(22.5˚) (002)

Types of sample

2θ

θ

cosθ

FWHM β (degree)

FWHM β (radian)

Crystallite size D (nm)

BSGB

22.2850

11.1425

0.981150

2.494

0.043529

3.245

CSGB

22.3920

11.1960

0.980969

2.433

0.042464

3.327

NSGB

22.0240

11.0120

0.981587

2.531

0.044174

3.196