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Author (up) Haberkorn, N.; Guimpel, J. openurl 
  Title Tuning of the metal-insulator transition in La0.75Sr0.25MnO3/PrBa2Cu3O7-delta superlattices Type Journal Article
  Year 2005 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 87 Issue 4 Pages  
  Abstract We have investigated the magnetotransport and magnetic properties of La0.75Sr0.25MnO3/PrBa2Cu3O7-delta superlattices. Magnetic hysteresis loops show the expected ferromagnetic behavior, although the saturation magnetization is smaller than the expected value based on nominal layer thickness. We find that the electric transport on the superlattices can be qualitatively described using a simple layers-in-parallel model. We also find that the temperature at which the peak of the resistivity curve is located, and in consequence the temperature at which the maximum of the magnetoresistance curve are observed, are a function of layer thickness. The superlattices show an appreciable magnetoresistance for low temperatures, which may be consequence of a spin canted or weak antiferromagnetic manganite phase stabilized at the interfaces. (c) 2005 American Institute of Physics.  
  Corporate Author Thesis  
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  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0003-6951 ISBN Medium  
  Area Expedition Conference  
  Notes ISI:000230725900043 Approved no  
  Call Number BT @ hernan @ Serial 157  
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