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Sökning: WFRF:(Fissan Heinz)

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1.
  • Deppert, Knut, et al. (författare)
  • Feasibility study of nanoparticle synthesis from powders of compounds with incongruent sublimation behavior by the evaporation/condensation method
  • 1998
  • Ingår i: Nanostructured Materials. - 0965-9773. ; 10:4, s. 565-573
  • Tidskriftsartikel (refereegranskat)abstract
    • In this paper we investigate the feasibility of a fabrication route to produce nanocrystals of compound material with incongruent sublimation behavior via the simple evaporation of the powder of the compound. The generation of stoichiometric particles would only be possible if the particle formation occurs at temperatures below the incongruent sublimation point. Our experiments, done on three different III-V compounds, show that the simple evaporation of the powder of those materials to obtain stoichiometric particles is not possible. Particle formation does not start at temperatures below the incongruent sublimation point. Particles synthesized consisted not of the compound but almost entirely of the more volatile group-Velement, leading to a change in the composition of the source material and thus to irreproducible behavior.
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2.
  • Krinke, Thomas J., et al. (författare)
  • Positioning of nanometer-sized particles on flat surfaces by direct deposition from the gas phase
  • 2001
  • Ingår i: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 78:23, s. 3708-3710
  • Tidskriftsartikel (refereegranskat)abstract
    • Arrangements of nanometer-sized particles were obtained on plane oxidized silicon substrates by direct deposition from the gas phase. The particles were attracted onto charge patterns created by contact charging. Monodisperse, singly charged indium aerosol particles with a diameter of 30 nm were used as a test case to illustrate this process. Due to the surface treatment, the deposition is highly selective. We were able to create lines of particles with widths as narrow as 100 nm and several millimeters in length. The resolution of the pattern depends mainly on the surface treatment and the tool geometry. Our approach opens the possibility of creating patterns composed of nanometer-sized particles on a flat substrate surface by the simple transfer of charge patterns, without a lithographical process.
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  • Resultat 1-2 av 2
Typ av publikation
tidskriftsartikel (2)
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refereegranskat (2)
Författare/redaktör
Deppert, Knut (2)
Magnusson, Martin H. (2)
Fissan, Heinz (2)
Samuelson, Lars (1)
Nielsch, Kornelius (1)
Kruis, F. Einar (1)
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Krinke, Thomas J. (1)
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Lunds universitet (2)
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Engelska (2)
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Naturvetenskap (2)
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