Figure 4

(a) A Williamson-Hall plot obtained from FWHM data for the major reflections (inset) in the XRD pattern for undoped and C-doped samples. (b) Non-uniform strain calculated from W-H plot as a function of nominal B4C content.

(a) A Williamson-Hall plot obtained from FWHM data for the major reflections (inset) in the XRD pattern for undoped and C-doped samples. (b) Non-uniform strain calculated from W-H plot as a function of nominal B4C content.