Fe-57 NMR study of the magnetoelectric hexaferrite Ba0.5Sr1.5Zn2Fe12O22 and Ba0.5Sr1.5Zn2(Fe0.92Al0.08)(12)O-22

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Magnetoelectric hexaferrite Ba0.5Sr1.5Zn2Fe12O22 (BSZFO) and Ba0.5Sr1.5Zn2(Fe0.92Al0.08)(12)O-22 (BSZFAO) were investigated by Fe-57 nuclear magnetic resonance (NMR). The spin-canting angles of all NMR peaks were measured to assign each peak to corresponding Fe3+ sites. It was revealed that the spin-canting angle of Fe3+ ions at off-centered octahedra is fixed and Al3+ ions substitute for Fe3+ ions at those sites. The temperature dependence of the NMR frequency indicates that the low-temperature excitation is spin wave in ferromagnetic phase.
Publisher
AMER PHYSICAL SOC
Issue Date
2013-08
Language
English
Article Type
Article
Keywords

(BA1-XSRX)2ZN2FE12O22; MULTIFERROICS; ORDERS

Citation

PHYSICAL REVIEW B, v.88, no.6, pp.064404

ISSN
1098-0121
DOI
10.1103/PhysRevB.88.064404
URI
http://hdl.handle.net/10203/189375
Appears in Collection
PH-Journal Papers(저널논문)
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