Transport techniques are experimental methods used to measure and analyze the movement of charge carriers, mass, or energy through a medium under applied gradients or fields. In condensed matter and materials science, they encompass electrical transport measurements such as four-probe resistivity, Hall effect, magnetoresistance, and thermoelectric characterization, which quantify conductivity, carrier density, mobility, and scattering mechanisms. These techniques often involve controlling temperature, magnetic field, and sample geometry to resolve intrinsic transport coefficients and distinguish bulk from interfacial or defect-dominated contributions, thereby enabling rigorous evaluation of electronic structure, disorder, and phase transitions in materials.
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