Figure 3
X-ray 400 Bragg reflection images and RCI maps for four selected type IIa HPHT diamond crystal plates in the (100) orientation. Columns are as in Fig. 1: (a) X-ray images at the peak of the crystal-integrated rocking curve, (b) the Bragg reflection angular widths and (c) the center of mass of the Bragg reflection angular dependences. Rows correspond to crystals: (1) VB4, (2) VB5, (3) VB6 and (4) D3. The red grids in column (a) indicate the ROIs, similar to Fig. 2(c). |