title: Magnetic behavior in an ordered Co nanorod array.
abstract: The magnetization reversal process of an ordered Co nanorod array is shown using the images obtained from successive in-field magnetic force microscope (MFM) measurements. The magnetization reversal model is discussed according to local and whole magnetization reversal properties measured by the polar magneto-optical Kerr effect (PMOKE) and an alternating gradient magnetometer (AGM), respectively. Additionally, the dipolar field was probed using in-field MFM measurements. By removing the effect of the dipolar field, an intrinsic switching field distribution (SFD) is shown in a map with a hexagonal array. A detailed study of the dipolar field in ordered nanorod arrays with various diameters and pitches was carried out by numerical calculations.
authors.affiliation: VBL of Akita University, Gakuen Machi 1-1, Tegata, Akita 010-8502, Japan. Institute of Applied Magnetics, Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education, Lanzhou University, Lanzhou 730000, People's Republic of China.
authors.forename: T
authors.initials: T
authors.lastname: Wang
authors.forename: Y
authors.initials: Y
authors.lastname: Wang
authors.forename: Y
authors.initials: Y
authors.lastname: Fu
authors.forename: T
authors.initials: T
authors.lastname: Hasegawa
authors.forename: H
authors.initials: H
authors.lastname: Oshima
authors.forename: K
authors.initials: K
authors.lastname: Itoh
authors.forename: K
authors.initials: K
authors.lastname: Nishio
authors.forename: H
authors.initials: H
authors.lastname: Masuda
authors.forename: F S
authors.initials: FS
authors.lastname: Li
authors.forename: H
authors.initials: H
authors.lastname: Saito
authors.forename: S
authors.initials: S
authors.lastname: Ishio