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Preparation And Magnetic Properties Of Rare Earth Garnets And Apatites, Rostam Mondegarian
Preparation And Magnetic Properties Of Rare Earth Garnets And Apatites, Rostam Mondegarian
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It has been found possible to prepare garnets with magnetic trivalent rare earth ions filling all or most dodecahedral sites while nonmagnetic Sc3+ ions fill all octahedral sites and magnetic Fe3+ ions fill all or most tetrahedral sites. Phase-pure garnets found include {RE3-yScy}[Sc2](Fe3)O12, where RE is Sm, Eu, Gd, Tb or Dy and y can be zero with Sm and Eu; {Nd3}[Sc2](FezGa3-z)O12; and other Nd-Sc-Fe garnets of the type {Nd3-(w+y)MwScy}[Sc2](Fe …