Table 3. Average Crystallite Size, Penetration Depth, Particle Diameter, Distance between LO and TO Phonon Vibration, and Bandwidth of the Reflection Loss.

			diameter		reflection loss
samples	average crystallite size (nm)	penetration depth (cm)	particle size (μm)	Δ(LO – TO) (cm–1)	frequency (GHz)	bandwidth (cm–1)	dB
NS	12.81	0.049	13.5 ± 6.5	147	10	2.3	–26.25
					20	1.1
NS/LS	10.09	0.037	3.5 ± 1.5	81	10	2.6	–31.83
					20	1.6
NS/IS	15.69	0.016	11.2 ± 3.1	65	10	2.4	–39.14
					20	0.8