Fig. 2

The high-resolution reciprocal space maps (RSMs). (a–f) (002), (112) and \((1\bar 12)\) diffractions of the nonvicinal and vicinal samples at 298 K, respectively. (g–l) (002), (112) and \((1\bar 12)\) diffractions of the nonvicinal and vicinal samples at 373 K, respectively