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Properties of non-crystalline EuIG and DyIG obtained from Mossbauer and magnetization data

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Non crystalline (nc) EuIG and DyIG have been prepared by dc¿sputtering. Mössbauer data on 57Fe, 151Eu and 161Dy reveal sharp magnetic transitions at 62 K and 70 K for nc EuIG and DyIG, respectively. The 57Fe hyperfine (hf) spectra consist of three superpositioned patterns for Fe3+ in tetrahedral and octahedral and for Fe2+ in tetrahedral oxygen coordination. The saturation hf fields at 4.2 K are reduced compared to the values of the corresponding crystalline materials. The induced hf field at 151Eu is only 1/8 of that for crystalline EuIG

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LITTERST, F. J., TEJADA PALACIOS, Javier and KALVIUS, G. M. Properties of non-crystalline EuIG and DyIG obtained from Mossbauer and magnetization data. Journal of Applied Physics. 1979. Vol. 50, num. B11 p. ISSN 0021-8979. [consulted: 18 of September of 2026]. Available at: https://hdl.handle.net/2445/22067

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