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Determining the density and mobility of charge carriers in p-Germanium

VP7.2.1.4
Determining the density and mobility of charge carriers in p-Germanium
Determining the density and mobility of charge carriers in p-Germanium Hall voltage when heating up the p-Ge sample (P7.2.1.4)
Determining the density and mobility of charge carriers in p-Germanium

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Description

The experiments P7.2.1.3 and P7.2.1.4 explore the temperature-dependency of the Hall voltage and the electrical conductivity

using doped germanium samples. The concentrations of the charge carriers and their mobilities are determined under the assumption that, depending on the doping, one of the concentrations n or p can be ignored.

Components of equipment sets

1 586850 Base unit for Hall effect LD
1 586852 P-doped germanium on plug-in board LD
1 56211 U-core with yoke LD
2 56213 Coil, 250 turns LD
1 56031 Bored pole pieces, pair LD
1 521536 DC Power Supply 2 x 0...16 V/2 x 0...5 A LD
1 521546 DC Power Supply 0...16 V/0...5 A LD
1 524005W2 Mobile-CASSY 2 WiFi LD
1 524220 CASSY Lab 2 LD
1 524438 Voltage sensor M, ±30 V LD
1 5240381 Combi B sensor S LD
1 50111 Extension cable, 15 pin LD
1 30002 Stand base, V-shaped, small LD
1 30041 Stand rod, 25 cm, 12 mm Ø LD
1 30101 Leybold multiclamp LD
6 500441 Connecting lead 19 A, 100 cm, red LD
7 500442 Connecting lead 19 A, 100 cm, blue LD
1

Experiment Instructions

PDF (Experiment description) PDF (Experiment description) P7.2.1.4 Determining the density and mobility of charge carriers in p-Germanium
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