ORALS

SESSION: SolidStateChemistryWedPM2-R4	Poeppelmeier International Symposium(3rd Intl Symp on Solid State Chemistry for Applications & Sustainable Development)
Wed. 29 Nov. 2023 / Room: Dreams 4
Session Chairs: Julia-Maria Hubner; Session Monitor: TBA

17:15: [SolidStateChemistryWedPM212] OL
FLUOROOXOBORATES: NOVEL CANDIDATES FOR DEEP-UV NONLINEAR OPTICAL MATERIALS
Shilie Pan¹ ; Miriding Mutailipu² ; ¹Xinjiang Technical Inst. of Physics & Chemistry, Urumqi, China; ²Chinese Academy of Sciences, Urumqi, China;
Paper Id: 91 [Abstract]

The ever-growing application of deep-ultraviolet (deep-UV, λ < 200 nm) nonlinear optical (NLO) materials in various fields requires searching for candidates to generate the deep-UV lasers through direct second-harmonic generation (SHG) method. Among them, fluorooxoborates, benefiting from the large optical band gap, high anisotropy and ever-greater possibility to form non-centrosymmetric structures activated by the large polarization of the functionalized [BOxF4-x](x+1)- (x =1, 2 and 3) building blocks, have been considered as the new fertile fields for searching the deep-UV NLO materials. Two series of fluorooxoborates AB4O6F (A = NH4, Na, Rb, Cs, K/Cs and Rb/Cs) and MB5O7F3 (M = Ca, Sr, Mg) were rationally designed and synthesized, which not only inherit the favorable structural characteristics of KBBF, but also possess superior optical properties. Property characterizations reveal that these two series possess the optical properties (deep-UV cutoff edges, large SHG responses, improved growth habit and also large birefringence to ensure the phase matching behavior in the deep-UV spectral region, etc.) required for the deep-UV NLO applications, which make them potential candidates to produce the deep-UV coherent light by the direct SHG process.

References:
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