Mossbauer spectroscopy in the system La(0.8)Sr(0.2)(Mn,Fe,Co)O(3)

da Silva, K.L.; Stöver, D.; Becker, K.D.; Tietz, F.; Börger, A.

doi:10.1016/j.ssi.2010.06.016

Journal Article

PreJuSER-18153

Mossbauer spectroscopy in the system La(0.8)Sr(0.2)(Mn,Fe,Co)O(3)

da Silva, K. L. ; Börger, A. ; Becker, K. D. ; Tietz, F.FZJ* ; Stöver, D.FZJ*

2011
Elsevier Science Amsterdam [u.a.]

Solid state ionics 192, 552 - 556 (2011) [10.1016/j.ssi.2010.06.016]

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Please use a persistent id in citations: doi:10.1016/j.ssi.2010.06.016

Abstract: A systematic study of room temperature Fe-57-Mossbauer spectra has been undertaken in the quasi-ternary system La0.8Sr0.2(Mn.Fe,Co)O-3. The spectra exhibit a wide variety from simple to complex line shapes due to varying magnetic and/or quadrupolar interactions. Most samples are non-magnetic and show a linear variation of isomer shift vs. formal oxidation state. Magnetism seems to depend on a critical amount of Fe3+-Fe3+ interactions. A magnetic phase diagram of the system at room temperature is presented. (C) 2010 Elsevier B.V. All rights reserved.

Keyword(s): J ; Perovskites (auto) ; Mossbauer spectroscopy (auto) ; Magnetic phase diagram (auto)

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