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Temperature dependence of the (a) resistivity for different dc current strengths in zero magnetic field and (b) corresponding sample temperature . Please see the text for details.The inset shows the difference as a function of current.
Temperature dependence of the resistivity, under different external magnetic fields for (a) and (b) . The insets show the corresponding temperature of the sample, .
Temperature dependence of the (a) Electroresistance (ER) for different current strengths in zero magnetic field. Magnetoresistance (MR) for (b) and (c) 11 mA.
Experimental surface temperature of the sample (open symbols) for and calculated surface temperature (thick line) from electrothermal model (see the text for details) as a function of the base temperature at . The inset shows the data and fit at .
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