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arXiv · 1705.03121

Angular dependence of magnetization reversal in epitaxial chromium telluride thin films with perpendicular magnetic anisotropy

Tanmoy Pramanik·Anupam Roy·Rik Dey·Amritesh Rai·Samaresh Guchhait·Hema CP Movva·Cheng-Chih Hsieh·Sanjay K Banerjee
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Abstract

We investigate magnetic anisotropy and magnetization reversal mechanism in chromium telluride thin films grown by molecular beam epitaxy. We report existence of strong perpendicular anisotropy in these thin films, along with a relatively strong second order anisotropy contribution. The angular variation of the switching field observed from the magnetoresistance measurement is explained quantitatively using a one-dimensional defect model. The model reveals the relative roles of nucleation and pinning in the magnetization reversal, depending on the applied field orientation. Micromagnetic simulations are performed to visualize the domain structure and switching process.

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Tanmoy Pramanik, Anupam Roy, Rik Dey, Amritesh Rai, Samaresh Guchhait, Hema CP Movva, Cheng-Chih Hsieh, Sanjay K Banerjee. 2017-05-08. Angular dependence of magnetization reversal in epitaxial chromium telluride thin films with perpendicular magnetic anisotropy. https://doi.org/10.1016/j.jmmm.2017.04.039

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