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Hall Effect In P-germanium

Hall Effect In P-germanium

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 11801.001
Hall effect, p-Ge, carrier board11805.011
Coil, 600 turns06514.012
Iron core, U-shaped, laminated06501.001
Pole pieces, plane, 30 x 30 x 48 mm, 1 pair06489.001
Hall probe, tangential, with protective cap13610.021
Power supply 0-12 V DC/ 6 V, 12 V AC13505.901
Tripod base -PASS-02002.551
Support rod -PASS-, square, l = 250 mm02025.551
Right angle clamp -PASS-02040.551
Connecting cable, 4 mm plug, 32 A, red, l = 50 cm07361.013
Connecting cable, 4 mm plug, 32 A, blue, l = 50 cm07361.042
Connecting cable, 4 mm plug, 32 A, black, l = 75 cm07362.052
Teslameter, digital13610.901
Digital multimeter 201007128.001

Complete Equipment Set, Manual on CD-ROM included

 

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