Crystal growth, thermal expansion, pyroelectricity and vibrational spectroscopy of barium antimony tartrate, Ba[Sb2((+)C4H2O6)2]·3H2O

Two New Polar Antimony(III) Tartrates with Unusual Structural Building Units

“…The possibility of compensation (to a more or less degree) of the rotatory contributions with different sign of the tartrate molecule and of the structural arrangement of the tartrate crystal was also observed in our own studies of further optically active tartrate and antimony tartrate crystals. [6,25,26] From the principal refractive indices and their dispersion possibilities for collinear phase matching for SHG were analyzed within the investigated wavelength range. The crystals allow type I phase matching (where type I refers to ss-f interaction, with s = slow wave and f = fast wave) for wavelengths in the infrared region, starting at 𝜆 = 1.0103 μm where noncritical phase matching for incidence direction perpendicular to the optic axis (c axis) is possible.…”

“…The vibrational bands were assigned according to previous studies concerning vibrational spectra of metal tartrates, [28] Ba[Sb 2 (C 4 H 2 O 6 ) 2 ]•3H 2 O. [25] and thallium oxide. [29] The assignment of the bands corresponding to the O-H stretching vibration is in accordance with the published correlation curves (donor- acceptor distance of appropriate hydrogen bond vs. positions of vibrational bands).…”

“…In the group of simple (optically active) antimony(III) tartrates of monovalent cations, M I 2 [Sb 2 (C 4 H 2 O 6 ) 2 ]•xH 2 O, the crystal structures of some alkali metal compounds as well as the ammonium compound are known in literature (see, e.g., refs. [1][2][3][4]) Also, the simple antimony(III) tartrates of bivalent cations DOI: 10.1002/crat.202300194…”

Remarkable Infrared Nonlinear Optical, Dielectric, and Strong Diamagnetic Characteristics of Semiconducting K3[BiS3]

“…SHG for NLO materials was reported for the first time for quartz using a pulsed laser in 1961 by Franken et al Several NLO materials such as LiNbO 3 , KH 2 PO 4 , KTiO 2 PO 4 , and BaB 2 O 4 were subsequently presented as reference materials for SHG and THG for a large range of fundamental excitation wavelengths. Among a variety of organic and inorganic NLO materials for SHG compounds such as barium tartrates, indium iodates, lanthanum nitrates, alkali metal zinc carbonates, and nontoxic ternary lead-free metal halides, − currently, bismuth-based compounds are attracting a great deal of interest because of their SHG properties. − Despite the position of bismuth in the periodic table, surrounded by toxic heavy metals, it is a nontoxic eco-friendly element, and bismuth-containing compounds are considered as green element representatives . In most of the bismuthates introduced for NLO applications, the bismuth ions are coordinated by halide or oxide moieties that commonly display SHG for the ultraviolet or visible region. − Materials with sulfur and/or selenide coordination, such as AgGaS 2 , a benchmark material for infrared NLO, CuGaS 2 , and AgGaSe 2 chalcopyrites, exhibit efficient SHG in the infrared region due to the highly polarizable metal–chalcogen bonds.…”

“…9,10 SHG for NLO materials was reported for the first time for quartz using a pulsed laser in 1961 by Franken et al 11 Several NLO materials such as LiNbO 3 , 12 KH 2 PO 4 , 13 KTiO 2 PO 4 , 13 and BaB 2 O 4 13 were subsequently presented as reference materials for SHG and THG for a large range of fundamental excitation wavelengths. Among a variety of organic and inorganic NLO materials for SHG compounds such as barium tartrates, 14 indium iodates, 15 lanthanum nitrates, 16 alkali metal zinc carbonates, 17 and nontoxic ternary lead-free metal halides, 18−20 currently, bismuth-based compounds are attracting a great deal of interest because of their SHG properties. 21−23 Despite the position of bismuth in the periodic table, surrounded by toxic heavy metals, it is a nontoxic eco-friendly element, and bismuth-containing compounds are considered as green element representatives.…”