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Martin Magnusson

Ställföreträdande prefekt & studierektor för grundutbildning

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Single-crystalline tungsten nanoparticles produced by thermal decomposition of tungsten hexacarbonyl

Författare

  • Martin H. Magnusson
  • Knut Deppert
  • Jan Olle Malm

Summary, in English

Nanometer-sized particles of W are of interest in semiconductor device research, where such particles may store electrons inside heteroepitaxially defined structures. In this paper, we present results concerning W particles produced by thermal decomposition of tungsten hexacarbonyl. By the described method, it was possible to produce size-selected, single-crystalline W particles in the size range between 15 and 60 nm. The sintering behavior of the particles was studied between ambient temperatures and 1900 °C. The particle morphology and structure were examined with high-resolution transmission electron microscopy and electron diffraction techniques. Particles sintered at the highest temperatures typically were single crystals, with well-developed facets. Some problems concerning a yield reducing charging mechanism are discussed.

Avdelning/ar

  • Fasta tillståndets fysik

Publiceringsår

2000-07

Språk

Engelska

Sidor

1564-1569

Publikation/Tidskrift/Serie

Journal of Materials Research

Volym

15

Issue

7

Dokumenttyp

Artikel i tidskrift

Förlag

Materials Research Society

Ämne

  • Condensed Matter Physics

Status

Published

Forskningsgrupp

  • Inorganic Chemistry Group, Ebbe Nordlander

ISBN/ISSN/Övrigt

  • ISSN: 0884-2914