Table 4. Crystal Size (D, nm) of Irradiated (PVP) Powder.

sample no.	I/Io	2θ	FWHM (deg)	β rad	D (nm)
S-0	100	10.84	2.8339	0.049460886	2.815822656
S-10	100	10.84	3	0.052359878	2.662060916
S-20	100	11.1	3.6	0.062831853	2.218867477
S-30	100	11.34	7.79	0.135961149	1.025618281
S-40	100	11.34	8.79	0.153414441	0.908938158
S-50	100	10.74	8.98	0.156730567	0.889256637