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(Color online) X-ray diffraction pattern of Fe trilayer. Solid lines are the fit to the Laue function according to Eq. (1). The inset shows small angle x-ray reflection data (circles) and the best fit (line) by using LEPTOS-2 program.
(Color online) (a) Representative hysteresis loops at after subjecting the trilayer to various dc fields. The inset shows a loop at and . (b) and vs . Lines are guide to the eye.
(Color online) (a) Room temperature training cycles after subjecting the trilayer to indicating the absence of any training effect. (b) Two consecutive loops measured after subjecting the trilayer to (cirlces) and (squares), respectively.
(Color online) (a) Regular training effect at after field cooled from in . The inset shows vs measured at . (b) (open squares) and (circles) vs loop number, . The solid symbols are the best fit of Eq. (2) to the training data. Lines are guide to the eye.
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