Table 1 Pressure dependence of Raman frequencies of 3C-SiC under hydrostatic stress. Phonon frequencies ν0 are in cm−1 and dν/dP in cm−1/GPa.

From: First principles calculation of the nonhydrostatic effects on structure and Raman frequency of 3C-SiC

 

ν0

dν/dP

ν0

dν/dP

ν0

dν/dP

ν0

dν/dP

TO

797.7

3.88

797.2

3.46

774.1

3.65

783.7

3.813

LO

973.6

4.59

973.8

4.27

942.3

4.25

958.5

4.417

LO-TO

175.9

0.654

176.6

0.812

168.6

0.578

174.8

0.604

Method

Expt.

Calc.

References

55

53

This works

55

  1. Note: The results refer to fits of linear functions for experimental data.
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