. 2013 Oct 21;3:2999. doi: 10.1038/srep02999

Table 1. High-frequency () and static () dielectric constant and effective Born charges (Z*) of wurtzite ZnO, for electric field polarization parallel and perpendicular to the c-axis. Corresponding experimental values are reported in parenthesis.

			Z*
	3.14 (3.78)^{^a}	7.76 (8.91)^{^a}	2.12
	3.08 (3.70)^{^a}	6.98 (7.77)^{^a}	2.06 (2.02)^{^b}

^afrom Ref. 3.

^bfrom Ref. 27.