Observation of the Magnetic Domain Structure in Cu0.47Ni0.53 Thin Films at Low Temperatures

被引：29

作者：

Veshchunov, I. S. ^{[1
]}

Oboznov, V. A. ^{[1
]}

Rossolenko, A. N. ^{[1
]}

Prokofiev, A. S. ^{[1
]}

Vinnikov, L. Ya. ^{[1
]}

Rusanov, A. Yu. ^{[1
]}

Matveev, D. V. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Moscow Region, Russia

来源：

JETP LETTERS | 2008年 / 88卷 / 11期

关键词：

D O I：

10.1134/S0021364008230124

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report on the first experimental visualization of domain structure in films of weakly ferromagnetic Cu0.47Ni0.53 alloy with different thickness at liquid helium temperatures. Improved high-resolution Bitter decoration technique was used to map the magnetic contrast on the surface of the films well below the Curie temperature T-Curie (similar to 60 K). In contrast to magnetic force microscopy, this technique allowed visualization of the domain structure without its disturbance while the larger areas of the sample were probed. Maze-like domain patterns, typical for perpendicular magnetic anisotropy, were observed. The average domain width was found to be about 100 nm.

引用

页码：758 / 761

页数：4

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