Browsing by Subject "Nanoparticles"

Browsing by Subject "Nanoparticles"

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  • Thompson, G. B.; Srivastava, Chandan; Nikles, David E. (2008-09-25)
    A series of FePt nanoparticles was synthesized by the thermal decomposition of iron pentacarbonyl and reduction in platinum acetylacetonate in phenyl ether solvent. A range of precursor molar ratios of 2, 1.5, and 1 ...
  • Srivastava, Chandan; Balasubramanian, Jayendra; Turner, C. Heath; Wiest, John M.; Bagaria, Hitesh G.; Thompson, Gregory B. (2007-11-27)
    Self-assembled FePt nanoparticle arrays are candidate structures for ultrahigh density magnetic storage media. One of the factors limiting their application to this technology is particle-to-particle compositional variation. ...
  • Bagaria, H. G.; Johnson, D. T.; Srivastava, C.; Thompson, G. B.; Shamsuzzoha, M.; Nikles, D. E. (2007-05-23)
    Our interest in determining the mechanism of FePt nanoparticle formation has led to this study of the evolution of particle size and composition during synthesis. FePt nanoparticles were prepared by the simultaneous reduction ...
  • Kang, Shishou; Shi, Shifan; Jia, Zhiyong; Thompson, G. B.; Nikles, David. E.; Harrell, J. W. (2007-05-09)
    Chemically ordered FePt nanoparticles were obtained by high temperature annealing a mixture of FePt particles with NaCl. After the NaCl was removed with de-ionized water, the transformed FePt nanoparticles were redispersed ...
  • Kim, G.; Martens, R. L.; Thompson, G. B.; Kim, B. C.; Gupta, A. (2007-11-28)
    Single crystalline magnesium oxide MgO nanowires exhibiting a square cross section have been grown on 001-oriented MgO and Si substrates using the vapor-liquid-solid growth mechanism. While the nanowires grow vertically ...
  • Kang, Shishou; Jia, Zhiyong; Zoto, I.; Reed, D.; Nikles, David E.; Harrell, J. W. (2006-04-19)
    ePt and [FePt]95Au5 nanoparticles with an average size of about 4nm were chemically synthesized and spin coated onto silicon substrates. Samples were subsequently thermally annealed at temperatures ranging from 250 to 500°C ...
  • Mankey, Gary (2006-04-19)
    FePt and [FePt]₉₅Au₅ nanoparticles with an average size of about 4nm were chemically synthesized and spin coated onto silicon substrates. Samples were subsequently thermally annealed at temperatures ranging from 250 to ...
  • Thompson, G. B.; Srivastava, C.; Harrell, J. W.; Nikles, D. E. (2006-03-02)
    A series of [FePt]100−xCrx nanoparticles (x=5, 10, and 16at.%) was chemically synthesized by two different techniques. In one method, the simultaneous chemical reduction of FeCl2∙4H2O, Pt-acetylacetonate, and Cr-acetylacetonate ...
  • Thompson, Gregory B.; Srivastava, Chandan; Nikles, David E. (2008-11-21)
    To eliminate compositional and size variabilities between individual binary nanoparticles, it is essential to control the mechanistic steps involved in nanoparticle synthesis. A common method for synthesizing FePt ...

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