• DocumentCode
    789355
  • Title

    Structure and magnetic properties of quenched (MnxAl1-x)3O4 spinels and Hausmannites

  • Author

    Nakamura, Yuichiro ; Smith, Paul A. ; Laughlin, David E. ; De Graef, Marc ; McHenry, Michael E.

  • Author_Institution
    Dept. of Mater. Sci. & Eng., Carnegie Mellon Univ., Pittsburgh, PA, USA
  • Volume
    31
  • Issue
    6
  • fYear
    1995
  • fDate
    11/1/1995 12:00:00 AM
  • Firstpage
    4154
  • Lastpage
    4156
  • Abstract
    Manganese aluminate spinels and Hausmannites, namely (Mnx Al1-x)3O4, with compositions varying between x=0.33 and x=1.00 have been synthesized by sintering of MnO and Al2O3 mixtures. Lattice parameters of these spinels and Hausmannites increase linearly with increasing Mn content and depend on neither sintering temperature nor cooling rate. Magnetic hysteresis loops at 5 K show non-saturating features up to 5 T. Ferrimagnetic Curie temperatures of spinels and Hausmannites both increase monotonically with increasing Mn content
  • Keywords
    Curie temperature; aluminium compounds; exchange interactions (electron); ferrimagnetic materials; lattice constants; magnetic hysteresis; magnetic structure; manganese compounds; stoichiometry; (MnxAl1-x)3O4; (MnAl)3O4; 5 K; Hausmannites; Mn content; cooling rate; ferrimagnetic Curie temperature; lattice parameters; magnetic hysteresis loops; sintering; sintering temperature; spin arrangement; spinels; Chemical analysis; Cooling; Land surface temperature; Magnetic hysteresis; Magnetic properties; Manganese; Powders; Saturation magnetization; Temperature dependence; X-ray diffraction;
  • fLanguage
    English
  • Journal_Title
    Magnetics, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0018-9464
  • Type

    jour

  • DOI
    10.1109/20.489891
  • Filename
    489891
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=789355