Time Dependence of the Resistivity of the Fe-Sb System at Room Temperature

T. M. Fayez^1, , W. A. M. Zeyara¹, F. M. A. Salem¹, H. M. A. Malek¹ and M. M. A. Ahmed¹

¹School of physics, Sebha University, Libya

Cite this paper:
T. M. Fayez, W. A. M. Zeyara, F. M. A. Salem, H. M. A. Malek and M. M. A. Ahmed. Time Dependence of the Resistivity of the Fe-Sb System at Room Temperature. International Journal of Physics. 2018; 6(2):30-32. doi: 10.12691/ijp-6-2-1

Abstract

In this paper, the synthesis, resistivity measurement, and X-ray diffraction of the Fe-Sb system are reported. The method of synthesis of the Fe-Sb system, which instigates the formation of the FeSb₂ and FeSb phases between Fe grains at the interface, was found to cause a decrease in resistivity. The sample produced an anomalous result for resistivity behavior at room temperature, where a time-dependent change in the electrical resistivity was observed. This change can be expressed by the exponential function of time.

Keywords:
four-point probe resistivity binary compounds

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