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Anomalous Temperature Dependence of Magnetic Anisotropy in Gradient-Composition Sputterred Thin Films

  1. Nguyen N. Phuoc1,*,
  2. C. K. Ong2

Article first published online: 2 NOV 2012

DOI: 10.1002/adma.201203995

Issue

Advanced Materials

Advanced Materials

Volume 25, Issue 7, pages 980–984, February 20, 2013

Additional Information

How to Cite

Phuoc, N. N. and Ong, C. K. (2013), Anomalous Temperature Dependence of Magnetic Anisotropy in Gradient-Composition Sputterred Thin Films. Adv. Mater., 25: 980–984. doi: 10.1002/adma.201203995

Author Information

  1. 1

    Temasek Laboratories, National University of Singapore, 5A Engineering Drive 2, Singapore 117411, Singapore

  2. 2

    Center for Superconducting and Magnetic Materials, Department of Physics, National University of Singapore, 2 Science Drive3, Singapore 117542, Singapore

*Temasek Laboratories, National University of Singapore, 5A Engineering Drive 2, Singapore 117411, Singapore.

Publication History

  1. Issue published online: 14 FEB 2013
  2. Article first published online: 2 NOV 2012
  3. Manuscript Received: 24 SEP 2012

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Keywords:

  • thermal stability;
  • magnetic anisotropy;
  • ferromagnetic resonance frequency
Thumbnail image of graphical abstract

An abnormal behavior of increasing magnetic anisotropy with temperature in magnetic thin films fabricated by a gradient-composition sputtering technique is observed and consistently confirmed by two independent measurements of static magnetic hysteresis loops and dynamic magnetic permeability spectra. This peculiar behavior is suggested to be due to the physical origin of stress-induced magnetic anisotropy.

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