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  • 1
    Electronic Resource
    Electronic Resource
    Thin film mixtures synthesized by cross-beam PLD (1999)
    Springer
    Applied physics 69 (1999), S. S463 
    Details
    ISSN: 1432-0630
    Keywords: PACS: 81.15.Fg; 64.60.My; 61.66.Dk
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract. Fabrication of metastable binary solid state film mixtures with continuously variable composition by asymmetric cross-beam PLD is demonstrated. In this technique, the materials are mixed directly in the intersection region of colliding plasmas of individual target materials. This technique can be advantageous for synthesis of solid state quasi-solutions of partially miscible materials, where one can expect interesting mechanic properties and magnetic transformations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003390051439
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A modified plasma source for controlled layer thickness synthesis in laser pulse vapour deposition (LPVD) (1993)
    New York, NY [u.a.] : Wiley-Blackwell
    Advanced Materials for Optics and Electronics 2 (1993), S. 19-29 
    Details
    ISSN: 1057-9257
    Keywords: Thin films ; Laser ablation ; X-ray mirrors ; Plasma sources ; UHV deposition equipment ; Ni/C multilayer structures ; SNMS depth profiling ; TEM cross-section ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: The conventional thin film deposition equipment of LPVD has been modified for the preparation of nanometre-layer stacks of uniform thickness at reduced target/substrate separation. Therefore the planar target was replaced by a cylindrical one and the target motion regime has been modified.During thin film deposition a substrate translation is preferred instead of the usual rotation technique. With this arrangement the emission characteristic of the plasma source can be computer controlled and tailored via a stepper-motor-driven manipulator for the desired layer thickness profile across an extended substrate. Thus, for example, a homogeneous film thickness is obtained even for lower target/substrate distances, and an appropriate deposition rate can be maintained.First applications of the equipment are explained and compared with typical results of the conventional technique.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/amo.860020104
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    STM-induced Annealing and Nanoextrusion in nm-Period Multilayers (1997)
    Chichester [u.a.] : Wiley-Blackwell
    Surface and Interface Analysis 25 (1997), S. 596-605 
    Details
    ISSN: 0142-2421
    Keywords: nanotechnology ; scanning tunnelling microscopy ; thin films ; metal multilayers ; annealing ; extrusion ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: Nanometre-period nickel-carbon multilayers were used as a writing medium for nanostructure fabrication induced by gap voltage manipulations in a scanning tunnelling microscope. The choice of immiscible sample materials provided high-stability written metallic structures. Two well-distinguished hillock-like nanostructure types were observed, depending on the tip-sample separation, polarity and interaction time. Relatively slow local annealing under positive sample potential without a direct tip-sample contact resulted in the formation of nanostructures of 〈20 nm wide and a few nanometres high. Rapid melting followed by metal melt extrusion was observed if the tip contacted the sample during the nanostructure formation, independent of the polarity of the applied voltage. These metallic-like structures were tens of nanometres high and had a good electronic contrast to the initial carbon-coated surface. No traces of tip material were found in the processed areas. The shape of the nanostructures and the threshold voltage of their formation were strongly dependent on the tip condition. Possible courses of nanostructure formation are discussed.© 1997 John Wiley & Sons, Ltd.
    Additional Material: 15 Ill.
    Type of Medium: Electronic Resource
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