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http://www.epcos.org/library/papers/pdf_2010/Posters/PA10-Saiki.pdf
Nanoscale writing and erasing of amorphous marks in a GeSbTe thin film with a gold nanoparticle by femtosecond laser irradiation
Takashi Hira and Toshiharu Saiki
Department of Electronics and Electrical Engineering, Keio University