Browsing by Author "Tongay, S."

Now showing items 1-8 of 8

    • Ab-initio electron transport calculations of carbon based string structures 

      Tongay, S.; Senger, R. T.; Dag, S.; Çıracı, Salim (American Physical Society, 2004)
      The new stable structures of carbon-based strings and their unusual electronic transport properties were discussed. Total energy and electronic structure calculations using first principles pseudopotential plane wave method ...

    • Atomic and electronic structure of carbon strings 

      Tongay, S.; Dag, S.; Durgun, Engin; Senger, R. T.; Çıracı, Salim (IOP Publishing Ltd., 2005)
      This paper presents an extensive study of various string and tubular structures formed by carbon atomic chains. Our study is based on first-principles pseudopotential plane wave and finite-temperature ab initio molecular ...

    • Atomic chains of group-IV elements and III-V and II-VI binary compounds studied by a first-principles pseudopotential method 

      Senger, R. T.; Tongay, S.; Durgun, Engin; Çıracı, Salim (American Physical Society, 2005)
      Using the first-principles plane wave pseudopotential method we have studied structural, electronic, and transport properties of atomic chains of group-IV elements and group III-V and group II-VI binary compounds. Several ...

    • Atomic strings of group IV, III-V, and II-VI elements 

      Tongay, S.; Durgun, Engin; Çıracı, Salim (American Institute of Physics, 2004)
      A systematic first-principles study of atomic strings made by group IV, III-V, and II-VI elements has revealed interesting mechanical, electronic, and transport properties. The double bond structure underlies their unusual ...

    • Carbon string structures: First-principles calculations of quantum conductance 

      Senger, R. T.; Tongay, S.; Dag, S.; Durgun, Engin; Çıracı, Salim (American Physical Society, 2005)
      Carbon forms various nanostructures based on the monatomic chains or strings which show transport properties of fundamental and technological interest. We have carried out first-principles quantum conductance calculations ...

    • Half-metallic properties of atomic chains of carbon-transition-metal compounds 

      Dag, S.; Tongay, S.; Yildirim, T.; Durgun, Engin; Senger, R. T.; Fong, C. Y.; Çıracı, Salim (American Physical Society, 2005)
      We found that magnetic ground state of one-dimensional atomic chains of carbon-transition-metal compounds exhibit half-metallic properties. They are semiconductors for one spin direction, but show metallic properties for ...

    • Silicon and III-V compound nanotubes: Structural and electronic properties 

      Durgun, Engin; Tongay, S.; Çıracı, Salim (American Physical Society, 2005)
      Unusual physical properties of single-wall carbon nanotubes have started a search for similar tubular structures of other elements. In this paper, we present a theoretical analysis of single-wall nanotubes of silicon and ...

    • Thermal tuning of infrared resonant absorbers based on hybrid gold-VO<inf>2</inf> nanostructures 

      Kocer H.; Butun, S.; Banar, B.; Wang, K.; Tongay, S.; Wu J.; Aydin, K. (American Institute of Physics Inc., 2015)
      Resonant absorbers based on plasmonic materials, metamaterials, and thin films enable spectrally selective absorption filters, where absorption is maximized at the resonance wavelength. By controlling the geometrical ...