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This title appears in the Scientific Report : 2015 

Antiferromagnetic resonance of polycrystalline BiMn$_{2}$O$_{5}$

Antiferromagnetic resonance of polycrystalline BiMn$_{2}$O$_{5}$

Multi-frequency electron spin resonance (ESR) measurements in polycrystalline samples of BiMn2O5 were employed to observe antiferromagnetic resonances (AFMR) in the range 0–14 T below the Néel temperature. The experimental data were analyzed using the phenomenological theory of Yosida and Nagamiya....

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Personal Name(s): Santana, V. T. (Corresponding author)
Walmsley, L. / Fier, I. / Eichel, R.-A. / Jakes, P. / Chumak, I. / Ozarowski, A. / van Tol, J. / Nascimento, O. R.
Contributing Institute: Grundlagen der Elektrochemie; IEK-9
Published in: Solid state communications, 207 (2015) S. 40 - 43
Imprint: New York, NY [u.a.] Elsevier Science 2015
DOI: 10.1016/j.ssc.2015.02.007
Document Type: Journal Article
Research Program: Electrochemical Storage
Publikationsportal JuSER
Please use the identifier: http://dx.doi.org/10.1016/j.ssc.2015.02.007 in citations.

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Multi-frequency electron spin resonance (ESR) measurements in polycrystalline samples of BiMn2O5 were employed to observe antiferromagnetic resonances (AFMR) in the range 0–14 T below the Néel temperature. The experimental data were analyzed using the phenomenological theory of Yosida and Nagamiya. Three resonance modes were identified in the xz (ac) plane from the data at 5 K. Macroscopic constants of anisotropy K1=12.5×106 erg/cm3 and K2=7.0×106 erg/cm3 were calculated allowing for the single-site anisotropy constant K′ to be estimated at T=0 K. The obtained value shows reasonable agreement with theoretical predictions.

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