Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
1999-12-22
Phys. Rev. Lett. 84, 6090 (2000)
Physics
Condensed Matter
Strongly Correlated Electrons
Scientific paper
10.1103/PhysRevLett.84.6090
$\rm SrRuO_3$ is an itinerant ferromagnet with $T_c \sim 150 \rm K$. When $\rm SrRuO_3$ is cooled through $T_c$ in zero applied magnetic field, a stripe domain structure appears whose orientation is uniquely determined by the large uniaxial magnetocrystalline anisotropy. We find that the ferromagnetic domain walls clearly enhance the resisitivity of $\rm SrRuO_3$ and that the enhancement has different temperature dependence for currents parallel and perpendicular to the domain walls. We discuss possible interpretations of our results.
Beasley Malcolm R.
Geballe Theodore H.
Kapitulnik Aharon
Kats Yevgeny
Klein Lior
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