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Effect of nitrogen upon structural and magnetic properties of FePt in FePt/AlN multilayer structures

Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films, ISSN: 1520-8559, Vol: 32, Issue: 5
2014
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Article Description

This paper investigates the effect of the addition of nitrogen in FePt layers for ultrathin FePt/AlN multilayer structures. X-ray diffraction results reveal that a compressive stress relaxation occurs after annealing owing to the release of interstitial nitrogen atoms in the FePt layers. The introduction of nitrogen also induces a large in-plane compressive strain during grain growth not seen in FePt deposited without nitrogen. This strain is considered to decrease the driving force for (111) grain growth and FePt ordering. © 2014 American Vacuum Society.

Bibliographic Details

Tenghua Gao; Cong Zhang; Takumi Sannomiya; Shinji Muraishi; Yoshio Nakamura; Ji Shi

American Vacuum Society

Physics and Astronomy; Materials Science

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