Dysprosium (Dy)

Dysprosium (Dy)


Atomic Number: 66

Atomic Weight: 162.500

Melting Point: 1685 K (1412°C or 2574°F)

Boiling Point: 2840 K (2567°C or 4653°F)

Density: 8.55 grams per cubic centimeter

Phase at Room Temperature: Solid

Element Classification: Metal

Period Number: 6

Group Number: none

Group Name: Lanthanide

Many of the Dysprosium isotopes have been the subject of physics research. Dy-156 has been used to study double electron capture while Dy-160 has been used in research to investigate its multitude of excited states. Dy-161 spectroscopy has been used to determine the properties of Dy based superconductor material. Dy-162 has been used to study excited states in deformed nuclei. Dy-164 has two medical applications. It is used in the production of Dy-165 which is used in arthritis therapy. Dy-164 is also used for the production of Dy-166 which decays to Ho-166 and this used in cancer therapy. The Dy-164 to Ho-166 route gives the advantage of generating so-called carrier free material.

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