This is a pure samarium sputtering target, Sm 99.9% (Sm over total rare earth metals). 

 The dimensions are 2.00" diameter x 0.25" thick.

The target is packed in mineral oil to prevent oxidation as it is rather reactive. This mineral oil can be removed from the target prior to loading in your sputtering system by simply washing it in acetone or isopropyl alcohol. It may be handled in open air for an hour or two without harm to the material.

We can offer any other size you might want in this material. We can also bond this to a backing plate (ours or yours), attach magnetic keepers, or otherwise prepare the targets for use in your system; call for pricing on those extra services by googling us on the web.