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

VP7.2.1.3
Determining the density and mobility of charge carriers in n-Germanium
Determining the density and mobility of charge carriers in n-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 assuption that, depending on the doping, one of the concentrations n or p can be ignored.

Components of equipment sets

1 586850  4  Base unit for Hall effect LD
1 586853  8  N-doped germanium on plug-in board LD
1 56211  4  U-core with yoke LD
2 56213  4  Coil, 250 turns LD
1 56031  4  Bored pole pieces, pair LD
1 521536  4  DC Power Supply 2 x 0...16 V/2 x 0...5 A LD
1 521546  4  DC Power Supply 0...16 V/0...5 A LD
1 524005W  8  Mobile-CASSY 2 WiFi LD
1 524220  4  CASSY Lab 2 LD
1 524438  8  Voltage sensor M, ±30 V LD
1 5240381  4  Combi B sensor S LD
1 50111  4  Extension cable, 15 pin LD
1 30002  4  Stand base, V-shaped, small LD
1 30041  4  Stand rod, 25 cm, 12 mm Ø LD
1 30101  4  Leybold multiclamp LD
1 500442  4  Connecting lead 19 A, 100 cm, blue LD
6 50146  4  Connecting leads 19 A, 100 cm, red/blue, pair LD
1 additionally required:
PC with Windows XP/Vista/7/8/10 (x86 or x64)

Experiment Instructions

PDF (Experiment description) PDF (Experiment description) P7.2.1.3 Determining the density and mobility of charge carriers in n-Germanium
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