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Quantifying interlayer exchange coupling via layer-resolved hysteresis loops in antiferromagnetically coupled manganite/nickelate superlattices
- Authors
- Park, Jihwey; Lee, Dong Ryeol; Choi, Yongseong; Freeland, John W.; Lee, Ki Bong; Sihna, Sunil K.; Nikolaev, K. R.; Goldman, Allen M.
- Issue Date
- 7-Sep-2009
- Publisher
- AMER INST PHYSICS
- Keywords
- barium compounds; exchange interactions (electron); ferromagnetic materials; lanthanum compounds; magnetic hysteresis; magnetic multilayers; paramagnetic materials; X-ray scattering
- Citation
- APPLIED PHYSICS LETTERS, v.95, no.10
- Journal Title
- APPLIED PHYSICS LETTERS
- Volume
- 95
- Number
- 10
- ISSN
- 0003-6951
- Abstract
- In superlattices made of a half metallic ferromagnet La2/3Ba1/3MnO3(LBMO) and a metallic paramagnet LaNiO3(LNO), the field dependence of the LBMO magnetization was studied using depth- and element-sensitive x-ray resonant magnetic scattering measurements. The superlattices have ten bilayers of LBMO and LNO, and the LBMO layers were antiferromagnetically coupled across LNO spacer layers. From the x-ray measurements, the magnetic hysteresis loop of each LBMO layer was obtained, and subsequently the obtained layer-resolved LBMO hysteresis loops were utilized to determine the interlayer exchange coupling.
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Related Researcher
- Lee, Dong Ryeol
- College of Natural Sciences (Department of Physics)