Journal
APPLIED PHYSICS LETTERS
Volume 107, Issue 11, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4931039
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Funding
- Gordon and Betty Moore Foundation EPiQS Initiative [GBMF4534]
- DOD-ARO [0402-17291]
- Department of Energy [DE-SC0012375]
- Office of Science, Office of Basic Energy Sciences of the U.S. Department of Energy [DE-AC02-05CH11231]
- DOE Office of Science by Argonne National Laboratory [DE-AC02-06CH11357]
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High-quality (001)-oriented (pseudo-cubic notation) ferromagnetic YTiO3 thin films were epitaxially synthesized in a layer-by-layer way by pulsed laser deposition. Structural, magnetic, and electronic properties were characterized by reflection-high-energy-electron-diffraction, X-ray diffraction, vibrating sample magnetometry, and element-resolved resonant soft X-ray absorption spectroscopy. To reveal ferromagnetism of the constituent titanium ions, X-ray magnetic circular dichroism spectroscopy was carried out using four detection modes probing complementary spatial scale, which overcomes a challenge of probing ferromagnetic titanium with pure Ti3+(3d(1)). Our work provides a pathway to distinguish between the roles of titanium and A-site magnetic rare-earth cations in determining the magnetism in rare-earth titanates thin films and heterostructures. (C) 2015 AIP Publishing LLC.
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