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Evaluation of the transient potential drop of a four-point probe
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10.1063/1.3606386
/content/aip/journal/apl/98/26/10.1063/1.3606386
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/26/10.1063/1.3606386
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Four point probe with sprung loaded pin electrodes.

Image of FIG. 2.
FIG. 2.

(Color online) Contact points for current (P 1 and P 2) and voltage electrodes (Q 1 and Q 2).

Image of FIG. 3.
FIG. 3.

(Color online) Variation of potential drop ΔV(t), solid line, for a step function current excitation, Eq. (1). The dashed lines show the contribution from (a) terms containing ρ 11 and ρ 22 for the case in which ρ 22 = ρ 11 = 10 mm and the associated relaxation has a time constant . (b) Terms containing ρ 21 and ρ 12 for ρ 21 = ρ 12 = 20 mm and time constant 20 ms.

Image of FIG. 4.
FIG. 4.

(Color online) Variation of ρfν (ρ, t) with time for a step function current (τ = 0) and for a drive current with exponential rise times τ = 5, 20, and 80 ms. In each case, μσρ 2 = 5.0 ms.

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/content/aip/journal/apl/98/26/10.1063/1.3606386
2011-06-30
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Evaluation of the transient potential drop of a four-point probe
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/26/10.1063/1.3606386
10.1063/1.3606386
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