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Direct Thermal Patterning of Self-Assembled Nanoparticles

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journal contribution
posted on 10.12.2003, 00:00 by Hendrik F. Hamann, S. I. Woods, Shouheng Sun
A general methodology for direct thermal patterning of self-assembled nanoparticle films is presented. Specifically, using laser heating we have fabricated ferromagnetic FePt nanoparticle array patterns with 0.8 μm pitch and an edge resolution of ∼100 nm. The nanoparticle arrays have been investigated by scanning SQUID microscopy and MFM. Finally, we have measured the patterning rate as a function of temperature by monitoring the change in optical reflectance.