DOMAIN IMAGING OF MESOSCOPIC MAGNETIC STRUCTURES BY PHOTOELECTRON EMISSION MICROSCOPY

H. Kiwata, T. Kihara, K. Ono (), M. Oshima, T. Okuda, A. Harasawa, T. Kinoshita and A. Yokoo
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H. Kiwata: Graduate School of Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
T. Kihara: Graduate School of Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
K. Ono: Graduate School of Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
M. Oshima: Graduate School of Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
T. Okuda: Institute of Solid State Physics, University of Tokyo, 5-1-5 Kashiwa no ha, Kashiwa 277-8581, Japan
A. Harasawa: Institute of Solid State Physics, University of Tokyo, 5-1-5 Kashiwa no ha, Kashiwa 277-8581, Japan
T. Kinoshita: Institute of Solid State Physics, University of Tokyo, 5-1-5 Kashiwa no ha, Kashiwa 277-8581, Japan
A. Yokoo: NTT Basic Research Laboratories, 3-1 Morinosato Wakamiya, Atsugi-shi, Kanagawa 243-0918, Japan

Surface Review and Letters (SRL), 2002, vol. 09, issue 01, 365-369

Abstract: We have observed magnetic domains of mesoscopic magnetic structures of Ni by synchrotron radiation photoelectron emission microscopy using circularly polarized soft X-rays from the bending magnet. The mesoscopic magnetic structures of Ni were fabricated by electron beam lithography combined with a chemical liftoff process. The geometries of the Ni mesoscopic samples were square, triangular and hexagonal with the sizes of 5 and 10 μm. The magnetic domains structures were clearly observed by dividing the images measured at the NiL3-edge by the images measured at the NiL2-edge. The magnetic domains of the Ni mesoscopic structures are discussed with the results of magnetic force microscopy and micromagnetic simulation.

Date: 2002
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DOI: 10.1142/S0218625X02002336

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