Table 1 The Debye temperatureΘ, group velocities υ and the Grüneisen parameter γ for SbCrSe3

From: Intrinsically low thermal conductivity from a quasi-one-dimensional crystal structure and enhanced electrical conductivity network via Pb doping in SbCrSe3

 

υTA (m s−1)

υTA′ (m s−1)

υLA (m s−1)

ΘTA (K)

ΘTA′ (K)

ΘLA (K)

γ TA

γ TA

γ LA

Г-X

1707

1968

2607

35

43

35

2.08

0.92

2.02

Г-X

1779

2308

3427

59

65

66

1.06

1.41

1.25

Г-P

1895

2162

3748

60

60

64

1.07

1.22

1.27

Г-A

1367

1826

2514

43

28

34

1.83

1.02

2.10

Average

1687

2066

3074

49

49

50

1.51

1.14

1.66

Experiment

1892

3180

       
  1. Abbreviations: LA, longitudinal acoustic; TA, transverse acoustic.
  2. Group velocities include the longitudinal and transverse experimental results.
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