Magnetic surface patterns made by non-destructive laser interference
magnetic surface pattern
laser beam applications
magnetic force microscopy
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AbstractThis paper presents a method to make magnetic surface patterns by non-destructive laser interference, and periodic magnetic fringes produced on magnetic material surfaces are investigated by magnetic force microscopy (MFM). Various thermal effects are obtained by two beam laser interference with different exposure times and pulse energies. The experimental results have shown that magnetic patterns can be made on magnetic materials by laser interference without any damage to the surfaces. The method provides a way for the rapid producing of magnetic marks or recording magnetic data in a large area on a magnetic material surface, and it could be useful for biological, material, optical, electronic and information engineering applications.
CitationYu, H., Wang, Z., Song, J., Li, D., Yue, Y., Maple, C., 'Magnetic surface patterns made by non-destructive laser interference,' Manipulation, Manufacturing and Measurement on the Nanoscale (3M-NANO), 2013 International Conference on. Suzhou, China, 26-30 August.
TypeConference papers, meetings and proceedings
SponsorsThis work was supported by National Key Basic Research Program of China (973 Program No. 2012CB326400 and No.2012CB326406), Special Development Program of Central Financial Support to Local Universities (No.2011-183), EU FP7 (LaserNaMi No.247644; ECNANOMAN No.269219), International Science and Technology Cooperation Program of China (No.2012DFA11070), National Natural Science Foundation Program of China (No.60940035 and No.61176002), Doctoral Program of Higher Education of China (No.20112216110002), Jilin Provincial Science and Technology Program (No.201115157, No.20090401 and No.20110704), Guangdong Science and Technology Program (No.2009B091300006 and No.2011B010700101), Science and Technology Program of Changchun City (No.09GH07 and No.11KP04), and Program of Changchun University of Science and Technology (No.129666 and No.XJJLG201101).