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Phase-coherence and symmetry in four-terminal magnetotransport measurements on InN nanowires
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10.1063/1.3159626
/content/aip/journal/apl/94/25/10.1063/1.3159626
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/25/10.1063/1.3159626
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Resistance of sample A as a function of temperature measured in a four-terminal configuration. The solid line represents a linear fit at higher temperatures. (b) Normalized conductance fluctuations of sample A in units of as a function of magnetic field and temperature. The curve on the left side shows the conductance fluctuations at 0.35 K.

Image of FIG. 2.
FIG. 2.

(a) vs of sample A measured in a two- and four-terminal configurations (squares), respectively. The solid lines represent the fitted temperature dependence. Also shown are the rms values obtained from Eq. (1) by using extracted from (dots). The inset shows an electron beam micrograph of the sample. (b) vs of sample A (squares). Above 1.5 K increases as (dashed line). For comparison determined for sample B is also shown (triangles). (c) determined from for sample A (squares) and sample B (triangles), respectively. The dashed line represents the fitted decrease in for sample A while the solid line represents .

Image of FIG. 3.
FIG. 3.

Conductance fluctuations of sample A in units of as a function of magnetic field at 0.5 K: (a) comparison of the four-terminal and two-terminal magnetoconductances; (b) symmetric and antisymmetric contributions of the conductance fluctuations measured in a two-terminal configuration; (c) symmetric and antisymmetric contributions of the corresponding four-terminal configuration; and (d) fast Fourier transforms of the conductance fluctuations. The inset shows the schematics of the four-terminal (left) and two-terminal (right) measurement configurations.

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/content/aip/journal/apl/94/25/10.1063/1.3159626
2009-06-25
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Phase-coherence and symmetry in four-terminal magnetotransport measurements on InN nanowires
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/25/10.1063/1.3159626
10.1063/1.3159626
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