Through systematic analyses on the relationship between crystal structure and NLO effects, a new crystal, Li 4Rb 3B 7O 14, was designed and subsequently synthesized through solid state reaction, which is isomorphic with Li 4Cs 3B 7O 14 and exhibits a short UV cutoff edge (below 190 nm) and a SHG response of 2/3 × KDP. Discover daily channel statistics, earnings, subscriber attribute, relevant YouTubers and videos. The results reveal that the “charge-transfer excitation” from the non-bonding 2p occupied states of O atoms to the π* and 2p unoccupied states of the BO 3 substructure in BO groups is the key mechanism of NLO properties of this material family. Check NLO YouTube statistics and Real-Time subscriber count.

in social networks: Facebook, Instagram, TikTok, YouTube and others. The mechanism of NLO properties of this class of crystals was studied using band-resolved and SHG-density methods based on the first-principles theory. At the moment I am the Head of the Promotion Department at the NLO Marketing Agency. All of the three crystals exhibit a short UV cutoff edge (below 190 nm) and share a class of topologically similar BO groups interconnected by LiO n ( n = 4, 5), Rb/CsO n ( n = 8, 9, 10). Exploration on the compounds in the complex alkali metal borate system had resulted in the discovery of a class of deep-ultraviolet second-order nonlinear optical (NLO) materials, including Li 3Cs 2B 5O 10 (元CBO), Li 4Cs 3B 7O 14 (L4CBO), and Li 6Rb 5B 11O 22 (L6RBO), which can be reduced to a general formula of Li nM n−1B 2 n−1O 4 n−2 (M = Cs/Rb, n = 3, 4, 6).

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