Ferromagnetism and Conductivity in Atomically Thin SrRuO3

H. Boschker; T. Harada; T. Asaba; R. Ashoori; A. V. Boris; H. Hilgenkamp; C. R. Hughes; M. E. Holtz; L. Li; D. A. Muller; H. Nair; P. Reith; X. Renshaw Wang; D. G. Schlom; A. Soukiassian; J. Mannhart

doi:10.1103/PhysRevX.9.011027

Ferromagnetism and Conductivity in Atomically Thin SrRuO3

H. Boschker^*, T. Harada, T. Asaba, R. Ashoori, A. V. Boris, H. Hilgenkamp, C. R. Hughes, M. E. Holtz, L. Li, D. A. Muller, H. Nair, P. Reith, X. Renshaw Wang, D. G. Schlom, A. Soukiassian, J. Mannhart

^*Corresponding author for this work

Interfaces and Correlated Electron Systems

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Abstract

Atomically thin ferromagnetic and conducting electron systems are highly desired for spintronics, because they can be controlled with both magnetic and electric fields. We present (SrRuO3)1-(SrTiO3)5 superlattices and single-unit-cell-thick SrRuO3 samples that are capped with SrTiO3. We achieve samples of exceptional quality. In these samples, the electron systems comprise only a single RuO2 plane. We observe conductivity down to 50 mK, a ferromagnetic state with a Curie temperature of 25 K, and signals of magnetism persisting up to approximately 100 K.

Original language	English
Article number	011027
Journal	Physical review X
Volume	9
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevX.9.011027
Publication status	Published - 8 Feb 2019

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title = "Ferromagnetism and Conductivity in Atomically Thin SrRuO3",

abstract = "Atomically thin ferromagnetic and conducting electron systems are highly desired for spintronics, because they can be controlled with both magnetic and electric fields. We present (SrRuO3)1-(SrTiO3)5 superlattices and single-unit-cell-thick SrRuO3 samples that are capped with SrTiO3. We achieve samples of exceptional quality. In these samples, the electron systems comprise only a single RuO2 plane. We observe conductivity down to 50 mK, a ferromagnetic state with a Curie temperature of 25 K, and signals of magnetism persisting up to approximately 100 K.",

author = "H. Boschker and T. Harada and T. Asaba and R. Ashoori and Boris, {A. V.} and H. Hilgenkamp and Hughes, {C. R.} and Holtz, {M. E.} and L. Li and Muller, {D. A.} and H. Nair and P. Reith and {Renshaw Wang}, X. and Schlom, {D. G.} and A. Soukiassian and J. Mannhart",

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T1 - Ferromagnetism and Conductivity in Atomically Thin SrRuO3

AU - Boschker, H.

AU - Harada, T.

AU - Asaba, T.

AU - Ashoori, R.

AU - Boris, A. V.

AU - Hilgenkamp, H.

AU - Hughes, C. R.

AU - Holtz, M. E.

AU - Li, L.

AU - Muller, D. A.

AU - Nair, H.

AU - Reith, P.

AU - Renshaw Wang, X.

AU - Schlom, D. G.

AU - Soukiassian, A.

AU - Mannhart, J.

PY - 2019/2/8

Y1 - 2019/2/8

N2 - Atomically thin ferromagnetic and conducting electron systems are highly desired for spintronics, because they can be controlled with both magnetic and electric fields. We present (SrRuO3)1-(SrTiO3)5 superlattices and single-unit-cell-thick SrRuO3 samples that are capped with SrTiO3. We achieve samples of exceptional quality. In these samples, the electron systems comprise only a single RuO2 plane. We observe conductivity down to 50 mK, a ferromagnetic state with a Curie temperature of 25 K, and signals of magnetism persisting up to approximately 100 K.

AB - Atomically thin ferromagnetic and conducting electron systems are highly desired for spintronics, because they can be controlled with both magnetic and electric fields. We present (SrRuO3)1-(SrTiO3)5 superlattices and single-unit-cell-thick SrRuO3 samples that are capped with SrTiO3. We achieve samples of exceptional quality. In these samples, the electron systems comprise only a single RuO2 plane. We observe conductivity down to 50 mK, a ferromagnetic state with a Curie temperature of 25 K, and signals of magnetism persisting up to approximately 100 K.

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U2 - 10.1103/PhysRevX.9.011027

DO - 10.1103/PhysRevX.9.011027

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Ferromagnetism and Conductivity in Atomically Thin SrRuO3

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