Hall Effect In P-germanium
The resistivity and Hall voltage of a rectangular germanium sample are measured as a function of temperature and magnetic field. The band spacing, the specific conductivity, the type of charge carrier and the mobility of the charge carriers are determined from the measurements
P2530101
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Principle:
The resistivity and Hall voltage of a rectangular germanium sample are measured as a function of temperature and magnetic field. The band spacing, the specific conductivity, the type of charge carrier and the mobility of the charge carriers are determined from the measurements
Tasks:
1. The Hall voltage is measured at room temperature and constant magnetic field as a function of the control current and plotted on a graph (measurement without compensation for defect voltage).
2. The voltage across the sample is measured at room temperature and constant control current as a
function of the magnetic induction B.
3. The voltage across the sample is measured at constant control current as a function of the temperature. The band spacing of germanium is calculated from the measurements.
4. The Hall voltage UH is measured as a function of the magnetic induction B, at room temperature.
The sign of the charge carriers and the Hall constant RH together with the Hall mobility mH and the carrier concentration p are calculated from the measurements.5. The Hall voltage UH is measured
as a function of temperature at constant magnetic induction B and the values are plotted on a
graph.
What you need:
Hall effect module | 11801.00 | 1 |
Hall effect, p-Ge, carrier board | 11805.01 | 1 |
Coil, 600 turns | 06514.01 | 2 |
Iron core, U-shaped, laminated | 06501.00 | 1 |
Pole pieces, plane, 30 x 30 x 48 mm, 1 pair | 06489.00 | 1 |
Hall probe, tangential, with protective cap | 13610.02 | 1 |
Power supply 0-12 V DC/ 6 V, 12 V AC | 13505.90 | 1 |
Tripod base -PASS- | 02002.55 | 1 |
Support rod -PASS-, square, l = 250 mm | 02025.55 | 1 |
Right angle clamp -PASS- | 02040.55 | 1 |
Connecting cable, 4 mm plug, 32 A, red, l = 50 cm | 07361.01 | 3 |
Connecting cable, 4 mm plug, 32 A, blue, l = 50 cm | 07361.04 | 2 |
Connecting cable, 4 mm plug, 32 A, black, l = 75 cm | 07362.05 | 2 |
Teslameter, digital | 13610.90 | 1 |
Digital multimeter 2010 | 07128.00 | 1 |
Complete Equipment Set, Manual on CD-ROM included
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