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Träfflista för sökning "LAR1:cth ;lar1:(gu);lar1:(cth);pers:(Campbell Eleanor E B 1960)"

Sökning: LAR1:cth > Göteborgs universitet > Chalmers tekniska högskola > Campbell Eleanor E B 1960

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21.
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23.
  • Popok, Vladimir, 1966, et al. (författare)
  • Complex crater formation on silicon surfaces by low-energy Ar cluster ion implantation
  • 2004
  • Ingår i: Surface Science. - : Elsevier BV. - 0039-6028. ; 566-568, s. 1179-1184
  • Tidskriftsartikel (refereegranskat)abstract
    • Silicon samples were implanted by small mass-selected Ar cluster and Ar+ monomer ions with energies in the range of 1.5-18.0 keV/ion. Atomic force microscopy (AFM) shows simple and complex crater formation on the Si surface at the collision spots. A typical complex crater is surrounded by a low-height (0.5 nm) rim and it encloses a centre-positioned cone-shaped hillock with height of up to 3.5 nm depending on the implantation conditions. The morphology and dimensions of the craters and hillocks are studied as a function of the cluster size and implantation energy. A model explaining the hillock formation with relation to the thermal-transfer effect and local target melting at the collision spot is proposed.
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25.
  • Popok, Vladimir, 1966, et al. (författare)
  • Nanohillock formation by impact of small low-energy clusters with surfaces
  • 2003
  • Ingår i: Nuclear Instruments and Methods in Physics Research B. ; 207:2, s. 145-153
  • Tidskriftsartikel (refereegranskat)abstract
    • Results on nanoscale structuring of different substrates (silicon, pyrolytic graphite, indium-tin-oxide) using clusters from 20 to 100 atoms in size formed from gaseous precursors (O2, N2, Ar) at relatively low impact energy up to 15 keV are presented. Images of the substrate surfaces after cluster collisions obtained using atomic force microscopy (AFM) show the formation of hillocks from a few to 15 nm height with a basal diameter from 50 to 300 nm depending on implantation conditions. The shape and size of the structures are found to be a function of the cluster size and species, implantation energy, impact angle and the type of substrate. A model explaining the hillock formation is discussed.
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26.
  • Popok, Vladimir, 1966, et al. (författare)
  • Surface nanostructuring by implantation of cluster ions
  • 2004
  • Ingår i: Vacuum. - : Elsevier BV. - 0042-207X. ; 76:2-3, s. 265-272
  • Tidskriftsartikel (refereegranskat)abstract
    • A brief state-of-the-art review in the field of cluster ion implantation is presented. Ionised cluster beams are considered as a controllable and versatile tool for modification and processing of surfaces and near-surface layers on an atomistic scale as an alternative to ion implantation and ion assisted deposition. The main effects occurring under cluster-surface collisions as well as advantages in the application of cluster ion beams are reviewed. The problem of surface erosion under impact of energetic cluster ions is emphasised in the paper. A model explaining crater and hillock formation on target surfaces with relation to the thermal-transfer effect and local target melting at the collision spot is discussed.
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29.
  • Sveningsson, Martin, 1977, et al. (författare)
  • Field emission from multiwalled carbon nanotubes – its application in NEMS
  • 2005
  • Ingår i: AIP COnference Proceedings. - 0094-243X .- 1551-7616. ; 786, s. 620-623
  • Tidskriftsartikel (refereegranskat)abstract
    • Nanoelectromechanical systems (NEMS) are a rapidly growing area of research. We discuss here the fabrication of two different three terminal nanorelay structures based on multi-walled carbon nanotubes (MWNT). Using a gate voltage the whole MWNT can be deflected and the tip of the carbon nanotube can be moved closer to a drain electrode making physical contact. In another device structure the carbon nanotubes are shorter so they never can get real physical contact with the drain electrode, instead this device is based on the process of electron field emission from the MWNT.
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  • Resultat 21-30 av 42
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refereegranskat (34)
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Campbell, Eleano... (42)Ta bort avgränsningen
Kabir, Mohammad, 197 ... (8)
Svensson, Johannes, ... (8)
Lee, SangWook (7)
Park, YungWoo (7)
Sveningsson, Martin, ... (7)
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Lundgren, Per, 1968 (6)
Gromov, Andrei, 1959 (6)
Falk, Lena, 1956 (6)
Dittmer, Staffan, 19 ... (6)
Bengtsson, Stefan, 1 ... (5)
Enoksson, Peter, 195 ... (5)
Kinaret, Jari, 1962 (3)
Olofsson, Niklas, 19 ... (3)
Lassesson, Andreas, ... (3)
Shinohara, H (3)
Nerushev, O. A. (3)
Roth, S. (2)
Liu, Johan, 1960 (2)
Mehlig, Kirsten, 196 ... (2)
Kuzmin, Leonid, 1946 (2)
Tarasov, Mikhail, 19 ... (2)
Isacsson, Andreas, 1 ... (2)
Eriksson, Anders, 19 ... (2)
Tarakanov, Yury, 198 ... (2)
Wang, Teng, 1983 (2)
Kim, B. (1)
Lee, S. -H (1)
Rosen, Arne, 1939 (1)
Midtvedt, Daniel, 19 ... (1)
Hansen, Klavs, 1958 (1)
Lindahl, Niklas, 198 ... (1)
Svensson, Krister, 1 ... (1)
Olsson, Eva, 1960 (1)
Axelsson, S. (1)
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Jonsson, Martin (1)
Engström, K. (1)
Jeppson, Kjell, 1947 (1)
Mattsson, M. (1)
Jonsson, Magnus, 197 ... (1)
Rychwalski, Rodney, ... (1)
Kim, S-S. (1)
Ek Weis, J. (1)
Bolton, Kim, 1964 (1)
Ding, Feng, 1970 (1)
Bulgakova, Nadya, 19 ... (1)
Lindvall, Niclas, 19 ... (1)
Carlberg, Björn, 198 ... (1)
Weis, J (1)
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Göteborgs universitet  (42)Ta bort avgränsningen
Chalmers tekniska högskola  (42)Ta bort avgränsningen
RISE (3)
Lunds universitet (1)
Karlstads universitet (1)
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