Conspectus Second-harmonic-generation (SHG) causes the frequency doubling of light,
which is very useful for generating high-energy lasers with specific wavelengths …

Metal− organic frameworks (MOFs), also known as coordination polymers, represent an
interesting type of solid crystalline materials that can be straightforwardly self‐assembled …

Conspectus Solid-state materials with extended structures have revealed many interesting
structure-related characteristics. Among many, materials crystallizing in noncentrosymmetric …

Strong second-harmonic generation (SHG) and a wide band gap are two crucial but often
conflicting parameters that must be optimized for practical nonlinear optical (NLO) materials …

LiCs2PO4, a new deep-ultraviolet (UV) transparent material, was synthesized by the flux
method. The material contains unusual edge-sharing LiO4-PO4 tetrahedra. It exhibits a very …

The last five years have witnessed a huge breakthrough in the creation and the study of the
properties of a new class of compounds–metamaterials. The next stage of this technological …

The development of frequency-conversion technology in the infrared region is in urgent
need of new excellent infrared nonlinear optical (IR NLO) materials. How to achieve a good …

Metal iodates with a lone-pair containing I (V) in an asymmetric coordination geometry can
form a diversity of unusual structures, including non-centrosymmetric (NCS) structures with …

Noncentrosymmetric (NCS) materials feature an exciting array of functionalities such as
nonlinear optical (NLO) responses and topological spin textures (skyrmions). While NLO …

A new series of alkaline–alkaline earth fluoride carbonates (KSrCO3F, RbSrCO3F,
KCaCO3F, RbCaCO3F, CsCaCO3F, and Cs3Ba4 (CO3) 3F5) were synthesized by …