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A direct measurement of the local resistances in a ZnO tetrapod by means of impedance spectroscopy: The role of the junction in the overall resistance
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10.1063/1.2963483
/content/aip/journal/apl/93/4/10.1063/1.2963483
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/4/10.1063/1.2963483
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The SEM images of (a) device A and (b) device B, and the impedance spectra measured from (c) device A and (d) device B, respectively, at under air (solid squares). Also included in (c) is the impedance spectrum measured under hydrogen at (open squares). The semicircles marked in red in (c) and (d) indicate the fitting result. The insets in (c) and (d) are the relevant equivalent circuits used for the fitting. The scale bars shown in (a) and (b) indicate 1 micrometer.

Image of FIG. 2.
FIG. 2.

An Arrhenius plot of the resistance in the arm of the ZnO-T measured using device B.

Image of FIG. 3.
FIG. 3.

The Arrhenius plots of the resistances corresponding to arc 1 and arc 2 shown in Fig. 1(c) measured using (a) the terminals I-II, (b) the terminals II-III, (c) the terminals II-III, and (d) the plot consists of (a), (b), and (c).

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/content/aip/journal/apl/93/4/10.1063/1.2963483
2008-07-31
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A direct measurement of the local resistances in a ZnO tetrapod by means of impedance spectroscopy: The role of the junction in the overall resistance
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/4/10.1063/1.2963483
10.1063/1.2963483
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