Ferromagnetism and conductivity in atomically thin SrRuO3

H. Boschker, T. Harada, C. R. Hughes, A. V. Boris1, and J. Mannhart

1Department Solid State Spectroscopy
Atomically thin ferromagnetic and conducting electron systems are highly desirable for spintronics because they can be controlled with both magnetic and electric fields. We have fabricated and explored (SrRuO3)1–(SrTiO3)5 superlattices of exceptional quality. In these superlattices the active electron system comprises only a single RuO2 plane. This atomically thin plane is found to be conducting and ferromagnetic.

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