Magnetic properties of a two-dimensional spatially ordered array of nickel nanowires

被引：11
|
作者：
Grigoriev, S. V. [1 ]
Chumakov, A. P. [1 ]
Syromyatnikov, A. V. [1 ]
Grigorieva, N. A. [2 ]
Okorokova, A. I. [1 ]
Napol'skii, K. S. [3 ]
Roslyakov, I. V. [3 ]
Eliseev, A. A. [3 ]
Lukashin, A. V. [3 ]
Eckerlebe, H. [4 ]
机构：
[1] Russian Acad Sci, Konstantinov Petersburg Nucl Phys Inst, Gatchina 188300, Leningradskaya, Russia
[2] St Petersburg State Univ, Dept Solid State Phys, St Petersburg 198504, Russia
[3] Moscow MV Lomonosov State Univ, Fac Mat Sci, Moscow 119992, Russia
[4] GKSS Forschungszentrum Geesthacht GmbH, GKSS Forschungszentrum, D-21502 Geesthacht, Germany
来源：
PHYSICS OF THE SOLID STATE | 2010年 / 52卷 / 05期
关键词：
ALUMINA; NUCLEATION;
D O I：
10.1134/S1063783410050392
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The structural and magnetic characteristics of two-dimensional spatially ordered arrays of magnetic nickel nanowires embedded in the anodized alumina template have been investigated. It has been shown using small-angle polarized-neutron diffraction that, there exists the samples under investigation, in a highly ordered hexagonal structure of pores and magnetic nanowires separated by a characteristic distance d = 106 +/- 2 nm. An analysis has been made of different contributions to neutron scattering, such as the nonmagnetic (nuclear) contribution, the magnetic contribution dependent on the magnetic field, and the interference contribution indicating a correlation between the magnetic and nuclear structures. The performed analysis of the results obtained has demonstrated that, when the magnetic field is applied perpendicular to the longitudinal axis of the nanowire in a completely magnetized sample, there arise demagnetizing fields around each nanowire that form a regular hexagonal lattice.
引用
收藏
页码：1080 / 1086
页数：7
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