F14
Debye Experiment

Christina Schwarz     Martin-I. Trappe

(Dated: February 25, 2006)

 F14_Debye_Experiment.pdf (1,6 MB)

Contents

I	Introduction	3
II	Theory	3

	II.1	Specific heat	3
	II.2	Debye model	4
	II.3	Heat conductivity	5
	II.4	Temperature distribution in the sample	6

III

Realization

7

	III.1	Setup	8
	III.1.1	Cryostat	8
	III.1.2	sample	8
	III.1.3	Electronic measuring devices	9
	III.2	Measurement	10
	III.2.1	Prearrangement	10
	III.2.2	Measuring process	11
	III.3	Results and Discussion	12
	III.3.1	Specific heat	12
	III.3.2	Thermal conductivity	13
	III.3.3	Heat conductivity	16

IV

Conclusions

18

A

Transformation between thermal voltage and temperature variation

19

B

Tables of measurends and derived quantities

20