Ferrimagnetism in PrCoO3 epitaxial films

Virat V. Mehta, Shameek Bose, Jodi M. Iwata-Harms, Elke Arenholz, C. Leighton, Y. Suzuki

Research output: Contribution to journalArticle

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Abstract

We demonstrate the stabilization of a ferrimagnetic ground state in epitaxial films of PrCoO3 grown on SrTiO3 (001) substrates, in stark contrast to paramagnetic behavior observed in bulk. Heteroepitaxial strain is found to induce long-range ordering of the Co ions, which we deduce to be in a high-spin state. The ferromagnetic ordering of the CoO6 array is accompanied by ordering of the Pr sublattice in an antiparallel orientation to the Co. The ordering of the Pr sublattice provides evidence for significant Co-Pr exchange likely facilitated by the presence of high-spin Co.

Original languageEnglish (US)
Article number020405
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume87
Issue number2
DOIs
StatePublished - Jan 15 2013

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