Band gap of germanium
Article No: P2530402
The conductivity of a germanium test sample is measured as a function of temperature. The energy gap is determined from the measured values. Benefits Hall effect unit to control all parameters (temperature, voltage) and supports intrinsic , p- and n-type Ge crystals Can also be used to study Hall effect in p and n-type Ge Tasks The current and voltage are to be measured across a germanium test-sample as a function of temperature. From the measurements, the conductivity s is to be calculated and plotted against the reciprocal of the temperature T. A linear plot is obtained, from whose slope the energy gap of germanium can be determined. Learning objectives Semiconductor Band theory Forbidden band Intrinsic conduction Extrinsic conduction Impurity depletion Valence band Conduction band