Abstract

We fabricate epitaxial terbium iron garnet (Tb 3Fe 5O 12, TbIG) thin films on (110) gadolinium gallium garnet (Gd 3Ga 5O 12, GGG) substrates using a pulsed laser deposition technique. High quality (110) oriented epitaxial growth of TbIG thin films has been revealed by θ–2 θ scans, φ-scans, rocking curves ( ω-scans), and reciprocal space mapping in high resolution X-ray diffraction. Magnetic and magneto-optic hysteresis loops, however, demonstrate that the easy axis of magnetization in these films is out-of-plane, i.e. along [110] instead of [1–11] direction, as sharp contrast to bulk.

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