Thermopower detection of single nanowire using a MEMS device

Cited 1 time in webofscience Cited 0 time in scopus
  • Hit : 400
  • Download : 1
We present a MEMS-based device on a silicon nitride membrane in order to measure the thermoelectric properties of a single nanowire. A temperature gradient along a nanowire was generated by a nanoheater, and the temperature was measured by Pt thermometers. A thermal simulation using a finite element method was conducted to analyze the temperature distribution over the MEMS device. The validity of the MEMS device was established by testing the Pt nanowires which had different symmetry configurations. From the test results of Pt nanowires, a convincing temperature calibration method was proposed and applied to an actual case of Bi2Te3 nanowire. We measured a Seebeck coefficient of -53 mu V/K and electrical conductivity of 2.23 x 10(5) S/m for a single Bi2Te3 nanowire with a diameter of 70 nm at 300 K. Our solid design for thermoelectric measurements based on a membrane structure enables the fast and high-yield characterization of one-dimensional nanostructures.
Publisher
ELSEVIER SCI LTD
Issue Date
2014-05
Language
English
Article Type
Article
Keywords

THERMOELECTRIC FIGURE; ELECTRODEPOSITION; PERFORMANCE; FABRICATION; ARRAYS; BI2TE3; FILMS; MERIT

Citation

MEASUREMENT, v.51, pp.470 - 475

ISSN
0263-2241
DOI
10.1016/j.measurement.2014.02.032
URI
http://hdl.handle.net/10203/189997
Appears in Collection
MS-Journal Papers(저널논문)
Files in This Item
This item is cited by other documents in WoS
⊙ Detail Information in WoSⓡ Click to see webofscience_button
⊙ Cited 1 items in WoS Click to see citing articles in records_button

qr_code

  • mendeley

    citeulike


rss_1.0 rss_2.0 atom_1.0