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K. WANG1,* , K. N. MARTIN1, C. MORRISON1, R. C. C. WARD2, P. A. J. DE GROOT1
Large-area-micron-sized striped arrays of epitaxial (110) YFe2 single crystal films are fabricated by photolithography. Bragg magneto-optical Kerr effect (MOKE) measurement is performed to investigate the reversal property of the arrays. Various different shapes of MO Kerr loops with a rich set of additional features are revealed, correlated with an induced shape demagnetizing effect and an intrinsic magnetic switching behavior. In the diffracted loops, the intrinsic switching behavior signifying the domain movement in the vicinity of the coercivity can be replicated or even amplified when the applied field is parallel to the stripes. In particular, when the field is applied perpendicular to the edge of stripes, before a field-aligned saturated state a two-step procedure involving coherent rotation from the center and subsequent magnetization rotation from the edges of the stripes can be clearly distinguished.
Bragg magneto-optical measurement, Lithography, Epitaxial Laves phase films, Magnetic anisotropy.
K. WANG, K. N. MARTIN, C. MORRISON, R. C. C. WARD, P. A. J. DE GROOT, Bragg magneto-optical investigation on lithographically defined stripe-arrays in epitaxially grown (110) YFe2 films, Optoelectronics and Advanced Materials - Rapid Communications, 1, 1, January 2007, pp.1-4 (2007).
Submitted at: Nov. 28, 2006
Accepted at: Jan. 12, 2007
Optoelectronics and Advanced Materials - Rapid Communications
(2025): Impact Factor = 0.5 - Journal Citation Reports (Clarivate Analytics, 2026)
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