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One focus of the MRSEC is on nanoparticle self assembly to form complex thin films and understanding the properties of these films. The MRSEC is also interested in new ways of synthesizing nanoparticles which could then be assembled into new films. Stephen O'Brien and Louis Brus, in collaboration with Chris Murray of the IBM T. J. Watson Research Center, have developed a method to synthesize barium titanate nanoparticles by using colloidal chemistry. The micrographs on the right were obtained with a transmission electron microscope (TEM). They show that these barium titanate nanoparticles are monodisperse (a) and exhibit crystallinity (b). These nanocrystals are also seen to self assemble with order (c).
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