A Laser Fabrication of Magnetic Micromachines by Using Optimized Photosensitive Ferrofluids

Figure 1

TEM images of different Fe₃O₄ nanoparticles. (a) Oleic acid stabilized Fe₃O₄ nanoparticles prepared using thermal decomposition method. (b) PO₃-TMPTA modified Fe₃O₄ nanoparticles. The scales in images are 20 nm. (c) TGA curve of the photosensitive ferrofluid.

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(b)

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