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Author (up) Gomez, M.E.; Campillo, G.; Ramirez, J.G.; Prieto, P.; Hoffmann, A.; Guimpel, J.; Haberkorn, N.; Condo, A.; Lovey, F. openurl 
  Title Magnetotransport properties in epitaxial exchange-biased La2/3Ca1/3MnO3/La1/3Ca2/3MnO3 superlattices Type Journal Article
  Year 2006 Publication IEEE Transactions on Magnetics Abbreviated Journal IEEE Trans. Magn.  
  Volume 42 Issue 10 Pages 2981-2983  
  Abstract Superlattices of ferromagnetic (F) and antiferromagnetic (AF) oxide materials have attracted increased attention given the exchange bias or exchange anistropy phenomenon. Research on magnetic oxide superlattices has focused toward the technological goals of increasing magnetores stance in lower applied magnetic fields and more useful temperature ranges for various applications. Superlattices of F-LCMO and AF-LCMO layers were grown on (001)-oriented SrTiO3 substrates. We studied the temperature dependence of magnetotransport properties for a series of [AF-LCMO (7.6 nm)/F-LCMO (t(F))](N) superlattices as a function of the ferromagnetically doped layer thickness, t(F), while the antiferromagnetic (AF) layer thickness, t(AF), was kept constant. Magnetotransport measurements at different temperatures were done on a series of [AF(7.6 nm)IF(t(F))](N) superlattices. The ZFC resistance has a maximum at negative fields, for all multilayers, with descending fields (from 1 to -1 kOe). In all samples a shift along the field axis of the FC loop with respect to that of the ZFC loop is observed. The H-ex values determined from these displacements of the FC loops of the magnetoresistance loops increase when temperature decreases and its magnitude also depends on the ferromagnetic layer thickness.  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0018-9464 ISBN Medium  
  Area Expedition Conference  
  Notes ISI:000240888700241 Approved no  
  Call Number BT @ hernan @ Serial 153  
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