Spatially periodic magnetic structure produced by femtosecond laser-interference crystallization of amorphous Co2MnSi thin film
- Authors
- Kim, Jung H.; Kim, Jeon; Lim, Sang U.; Kim, Chang K.; Yoon, Chong Seung; Lee, Geon Joon; Lee, Young Pak
- Issue Date
- Apr-2006
- Publisher
- AMER INST PHYSICS
- Citation
- JOURNAL OF APPLIED PHYSICS, v.99, no.8, pp.1 - 3
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF APPLIED PHYSICS
- Volume
- 99
- Number
- 8
- Start Page
- 1
- End Page
- 3
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/181600
- DOI
- 10.1063/1.2172196
- ISSN
- 0021-8979
- Abstract
- Femtosecond laser-interference crystallization (FLIC) was used to form a spatially periodic magnetic structure by selectively crystallizing a paramagnetic amorphous Co2MnSi thin film. Regularly spaced alternating lines of polycrystalline and microcrystalline regions with a periodicity of 2 mu m were produced by FLIC. The crystalline region composed of similar to 100-nm-sized grains contained a nonequilibrium ferromagnetic phase intermixed with beta-Mn. The areas between the crystallized lines also received sufficient energy, crystallizing into a microcrystalline state with its grain size ranging from 1 to 5 nm. The magnetic force microscopy of the samples clearly revealed the one-dimensional periodic magnetic domains resulting from the modulated microstructure.
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