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Diffracted magneto-optical Kerr effect in one-dimensional magnetic gratings
- Kim, Jin Bae;
- Lu, Yue Hui;
- Cho, Min Hyung;
- Lee, Geon Joon;
- Lee, Young Pak;
- ... Yoon, Chong Seung;
- 외 1명
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One-dimensional Co2MnSi magnetic gratings were fabricated with a significant ease by using the interference pattern of two femtosecond-laser beams which resulted in a selective-area annealing of the as-deposited Co2MnSi film. The longitudinal Kerr rotation of the negative first-order diffracted beam was nearly 30 times larger than that of the zeroth-order one in a sample fabricated with the optimal conditions. The enhancement strongly depends on the grating depth, which varies with the number of laser shots, confirming the theoretical result that the magneto-optical Kerr-effect enhancement is reduced as the grating depth increases.
키워드
annealing; cobalt alloys; diffraction gratings; high-speed optical techniques; Kerr magneto-optical effect; laser materials processing; magnetic thin films; photonic crystals; Kerr magnetooptical effect; Magnetic field effects; Magnetos; Manganese compounds; Optical Kerr effect; Diffracted beams; Femtosecond; First orders; Grating depths; Interference patterns; Kerr rotations; Laser shots; Magnetic gratings; Magneto-optical; Magneto-optical kerr effects; MnSi films; One-dimensional; Optimal conditions; Theoretical results
- 제목
- Diffracted magneto-optical Kerr effect in one-dimensional magnetic gratings
- 저자
- Kim, Jin Bae; Lu, Yue Hui; Cho, Min Hyung; Lee, Geon Joon; Lee, Young Pak; Rhee, Joo Yull; Yoon, Chong Seung
- 발행일
- 2009-04
- 유형
- Article
- 권
- 94
- 호
- 15
- 페이지
- 1 ~ 3