Design and Analysis Comparison of Surface Acoustic Wave-Based Sensors for Fabrication Using Additive Manufacturing

Table 1

Mechanical properties of some commonly available piezoelectric substrates.

Material	Orientation	Thermal coefficient (10^-6/°C)	SAW velocity (m/s)	Coupling coefficient (%)
Lithium niobate	Y, Z	94	3488	4.6
Lithium niobate	128^0-Y, X	75	3992	5.6
Lithium tantalate	Y, Z	35	3230	0.66
Lithium tantalate	X-112^0, Y	22.3	3295	0.75
Langasite	Y, X	38	2330	0.37
Quartz	Y, X	-24	3159	0
Quartz	Y ST, X	0	3159	0.16