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雨宮 健太*; 酒巻 真粧子*; 水沢 まり*; 武田 全康
JPS Conference Proceedings (Internet), 8, p.034004_1 - 034004_6, 2015/09
The canted magnetic moment around the interface between ferromagnetic Ni and antiferromagnetic FeMn films is observed, and its dependence on the in-plane magnetic field is revealed by means of the polarized neutron reflectivity. The Ni magnetic moment at the interface to the FeMn film is suggested to be canted to the in-plane direction, while that in the inner Ni layers remains rather perpendicular to the film at weak magnetic fields. The interface moment easily rotates to the in-plane direction as increasing the magnetic field, and finally the inner layer moment also aligns in the in-plane direction at higher magnetic fields.
-iodobiphenyl molecular crystal on GeS(001)隅井 良平*; 酒巻 真粧子*; 松本 吉弘; 雨宮 健太*; 金井 要*; 関 一彦*
Surface Science, 604(13-14), p.1100 - 1104, 2010/07
被引用回数：3 パーセンタイル：17.17(Chemistry, Physical)The electronic and atomic structures of 4-cyano-4-iodobiphenyl (CIB) during the growth of a molecular crystal on a GeS(001) substrate were studied by ultraviolet photoemission spectroscopy (UPS), atomic force microscopy (AFM), and extended X-ray absorption fine structure (EXAFS) spectroscopy. AFM images suggest that the CIB molecule grows as a microcrystal at a nominal thickness of 80
. The microcrystal grows with the crystal plane parallel to the surface and isotropic crystal axis orientation. EXAFS analysis suggests that a CIB crystal forms by strong N-I interaction, called halogen bonding. The formation of the intermolecular N-I bond was demonstrated by EXAFS analyses in which the N-I distance was determined to be 3.29. An upward shift of the highest occupied molecular orbital level was observed by UPS and can be attributed to the aggregation of CIB molecules caused by halogen bonding.
