Spatial resolution

Liang, H.Y, I.I Smolyaninov, J Li, V Nagarajan, Ramamoorthy Ramesh, C.C Davis, and C.H Lee. "Electric field induced SHG in PZT thin films studied using near-field scanning optical microscopy." OSA Trends in Optics and Photonics Series. Vol. 88. Optical Society of American (OSA), 2003. 1685–1686.

Perry, Dale L, Albert C Thompson, Richard E Russo, Xianglei Mao, and Karen L Chapman. "Characterization of quaternary metal oxide films by synchrotron X-ray fluorescence microprobe." Applied Spectroscopy 51.12 (1997) 1781–1783.