Preparation and magnetic property of new rare earth compounds R2GeBe2O7 (R = La,Pr, Sm,Gd, Dy,Er) and Y2GeBe2O7 |
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Authors: | Y. Ochi H. Morikawa I. Minato F. Marumo |
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Affiliation: | Research Laboratory of Engineering Materials, Tokyo Institute of Technology 227 Yokohama, Japan |
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Abstract: | New rare earth compounds which are isostructural with silicate minerals of the melilite family have been prepared. The cell dimensions vary linearly with the radii of rare earth ions, showing a typical Lanthanoid contraction. Magnetic susceptibilities of the rare earth compounds were measured in the temperature range from 77 K to 1000 K. A trend toward weak ferromagnetism with decreasing temperature was observed in the heavy rare earth compounds. |
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