurred in high concentration.

Rare elements find their application in glass, ceramic, lighting, and metallurgical industries. These elements have properties of exhibiting light when heated with oxides due to which they are used in cored carbon arcs. Rare earths also find their application in the petroleum industry as catalysts. Some of the rare earth elements like Yttrium aluminum garnets (YAG) are used in the jewelry trade as artificial diamonds.

As per latest research in dissimilar crystalline environment rare earth ions compete with one another and undermine the magnetic performance of the highest performance magnets. These findings also pointed the need for specialized atomic engineering of the material - manipulating the rare-earth local atomic structure to fully utilize the rare-earth contribution in next generations of magnets. This research will perhaps help the manufacturers to manipulate the rare earth ions atomic structure to improve the performance of earth magnets in future.






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