Journal
NANO LETTERS
Volume 12, Issue 8, Pages 4055-4059Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl301451e
Keywords
Heterointerfaces; complex oxides; magnetism; scanning SQUID microscopy
Categories
Funding
- U.S. DOE, Division of Materials Sciences [DE-AC02-76SF00515]
- FENA-MARCO [0160SMB958]
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Manipulation of magnetism is a longstanding goal of research in exotic materials. In this work, we demonstrate that the small ferromagnetic patches in LaAlO3/SrTiO3 heterostructures can be dramatically changed by in situ contact of a scanning probe. Our results provide a platform for manipulation of small magnets through either a strong magneto-elastic coupling or sensitivity to surface modification. The ability to locally control magnetism is particularly interesting due to the presence of superconductivity with strong spin orbit coupling in LaAlO3/SrTiO3.
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