Table 1
Thed-spacings for the experimental data (calculated from SAED), copper (ICDD PDF No. 004–0836)
Experimental	Copper
d-spacing (Å)	Plane (hkl)	d-spacing (Å)
2.14	<1 1 1>	2.088
1.87	<2 0 0>	1.808
1.25	<2 2 0>	1.278

Suárez-Guevara et al. Nanoscale Research Letters 2012 7:521   doi:10.1186/1556-276X-7-521