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Oral presentation

Polarized neutron diffractometry of Fe$${}_{16}$$N$${}_{2}$$ nanoparticles

Tamai, Yuta; Ishii, Yuya*; Hagiya, Hiroyuki; Kikuchi, Takayuki*; Yokoyama, Makoto*; Nishihara, Yoshikazu*; Takeda, Masayasu; Kakurai, Kazuhisa; Oku, Takayuki; Shinohara, Takenao; et al.

no journal, , 

Magnetic recording tape is widely used for a massive data storage with high reliability, and further increase of capacity, the recording density, is requested by IT organizations. The needle-shaped ferromagnetic metals has been used for the recording media. However, it is necessary to make the media a small and spherical shape to increase the recording density. We have performed the polarized neutron diffraction measurements of Fe$$_{16}$$N$$_{2}$$ round-shape nanoparticles, and determined the saturation magnetic moments and averaged core size of Fe$$_{16}$$N$$_{2}$$ nanoparticles covered by a laminate layer.

Oral presentation

A Polarized SANS study of spherical Fe-N nanoperticles for magnetic recording tape, 3

Hagiya, Hiroyuki; Oku, Takayuki; Kira, Hiroshi; Shinohara, Takenao; Suzuki, Junichi; Takeda, Masayasu; Tamai, Yuta; Kakurai, Kazuhisa; Sasaki, Yuji*; Kishimoto, Mikio*; et al.

no journal, , 

no abstracts in English

Oral presentation

A SANS study on perpendicular magnetic recording hard disk media

Hagiya, Hiroyuki; Oku, Takayuki; Kira, Hiroshi; Shinohara, Takenao; Suzuki, Junichi; Takeda, Masayasu; Kakurai, Kazuhisa; Yokoyama, Makoto*; Nishihara, Yoshikazu*; Oba, Yojiro*; et al.

no journal, , 

no abstracts in English

Oral presentation

Quantitative evaluation of magnetic cluster size in perpendicular magnetic recording media

Hagiya, Hiroyuki; Oku, Takayuki; Kira, Hiroshi; Shinohara, Takenao; Suzuki, Junichi; Kakurai, Kazuhisa; Yokoyama, Makoto*; Nishihara, Yoshikazu*; Mamiya, Hiroaki*; Oba, Yojiro*; et al.

no journal, , 

no abstracts in English

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