Structural field of K2Al2B2O7-family crystals

Victor V. Atuchin; Bair G. Bazarov; Victoria G. Grossman; Maxim S. Molokeev; Zhibzema G. Bazarova

doi:10.1117/12.2017099

8 May 2013 Structural field of K₂Al₂B₂O₇-family crystals

Victor V. Atuchin, Bair G. Bazarov, Victoria G. Grossman, Maxim S. Molokeev, Zhibzema G. Bazarova

Proceedings Volume 8772, Nonlinear Optics and Applications VII; 87721O (2013) https://doi.org/10.1117/12.2017099
Event: SPIE Optics + Optoelectronics, 2013, Prague, Czech Republic

Abstract

The known crystal structures of borate compounds with general composition A^I ₂MIII ₂B₂O₇ (AI: Na, K, Cs, Rb) have been considered. The structures in space groups P63/m, P-3₁c, P321 and P21/c have been found depending on cation combination. Criterion k = (r(M^III)+r(B)+2r(O))/r(A^I) has been formulated and it controls the formation of trigonal K2Al2B2O7 (KABO) type structure. The existence of noncentrosymmetric KABO-type borates is possible over the range of k = 2.7 – 2.06. This range is promising for searching new borate crystals and solid solutions with pronounced nonlinear optical properties.

Citation Download Citation

Victor V. Atuchin, Bair G. Bazarov, Victoria G. Grossman, Maxim S. Molokeev, and Zhibzema G. Bazarova "Structural field of K₂Al₂B₂O₇-family crystals", Proc. SPIE 8772, Nonlinear Optics and Applications VII, 87721O (8 May 2013); https://doi.org/10.1117/12.2017099

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