Nonlinear optical (NLO) crystals possess a frequency conversion capability that is significant for national defense and civil applications. Noncentrosymmetry (NCS) is a prerequisite for second-order NLO materials, but designing NCS structures is a challenging task.
Click here for original story, Wide-spectrum NLO materials obtained by polycation-substitution-induced NLO-functional motif ordering
Source: Phys.org