AI Article Synopsis
- High efficiency laser-light conversion and a short cutoff edge are crucial for ultraviolet (UV) nonlinear-optical (NLO) materials.
- Previous research mostly focused on alkali or alkaline-earth metal phosphates, which showed weak NLO responses.
- The new UV NLO pyrophosphate CsLiCdPO, created by adding transition-metal cadmium and large-radius alkali-metal cesium, demonstrates a strong second-harmonic-generation efficiency and transparency down to 200 nm, paving the way for better UV NLO materials.
Article Abstract
A high efficiency of laser-light conversion and short cutoff edge is essential to an ultraviolet (UV) nonlinear-optical (NLO) material. Previous researches on phosphates were mainly centered on alkali-metal or alkali-earth-metal phosphate systems, resulting in relatively weak NLO responses. Through the introduction of transition-metal cadmium and alkali-metal cesium elements with large radii into the phosphate system, a new UV NLO pyrophosphate, CsLiCdPO, has been synthesized. It exhibits a high second-harmonic-generation (SHG) efficiency of 1.5KHPO and is transparent down to 200 nm. This work provides a new path for the design of UV NLO materials with high SHG efficiencies and short cutoff edges by introducing a transition metal with a d electron configuration and an alkali metal with a large radius into phosphate systems.
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| http://dx.doi.org/10.1021/acs.inorgchem.6b02278 | DOI Listing |
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