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Demonstration of quantized conductance of nanowires
Języki publikacji
Abstrakty
Quantized conductance of gold nanowires was demonstrated in our experiment. Gold nanowires a few atomic diameters wide were created by hitting a gold wire against a flat surface of a gold sample placed on a piezostack. The conductance of the nanowires was measured with an oscilloscope. A nanowire suspended between the sample and the gold wire was directly observed to have a quantized conductance. Results were statistically analyzed by plotting histograms for several measured conductance values. Observed quantum units of conductance differed by about 10% from theoretical predictions. This discrepancy is due to practical limitations of the apparatus, which are further discussed.
Wydawca
Czasopismo
Rocznik
Tom
Strony
210--216
Opis fizyczny
Bibliogr. 6 poz., fot., rys., wykr.
Twórcy
autor
- Student, Instytut Fizyki, Uniwersytet Jagielloński
autor
- Student, Instytut Fizyki, Uniwersytet Jagielloński
Bibliografia
- [1] M. Brandbyge i in., Phys. Rev. B 52, 8499 (1995).
- [2] R. Landauer, IBM J. Res. Dev. 1,223 (1957).
- [3] M. Buttiker i in., Phys. Rev. B 31, 6207 (1985).
- [4] B.J. van Wees i in., Phys. Rev. Lett. 60, 848 (1988).
- [5] J.I. Pascual i in., Phys. Rev. Lett: 71, 1852 (1993).
- [6] J.L. Costa-Kramer i in., Phys. Rev. B 55, 5416 (1997).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BAT5-0007-0002