Energy Gap of a Semiconductor
Description
Measures semiconductor energy gap using temperature
Specifications
| CURRENT SOURCE | High-stability variable up to 200 mA; digital meter 0–200 mA |
|---|---|
| VOLTAGE METER | Range 0–2 V, resolution 1 mV, ±0.5% accuracy |
| SEMICONDUCTOR | Si or GaAs p-n junction diode in sealed heat-resistant probe |
| THERMOMETER | Digital, ≥300 °C range, stainless-steel probe, Auto-OFF |
| HEATING KETTLE | Min 1 litre, 1000 W integrated element |
| ANALYSIS | Plot ln(I₀) vs 1/T to determine energy gap Eg |
| MAINS | Standard AC input |