4.6 Article

Magnetic anisotropy of La2Co7

Journal

JOURNAL OF APPLIED PHYSICS
Volume 118, Issue 5, Pages -

Publisher

AMER INST PHYSICS
DOI: 10.1063/1.4927849

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Funding

  1. Swedish Research Council
  2. REFREEPERMAG Project
  3. National Science Centre Poland [DEC-2014/15/B/ST8/00088]
  4. German Federal State of Hessen through its excellence programme LOEWE RESPONSE
  5. FP7 program [309729]

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A magnetization study of a La2Co7 single crystal has obtained the following anisotropy constants: K-1 = 1.4 MJ/m(3) and K-2 = 0.02 MJ/m(3) (at room temperature). The corresponding anisotropy field is 6.7 T; an earlier report of a much higher value (17 T) has not been confirmed. A significant (10%) magnetization anisotropy has been observed. Density-functional calculations are in qualitative agreement with the new data. (C) 2015 AIP Publishing LLC.

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