Boundary energies and the geometry of phase separation in double-exchange magnets

D. I. Golosov*, D. Orgad

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


We calculate the energy of a boundary between ferro- and antiferromagnetic regions in a phase separated double-exchange magnet in two and three dimensions. The orientation dependence of this energy can significantly affect the geometry of the phase-separated state in two dimensions, changing the droplet shape and possibly stabilizing a striped arrangement within a certain range of the model parameters. A similar effect, albeit weaker, is also present in three dimensions. As a result, a phase-separated system near the percolation threshold is expected to possess intrinsic hysteretic transport properties, relevant in the context of recent experimental findings.

Original languageAmerican English
Article number104403
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number10
StatePublished - 2006


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