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

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

VP7.2.1.3

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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 4	Base unit for Hall effect
1	586853 8	N-doped germanium on plug-in board
1	56211 4	U-core with yoke
2	56213 4	Coil, 250 turns
1	56031 4	Bored pole pieces, pair
1	521536 4	DC Power Supply 2 x 0...16 V/2 x 0...5 A
1	521546 4	DC Power Supply 0...16 V/0...5 A
1	524005W2	Mobile-CASSY 2 WiFi
1	524220 4	CASSY Lab 2
1	524438 8	Voltage sensor M, ±30 V
1	5240381 4	Combi B sensor S
1	50111 4	Extension cable, 15 pin
1	30002 4	Stand base, V-shaped, small
1	30041 4	Stand rod, 25 cm, 12 mm Ø
1	30101 4	Leybold multiclamp
6	500441 4	Connecting lead 19 A, 100 cm, red
7	500442 4	Connecting lead 19 A, 100 cm, blue
1		additionally required: PC with Windows XP/Vista/7/8/10 (x86 or x64)

Experiment Instructions

PDF (Experiment description)

P7.2.1.3 Determining the density and mobility of charge carriers in n-Germanium

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

Description

Components of equipment sets

Experiment Instructions

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