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Formation of periodic magnetic structure by localized amorphization of crystalline Co2MnSi using femtosecond laser
- Authors
- Baek, Kwang H.; Park, Jun H.; Kim, Jung H.; Kim, Chang K.; Yoon, Chong S.; Lee, Geon Joon; Lee, Young Pak
- Issue Date
- Apr-2008
- Publisher
- AMER INST PHYSICS
- Citation
- JOURNAL OF APPLIED PHYSICS, v.103, no.7, pp.1 - 3
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF APPLIED PHYSICS
- Volume
- 103
- Number
- 7
- Start Page
- 1
- End Page
- 3
- ISSN
- 0021-8979
- Abstract
- Femtosecond laser-interference induced amorphization (FLIA) was used to form a spatially periodic magnetic structure by selectively amorphizing the surface of bulk Co2MnSi. Regularly spaced alternating lines with a periodicity of 2 mu m were produced by FLIA. Magnetic force microscopy of the samples clearly revealed one-dimensional periodic magnetic domains resulting from the modulated surface structure which was confirmed by transmission electron microscopy. The periodicity of the modulated structure can be further decreased or the process can be modified to write two-dimensional pattern so that the resulting magnetic structure can be potentially utilized for a permanent magnetic identification. (C) 2008 American Institute of Physics.
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Related Researcher
- Yoon, Chong Seung
- COLLEGE OF ENGINEERING (SCHOOL OF MATERIALS SCIENCE AND ENGINEERING)