Journal
PHYSICAL REVIEW X
Volume 9, Issue 1, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevX.9.011027
Keywords
Condensed Matter Physics; Magnetism; Strongly Correlated Materials
Categories
Funding
- National Science Foundation (NSF) through the MIP program [DMR-1539918]
- National Science Foundation [ECCS-1542081]
- U.S. Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering [DE-SC0002334]
- NSF MRSEC program [DMR-1719875]
- Dutch NWO-Rubicon Grant [2011, 680-50-1114]
- U.S. Department of Energy (DOE) [DE-SC0008110]
- U.S. Department of Energy (DOE) [DE-SC0008110] Funding Source: U.S. Department of Energy (DOE)
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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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