Browsing by Subject "nanotubular structures"

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  • ENACHI, Mihai; CIOBANU, Vladimir; SERGENTU, Vladimir; URSAKI, Veaceslav (Romanian Academy, 2015)
    We prove analytically that metallized TiO2 nanotubular structures are characterized by negative refractive index which opens the possibility for their use as cost-effective focusing elements. Flat and concave lenses assembled ...
  • ENACHI, Mihai (Technical University of Moldova, 2015)
    TiO2 nanotubular structures NTs are promising materials for gas sensing, optoelectronic and photonic applications. One of the key points in these applications is the possibility to control the morphology, dimensions of ...

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