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Author (up) Steren, L.B.; Sirena, M.; Guimpel, J. openurl 
  Title Magnetic ordered phase in La0.6Sr0.4MnO3 ferromagnets Type Journal Article
  Year 2002 Publication PHYSICAL REVIEW B Abbreviated Journal  
  Volume 65 Issue 9 Pages  
  Keywords  
  Abstract The ferromagnetic phase of La0.6Sr0.4MnO3 thin films has been investigated through measurements of magnetization loops at different temperatures, zero-field-cooled and field-cooled magnetization curves obtained under different magnetic fields. We have found that the main sources of the “bulk” coercivity in manganite films are the film/substrate interface and film surface. The temperature dependence of the coercivity is described by a “strong domain-wall pinning” model, independently of the thickness and substrate. The magnetization-vs-temperature curves, measured under different magnetic fields (10 Oe<H<2.5 kOe), have been explained in terms of the magnetic hysteresis of the films. We find no evidence of glass states or of the existence of single-domain clusters, as suggested by other authors.  
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  Series Volume Series Issue Edition  
  ISSN 1098-0121 ISBN Medium  
  Area Expedition Conference  
  Notes ISI:000174547900096 Approved no  
  Call Number BT @ hernan @ Serial 172  
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