@article{86039866adf34664b453c83052032c32,
title = "Direct observation of spin configuration in an exchange coupled Fe/NiO(100) system by x-ray magnetic circular- and linear- dichroism photoemission electron microscope",
abstract = "Three dimensional spin configuration in an exchange coupled Fe/NiO(100) system is investigated using a combination of photoemission electron microscopy and magnetic linear- and circular dichroism spectroscopy in the soft-x-ray range. By comparing the experimental image contrasts with a cluster model calculation including the crystal symmetry, we have successfully determined the spin configuration of the bulk antiferromagnetic NiO substrate. The easy axes of the outermost ferromagnetic Fe film and the ferromagnetic interface corresponding to the three kinds of spin axes of the antiferromagnetic NiO substrate have been assigned. We also observe that the magnetic field amplitude required for magnetization reversal depends on these initial easy axes directions. These findings are strongly related to the mechanism of exchange bias phenomena.",
author = "Kuniaki Arai and Taichi Okuda and Arata Tanaka and Keiki Fukumoto and Takahide Hasegawa and Tetsuya Nakamura and Tomohiro Matsushita and Takayuki Muro and Akito Kakizaki and Toyohiko Kinoshita",
note = "Funding Information: The experiments were performed with the approval of JASRI (Proposal Nos. 2007B2007, 2008A1726, 2008A2052). This research was partially supported by a Grant-in Aid for Scientific Research (S, 18101004) from the Japan Society for the Promotion of Science. K.A. and T.K. thank Professor K. Fukamichi and Professor C. Mitsumata for their encouragement and useful discussions. K.A. also thanks Professor H. Matsuyama for his stimulating comments. Copyright: Copyright 2011 Elsevier B.V., All rights reserved.",
year = "2011",
month = oct,
day = "15",
doi = "10.1063/1.3647776",
language = "English",
volume = "110",
journal = "Journal of Applied Physics",
issn = "0021-8979",
publisher = "American Institute of Physics Publising LLC",
number = "8",
}