"N. Matsushita,S. Nakagawa,M. Naoe","Extremely Thin Barium Ferrite Layers with Excellent c-axis Orientation and High Coercivity",,"Proc. of the 8th International Conference on Ferrites (ICF8)",,,,"pp. 1041-1043",2001,
"J. Feng,N. Funabashi,N. Matsushita,S. Nakagawa,M. Naoe","BaM/Pt and BaM/Pt-Ta Bilayer Disks for Perpendicular Magnetic Recording",,"Proc. of the 8th International Conference on Ferrites (ICF8)",,,,"pp. 1038-1040",2001,
"N. Funabashi,J. Feng,N. Matsushita,S. Nakagawa,M. Naoe","High Coercivity and Large Squareness of Ba Ferrite Films by Adding SiO<sub>2</sub> and Substituting Al for Fe",,"Proc. of the 8th International Conference on Ferrites (ICF8)",,,,"pp. 1035-1037",2001,
"船橋伸彦,馮　潔,松下伸広,中川茂樹,直江正彦","Pt下地層改良によるBaMフェライト薄膜の微粒子化",,"日本応用磁気学会誌",,"Vol. 25","No. 4-2","pp. 547-550",2001,
"佐藤　厚,中川茂樹,直江正彦","Co-Cr-Ta/Pt/Ti垂直記録膜の作製とPt中間層による微細粒子化",,"日本応用磁気学会誌",,"Vol. 25","No. 4-2","pp. 543-546",2001,
"斉藤弘幸,清水　優,中川茂樹,直江正彦","Si 下地層上のCo/Cu多層膜の結晶性とGMR特性",,"日本応用磁気学会誌",,"Vol. 25","No. 4-2","pp. 803-806",2001,
"佐々木一郎,佐藤　厚,中川茂樹,直江正彦","異常Hall効果を用いた垂直記録媒体の磁化過程観測",,"日本応用磁気学会誌",,"Vol. 25","No. 4-2","pp. 599-602",2001,
"S. Saito,T. Murakoso,N. Matsushita,S. Nakagawa,M. Naoe","Low Transition Noise Level of Co-Fe Ferrite with Pt Interlayer",,"Proc. of the 8th International Conference on Ferrites (ICF8)",,,,"pp. 1076-1078",2001,
"S. Nakagawa,N. Matsushita,M. Naoe","Ultra-high density recording characteristics of as-deposited ferrite thin film disks without post-annealing process and protective layers",,"Proc. of the 8th International Conference on Ferrites (ICF8)",,,,"pp. 1027-1031",2001,
"S. Nakagawa,N. Funabashi,J. Feng,M. Naoe","Fabrication and  Recording Characteristics of Sputter-Deposited Ba-Ferrite Thin Films Deposited on Pt-Ta Underlayers for Perpendicular Magnetic Recording Media",,"IEICE Trans. on Electronics",,"Vol. E84-C","No. 9","pp. 1137-1141",2001,
"N. Matsushita,J. Feng,N. Funabashi,S. Nakagawa,M. Naoe","BaM/Pt multilayered films with fine grains and large perpendicular magnetic anisotropy for high density recording media",,"J. Appl. Phys.",,"Vol. 89","No. 11","pp. 6837-6839",2001,
"S. Nakagawa,N. Matsushita,M. Naoe","Perpendicular Magnetic Recording Media Using Hexagonal Ferrite Thin films Deposited on Pt Underlayers and Interlayers",,"J. Magn. Magn. Mater.",,"Vol. 235",,"pp. 337-341",2001,