Rainer Niewa

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Single crystals of garnet-type trimanganese(II) dichrom-i-um(III) tris-[orthogermanate(IV)], Mn(II) (3)Cr(III) (2)(GeO(4))(3), were obtained by utilizing a chemical transport reaction. Corres-ponding to the mineral garnet with the general formula A(II) (3)B(III) (2)(SiO(4))(3), each of the four elements occupies only one crystallographically distinct(More)
Discoveries of new materials can lead to improved technologies — especially if relevant properties can be widely varied and precisely controlled. New materials may exhibit unexpected phenomena that motivate theoretical breakthroughs and quantitative models for optimizing devices. We discuss single crystal data for the R-type ferrites(More)
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