Electron transport in high-resistance semiconductor nanowires through two-probe measurements

Physical Chemistry Chemical Physics : PCCP
Yen-Fu LinWen-Bin Jian

Abstract

Since the successful fabrication of semiconductor nanowires, various techniques have been developed to contact these nanowires and to probe their intrinsic electrical properties. Although many novel quasi one-dimensional materials such as Pb(1 - x)Mn(x)Se nanoarrays were recently produced, their intrinsic electron transport properties have not been extensively studied so far. In this work, we demonstrate that an ordinary source-drain configuration of field-effect transistors or the two-probe measurement can be applied to the exploration of the intrinsic properties of nanowires. This two-probe measurement approach also works on highly resistive nanowires without an Ohmic contact issue. By using this method, electron transport behavior, resistivity, and carrier concentrations of ZnO, InP, GaP, and Pb(1 - x)Mn(x)Se semiconductor nanowires have been investigated. Due to the tiny cross-section and few conducting channels, a nanomaterial usually reveals an ultra high resistance. This technique demonstrates a two-probe characterization of nanostructures, paving the simplest way toward electrical characterizations of all high-resistance nanomaterials such as deoxyribonucleic acid (DNA), molecules and organics.

References

Nov 13, 2004·Journal of the American Chemical Society·Weigang LuJiye Fang
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Jul 21, 2006·The Journal of Physical Chemistry. B·Josh GoldbergerPeidong Yang
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Nov 2, 2007·Nature Materials·Wei Lu, Charles M Lieber
May 13, 2008·Journal of Nanoscience and Nanotechnology·Wen-Bin JianJuhn-Jong Lin
Aug 30, 2008·Nano Letters·Yen-Fu Lin, Wen-Bin Jian
Mar 4, 2009·ACS Nano·Tim StrupeitHorst Weller
May 7, 2009·Nanotechnology·Shao-Pin ChiuJuhn-Jong Lin
Sep 10, 2008·Nanotechnology·E SchlenkerA Waag

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Citations

Aug 30, 2013·Physical Chemistry Chemical Physics : PCCP·Shao-Chien ChiuWen-Bin Jian
Jul 14, 2016·Small·Yang TanDerek R Lovley

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