NMR analysis of La+Co doped M-type ferrites

We investigated Sr sub(1-x)La sub(x)Fe sub(12-x)Co sub(x)O sub(19)-powd ers, (an improved variant of the popular hard magnetic M-type hexaferrites SrFe sub(1)2O sub(1)9) with nuclear magnetic resonance at low temperature, and in magnetic fields of up to 3T. Three satellite lines were observed in the...

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Veröffentlicht in:Journal of magnetism and magnetic materials 2002-04, Vol.242-245, p.1408-1410
Hauptverfasser: Pieper, M.W., Morel, A., Kools, F.
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container_title Journal of magnetism and magnetic materials
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creator Pieper, M.W.
Morel, A.
Kools, F.
description We investigated Sr sub(1-x)La sub(x)Fe sub(12-x)Co sub(x)O sub(19)-powd ers, (an improved variant of the popular hard magnetic M-type hexaferrites SrFe sub(1)2O sub(1)9) with nuclear magnetic resonance at low temperature, and in magnetic fields of up to 3T. Three satellite lines were observed in the zero-field powder spectra of sub(57)Fe. We assign the satellites to Fe-sites with a f1- and f2-Co neighbors, respectively, and discuss the implications for the total magnetization. copyright 2002 Elsevier Science B.V. All rights reserved.
doi_str_mv 10.1016/S0304-8853(01)00963-5
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title NMR analysis of La+Co doped M-type ferrites
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