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  • 1
    Electronic Resource
    Electronic Resource
    Thermodynamic Behaviour of Domain Walls in Ordered Alloys: An Experimental Comparison between First and Second Order Transitions (1993)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 126-128 (Jan. 1993), p. 93-96 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/59/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.126-128.93.pdf
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  • 2
    Electronic Resource
    Electronic Resource
    Order and Disorder at Interfaces (1994)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 155-156 (May 1994), p. 367-386 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/00/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.155-156.367.pdf
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  • 3
    Electronic Resource
    Electronic Resource
    Vacuum versus gas environment for the synthesis of nanocomposite films by pulsed-laser deposition (1999)
    Springer
    Applied physics 69 (1999), S. S201 
    Details
    ISSN: 1432-0630
    Keywords: PACS: 81.15.Fg; 61.46-w; 81.05.Zx; 81.05.Pj
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract. Nanocomposite films formed by Cu nanocrystals (NCs) with sizes 〈10 nm embedded in an amorphous Al2O3 host have been grown by alternate pulsed-laser deposition both in vacuum and in a buffer gas (Ar) up to pressures of 0.1 Torr. The dimensions, dimension distributions, and shape of the NC produced in vacuum and in Ar up to pressures of 5×10-3 Torr follow a similar trend as a function of the Cu areal density. This allows us to conclude that the nucleation and growth of the NC are dominated by processes occurring at the substrate surface rather than in the gas phase. For Ar pressures ≥5×10-2 Torr, the anisotropy of the NC is enhanced, the deposition rate decreases abruptly and a significant amount of the buffer gas is incorporated into the host, thus leading to the formation of a porous material.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003399900169
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  • 4
    Electronic Resource
    Electronic Resource
    Coupled technique to produce two-dimensional superlattices of nanoparticles (2002)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 80 (2002), S. 300-302 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We present an original technique to produce high-quality monodisperse two-dimensional (2D) superlattices of nanoparticles. This technique is based on the diffusion of metal atoms deposited by pulsed-laser ablation technique into the first layer of a 3D-structured mesoporous silica film obtained by a sol-gel method. This hybrid technique is very promising since it can potentially produce a wide variety of 2D superlattices by changing the host mesoporous film parameters (particle size and shape, 2D structure symmetry) or the type of deposited materials. In this letter, we show experimental results obtained with 2D square and hexagonal silver superstructures. © 2002 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1429749
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  • 5
    Electronic Resource
    Electronic Resource
    Artificially nanostructured Cu:Al2O3 films produced by pulsed laser deposition (2000)
    Springer
    Applied physics 71 (2000), S. 583-586 
    Details
    ISSN: 1432-0630
    Keywords: PACS: 81.15.Fg; 61.46.+w; 42.70
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract. The processes leading to the formation of Cu:Al2O3 composite films on Si (001) with a well defined nanostructure by alternate pulsed laser deposition (a-PLD) in vacuum are investigated. Alternately amorphous Al2O3 layers and Cu nanocrystals nucleated on the Al2O3 surface are formed, according to the PLD sequence. The Al2O3 deposited on the Cu nanocrystals fills in the space between them until they are completely buried, and subsequently, a continuous dense layer with a very flat surface (within 1 nm) is developed. The nucleation process of the nanocrystals and their resulting oblate ellipsoidal shape are discussed in terms of the role of the energetic species involved in the PLD process and the metal–oxide interface energy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003390000619
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  • 6
    Electronic Resource
    Electronic Resource
    Phase transitions in Co nanoclusters grown by pulsed laser deposition (2001)
    Springer
    The European physical journal 14 (2001), S. 83-88 
    Details
    ISSN: 1434-6079
    Keywords: PACS. 61.46.+w Nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals – 61.16.Bg Transmission, reflection and scanning electron micrography (including EBIC) – 61.50.Ks Crystallographic aspects of phase transformations; pressure effects
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: The crystalline structure of Co clusters embedded in an amorphous Al2O3 matrix was studied by transmission electron microscopy (TEM) and electron diffraction (TED). In the first stage of the growth a metastable structure (body-centred-cubic) is observed. A face-centred-cubic phase (fcc) is found when the size of the clusters increases ( diameter 〉 4 nm). The hexagonal-close-packed phase arises in the fcc phase by a succession of stacking faults at the largest sizes. The mechanisms of phase transformation have been determined by using high resolution electron microscopy (HREM). The chemical nature of the clusters, in particular the existence of Co-O bonds, was investigated by using electron energy loss spectroscopy (EELS).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s100530170238
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  • 7
    Electronic Resource
    Electronic Resource
    Structural transformations in II-VI semiconductor nanocrystals (1999)
    Springer
    The European physical journal 9 (1999), S. 565-570 
    Details
    ISSN: 1434-6079
    Keywords: PACS: 61.46.+w Clusters, nanoparticles, and nanocrystalline materials – 68.35.Rh Phase transitions and critical phenomena – 61.16.Bg Transmission, reflection and scanning electron microscopy (including EBIC)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract. Colloidal CdS and CdS/ZnS nanostructures were obtained by nucleation and growth in colloidal solution. Their mean sizes range between 3 and 10 nm. The structural properties were studied by the use of high-resolution transmission electron microscopy (HRTEM). Phase transition between the metastable cubic blende-type structure and the stable hexagonal wurtzite-type structure was evidenced to be a function of the size of the CdS clusters. The mechanism of the transition involving stacking faults was determined by the heating of CdS clusters at 200 °C for 30 h. Results concerning structural relations between CdS and ZnS that occur during the epitaxial growth of ZnS on the CdS nanocrystals showed the existence of the hexagonal structure of ZnS, which is the high-temperature phase of ZnS.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00010951
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