μ-XRD pattern obtained by a 100 × 9-μm2 focused beam. The small footprint allows for probing a single tube along its axis. The experimental data (red circles) are compared to a calculated pattern (black line) using the parameters obtained from the ensemble measured in Figure 4.
Deneke et al. Nanoscale Research Letters 2011 6:621 doi:10.1186/1556-276X-6-621