Modelling Reflection and Transmission of Acoustic Waves at a Semiconductor: Fluid Interface

Table 1

Physical data of Silicon (Si) and Germanium (Ge) semiconductors.

Coefficient	Unit	Value (Ge)	Value (Si)	Reference
𝜆	Nm^−2	0.48×10^11	0.64×10^11	[17]
𝜇	Nm^−2	0.53×10^11	0.65×10^11
𝜌	Kgm^−3	5.3×10^3	2.3×10^3
𝑡^+𝑛	s	1 ps	1 ps
𝑡^+𝑝	s	1 ps	1 ps
𝐷^𝑛	m^2s^−1	10^−2	0.35×10^−2
𝐷^𝑝	m^2s^−1	0.5×10^−2	0.125×10^−2
𝛼𝑇	K^−1	5.8×10^−6	2.6×10^−6	[21]
𝑛0=𝑝0	m^−3	10^20	10^20	[22]