4.2 Article

A mobile microcell for measuring the electrical characteristics of individual nanowires and nanotubes

Journal

INSTRUMENTS AND EXPERIMENTAL TECHNIQUES
Volume 59, Issue 6, Pages 848-856

Publisher

MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0020441216060105

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Funding

  1. Russian Science Foundation [14-13-00574]
  2. Russian Science Foundation [14-13-00574] Funding Source: Russian Science Foundation

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A mobile measuring cell was proposed and created using a focused ion beam as a nanoknife for measuring the electrical characteristics of individual nanowires and nanotubes by the four-wire method. The cell consists of two elements: the basic one, on whose surface a nanoconductor is deposited, and the auxiliary element that provides the electrical connection of the primary element to the wires of the external measuring circuit. Micro- and nanoscale wires in both elements of the cell were formed from gold films deposited on a silicon oxide surface. This provides reliable contacts between a nanoobject and the wires. In this paper, the application of the proposed method was demonstrated using examples of a multiwalled carbon nanotube and a thin platinum nanowire. The electrical resistance of the nanotube was measured using the two-wire method, whereas the current-voltage characteristic for the platinum nanowire was measured via the fourwire method.

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