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A Mössbauer effect study of the manganese-rich Y6(Fe1−xMnx)23 compounds |
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| Authors: | G.J. Long K. Hardman W.J. James |
| Affiliation: | 1. Department of Chemistry and the Graduate Center for Materials Research, Univesity of Missouri-Rolla, Rolla, MO 65401, U.S.A.;2. Nuclear Physics Division, Atomic Energy Research Establishment, Harwell, Didcot, Oxforshire OX11 ORA, England |
| Abstract: | A Mössbauer effect spectral study of Y6[Fe0.1Mn0.9]23 and Y6[Fe0.2Mn0.8]23 indicated no internal hyperfine field and hence no spontaneous long-range magnetic ordering at temperatures from 300- 1.5 K. The same result was obtained at 4.2 K in applied magnetic fields of up to 6 T. The maximum possible spontaneous magnetic moment on the iron is less than 0.03 μβ. The absence of spontaneous ordering is a result of the disruption of manganese-manganese interactions by the iron. |
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