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Structure and Magnetic Property of the FePt/CrPt Bilayer

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Abstract:

In this work we have studied the growth sequence of L10-CrPt antiferromagnetic layer effects on the microstructure and magnetic properties of the FePt/CrPt bilayer. The microstructure characteristics were investigated by means of X-ray diffraction and the magnetic properties were measured at room temperature by using a vibrating sample magnetometer. Structural analysis showed that the low-temperature ordering and the in-plane orientation of the FePt layer with the CrPt underlayer were promoted due to lattice mismatch optimized after annealing at 350°. Meanwhile, magnetic analysis also revealed that the FePt/CrPt bilayer had much larger exchange bias (H E) and higher coercivity (H c) when the CrPt layer was as the underlayer after annealing at 350°.

Keywords: EXCHANGE BIAS; FEPT/CRPT BILAYER; MAGNETIC PROPERTIES; MICROSTRUCTURE

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2012.4272

Publication date: February 1, 2012

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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