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dc.contributor.authorAlfaruq, DS-
dc.contributor.authorAguirre, MH-
dc.contributor.authorOtal, EH-
dc.contributor.authorPopuloh, S-
dc.contributor.authorKarvonen, L-
dc.contributor.authorYoon, S-
dc.contributor.authorLu, Y-
dc.contributor.authorDeng, G-
dc.contributor.authorEbbinghaus, SG-
dc.contributor.authorWeidenkaff, A-
dc.identifier.citationAlfaruq, D. S., Aguirre, M. H., Otal, E. H., Populoh, S., Karvonen, L., Yoon, S., Lu, Y., Deng, G., Ebbinghaus, S. G., & Weidenkaff, A. (2013). Crystal growth and thermoelectric properties of CaMn0.98Nb0.02O3-delta. Journal of Crystal Growth, 377, 170-177. doi:10.1016/j.jcrysgro.2013.05.020en_AU
dc.description.abstractThermoelectric CaMn0.98Nb0.02O3-delta single crystals were grown from sintered polycrystalline material using the traveling-solvent floating zone (TSFZ) method. The floating-zone furnace was operated at over-pressure using an Ar/O-2 mixture to prevent evaporation during the growth process. Six twin-domain variants were detected with single-crystal X-ray diffraction (XRD) and confirmed by electron diffraction (ED) and high-resolution transmission electron microscopy (HRTEM). The Seebeck coefficient (S) of the single-crystalline material indicates n-type semiconducting behavior. Within 10 K < T < 125 K a negative peak in S is observed, known to be characteristic of antiferromagnetic ordering. The ferromagnetic long-range ordering, expected on the basis of double exchange between Mn4+ and doped Mn3+ species, thus appears to remain suppressed in the single-crystalline material. © 2013, Elsevier Ltd.en_AU
dc.publisherElsevier Science B.V.en_AU
dc.subjectCrystal growthen_AU
dc.subjectMagnetic propertiesen_AU
dc.titleCrystal growth and thermoelectric properties of CaMn0.98Nb0.02O3-deltaen_AU
dc.typeJournal Articleen_AU
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