Imaging of Ferroelectric Micro-Domains in X-Cut Lithium Niobate by Confocal Second Harmonic Microscopy
G. Berth, V. Wiedemeier, K.-P. Hüsch, L. Gui, H. Hu, W. Sohler, A. Zrenner, Ferroelectrics 389 (2009) 132–141.