A PLZT Novel Sensor with Pt Implanted for Biomedical Application: Cardiac Micropulses Detection on Human Skin

Table 1

Hardness, Young’s modulus, and fracture toughness of ferroelectric ceramics.

Hardness (HV/GPa)	Young’s modulus; (µ/GPa)	Fracture toughness; (/Mpa√m)
5.2 ± 0.9	125 ± 2	Model	Media crack system
		Evans-Charles	0.68 ± 0.10
		Lawn	0.72 ± 0.11
		Lawn-Evans	0.75 ± 0.11
		Antis-Lawn	0.78 ± 0.12
		JIS	0.88 ± 0.13
		Niihara	1.10 ± 0.17
		Model	Palmqvist crack system
		Lawn	0.51 ± 0.08
		Niihara	0.87 ± 0.17

JIS: Japanese industrial standard.