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Title: Exchange coupling and coercivity enhancement in cuprate/manganite bilayers
Authors: Wu, Tom
Ding, J. F.
Tian, Y. F.
Hu, W. J.
Lin, W. N.
Keywords: DRNTU::Science::Physics::Electricity and magnetism
Issue Date: 2013
Source: Ding, J. F., Tian, Y. F., Hu, W. J., Lin, W. N., & Wu, T. (2013). Exchange coupling and coercivity enhancement in cuprate/manganite bilayers. Applied Physics Letters, 102(3).
Series/Report no.: Applied physics letters
Abstract: We report on the magnetic properties of cuprate/manganite bilayers composed of antiferromagnetic (AFM) La2CuO4 and ferromagnetic La0.70Sr0.30MnO3. The temperature dependent magnetization data indicate an interfacial spin-glass state. Furthermore, the bilayer exhibits significant enhancement of coercivity compared to the La0.70Sr0.30MnO3 single layer and reaches 705 Oe at 5 K. The dependence of coercivity on the AFM layer thickness indicates that the enhancement cannot be explained by the interfacial charge diffusion. Our results suggest that the exchange coupling between Mn and Cu spins and the magnetic frustration at the La2CuO4/La0.70Sr0.30MnO3 interface must be considered to harness the properties of cuprate/manganite heterostructures.
ISSN: 0003-6951
DOI: 10.1063/1.4788719
Rights: © 2013 American Institute of Physics. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The paper can be found at the following official DOI: [].  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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