Interfacial magnetic coupling in ultrathin all-manganite La0.7Sr0.3MnO3-TbMnO3 superlattices
作者： Y. F. Tian , O. I. Lebedev , V. V. Roddatis , W. N. Lin , J. F. Ding
DOI: 10.1063/1.4871701
关键词: Condensed matter physics 、 Coercivity 、 Hysteresis 、 Magnetic hysteresis 、 Spontaneous magnetization 、 Materials science 、 Ferromagnetism 、 Manganite 、 Exchange bias 、 Magnetization 、 Physics and Astronomy (miscellaneous)
摘要: We report the growth and magnetic properties of all-manganite superlattices composed ultrathin double-exchange ferromagnetic La0.7Sr0.3MnO3 noncollinear multiferroic TbMnO3 layers. Spontaneous magnetization hysteresis loops are observed in such with individual layers as thin two unit cells, which accompanied by pronounced exchange bias enhanced coercivity. Our results indicate substantial interfacial coupling between spin sublattices superlattices, providing a powerful approach towards tailoring artificial heterostructures.
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