Electrical and magnetic properties of (SrMn O3)n (LaMn O3)2n superlattices

C. Adamo, X. Ke, P. Schiffer, A. Soukiassian, M. Warusawithana, L. Maritato, D. G. Schlom

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We report the magnetic and transport properties of [(SrMn O3)n (LaMn O3)2n] m superlattices grown by molecular-beam epitaxy on (100) SrTi O3 with periodicities n=1, 2, 3, 4, 5, 6, 8, and 16. Although the superlattice constituents, LaMn O3 and SrMn O3, are both antiferromagnetic insulators, for small n (n≤2) the superlattices behave like the ferromagnetic conductor La0.67 Sr0.33 Mn O3. As n increases, the magnetic properties become dominated by the LaMn O3 layers, but the electronic transport properties continue to be controlled by the interfaces.

Original languageEnglish (US)
Article number112508
JournalApplied Physics Letters
Issue number11
StatePublished - 2008
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)


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