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Integration of Ge nanowire arrays in glass micro-fibers

  • Electrical Precision Treatment of Materials
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Abstract

We report on a technological route for the integration of large arrays of Ge nanowires (NWs) in a human-hair-like glass micro-fiber, the length of the micro-fiber reaching one meter. The route comprises (a) the formation of semiconductor microwire in glass insulation by capillary drawing from the bottom of a glass tube softened by a conducting Ge melt drop levitating in the high-frequency electromagnetic induction field; (b) mechanical assembly of a bundle from equal-length cut microwires which are distributed in a two-dimensional quasi-hexagonal densely packed lattice encircled by a joint glass envelope; (c) stretching of the obtained preform under proper heating conditions to reduce the diameters of the stacked together microwires; (d) repeating the cut-assembly-stretching processes for the purpose of further decreasing in transverse dimensions of constituents down to 150 nm. The fascinating incorporation of huge amounts of Ge nanowires in glass micro-fibers opens new possibilities for the development of highly integrated photonic and quantumelectronic systems.

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Authors and Affiliations

  1. ELIRI Research Institute, Miron Costin str. 5, Chisinau, MD-2045, Moldova

    A. Ioisher, E. Badinter & E. Monaico

  2. National Center for Materials Study and Testing, Technical University of Moldova, Bd. Stefan cel Mare 168, Chisinau, MD-2004, Moldova

    V. Postolache & I. Tiginyanu

  3. Institute for High Frequency Electronics, Technical University Darmstadt, Darmstadt, D-64283, Germany

    H. L. Hartnagel

  4. Laboratory of Nanotechnology, Institute of Electronic Engineering and Nanotechnologies, Academy of Sciences of Moldova, Academy str. 3/3, Chisinau, MD-2028, Moldova

    N. Leporda & I. Tiginyanu

Authors
  1. A. Ioisher
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  2. E. Badinter
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  3. E. Monaico
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  4. V. Postolache
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  5. H. L. Hartnagel
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  6. N. Leporda
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  7. I. Tiginyanu
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Corresponding author

Correspondence to I. Tiginyanu.

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Ioisher, A., Badinter, E., Monaico, E. et al. Integration of Ge nanowire arrays in glass micro-fibers. Surf. Engin. Appl.Electrochem. 47, 103–106 (2011). https://doi.org/10.3103/S1068375511020062

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  • DOI: https://doi.org/10.3103/S1068375511020062

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