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Shinya Senba,Naoki Matsumoto,Mitsuhiro Jomura,Hironori Asada,Tsuyoshi Koyanagi,Kengo Kishimoto,Yasuhiro Fukuma 한국물리학회 2013 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.62 No.12
We have successfully grown EuS (111) epitaxial films on BaF2 (111) and SrF2 (111) substratesby using molecular beam epitaxy at substrate temperatures (TS’s) between 100 and 500 C. Polefigures of X-ray diffraction indicate a high degree of in-plane orientation, and all of the samplesshowvery high resistivity. The surface roughness for 10-nm-thick EuS films on BaF2 (111) and SrF2 (111)substrates measured by using atomic force microscopy (AFM) are 0.122 and 0.092 nm, respectively. The Curie temperature of the EuS films increases up to 16 K with increasing TS. We also try tomanipulate the coercive force, which is an important magnetic property, by Te-doping to achieve ananti-parallel magnetization state between two ferromagnetic layers in spin devices. The obtainedcoercive force for the Te-doped film (110 Oe) is large compared with that for the undoped one (20Oe).
Ryuji Nagata,Shun Sato,Aldrine Kilua,Naoki Fukuma,Yasunori Nakayama,Eiichi Kitazono,Toshiaki Aoyama,Kyu Ho Han,Michihiro Fukushima 한국식품과학회 2021 Food Science and Biotechnology Vol.30 No.11
BARLEYmax, a barley variety, and cocoapolyphenols (CPPs) have been reported to affect bacterialmetabolites in the colon. This study aimed to evaluate thecombined effects of BARLEYmax and CPPs supplementationon fecal microbiota in vitro using pig feces for 48 h. The relative abundances of the family Clostridiaceae andthe genus Clostridium and ammonia–nitrogen productionwere decreased by both BARLEYmax and CPP supplementation,and there was a positive correlation betweentheir abundances and the ammonia–nitrogen concentration. Although acetate and n-butyrate production was decreasedby CPP supplementation, their concentrations were maintainedat a higher level in the BARLEYmax ? CPP groupthan in the cellulose (control) and cellulose ? CPP groups. Therefore, this study demonstrated that a combination ofBARLEYmax and CPPs may be beneficial in maintaininghigher short-chain fatty acid production and the eliminationof potentially harmful factors.