Influence of Terahertz Frequency on the Elastic Constants …
93
Fig. 62 The curves of C 1 versus x (electric quantum limit) at terahertz frequency in n-channel
accumulation layers of ternary materials where (E/E g ) 1 for (a) the band structure containing
3 energy band constants and (b) the band structure containing 2 energy band constants
Fig. 63 The curves of C 1 versus x(electric quantum limit) at terahertz frequency in n-channel
accumulation layers ofternary materials where (E/E g ) 1 for (a) the band structure containing
3 energy band constants and (b) the band structure containing 2 energy band constants
2 energy band constants respectively. In Figs. 78 and 79 the curves of the C 2 versus
x in accumulation layers of quaternary materials have been drawn under constraints
(E/E g ) 1 and (E/E g ) 1 electric field quantum limits for (a) the band structure
contains 3 energy band constants and (b) the band structure contains 2 energy band
constants respectively. All plots have been computed at terahertz frequency and in
93
Fig. 62 The curves of C 1 versus x (electric quantum limit) at terahertz frequency in n-channel
accumulation layers of ternary materials where (E/E g ) 1 for (a) the band structure containing
3 energy band constants and (b) the band structure containing 2 energy band constants
Fig. 63 The curves of C 1 versus x(electric quantum limit) at terahertz frequency in n-channel
accumulation layers ofternary materials where (E/E g ) 1 for (a) the band structure containing
3 energy band constants and (b) the band structure containing 2 energy band constants
2 energy band constants respectively. In Figs. 78 and 79 the curves of the C 2 versus
x in accumulation layers of quaternary materials have been drawn under constraints
(E/E g ) 1 and (E/E g ) 1 electric field quantum limits for (a) the band structure
contains 3 energy band constants and (b) the band structure contains 2 energy band
constants respectively. All plots have been computed at terahertz frequency and in
