Potentials of LiGa(S1−xSex)2 mixed crystals for optical frequency conversion

Core level photoelectron spectroscopy of LiGaS2 and Ga–S bonding in complex sulfides

“…Lithium thiogallate LiGaS 2 (LGS) is a noncentrosymmetric crystal with appropriate birefringence and relatively high NLO coefficients promising for effective optical frequency conversion [19][20][21]. The crystal structure of LGS, space group Pbn2 1 , a = 6.5133 Å, b = 7.8629 Å, c = 6.2175 Å, is determined by singlecrystal analysis to be a dense packing of atoms with tetrahedral and octahedral cavities [19,22].…”

Optical Nonlinearity in Cu2CdSnS4 and α/β-Cu2ZnSiS4: Diamond-like Semiconductors with High Laser-Damage Thresholds

“…6 Additionally, DLSs provide chemical flexibility that can be exploited to tune properties, such as phase matching and refractive index. 7,8 High optical nonlinearity arises in DLSs as a consequence of predominantly covalent bonding. Indeed, DLSs dominate the list of commercially available materials, e.g., AgGaS 2 , AgGaSe 2 , and ZnGeP 2 .…”

“…In contrast, diamond-like semiconductors (DLSs) provide a reliable route to attractive SHG materials because their compositions are predictable and the structures are inherently NCS because the MS 4 tetrahedra align in one direction . Additionally, DLSs provide chemical flexibility that can be exploited to tune properties, such as phase matching and refractive index. , High optical nonlinearity arises in DLSs as a consequence of predominantly covalent bonding. Indeed, DLSs dominate the list of commercially available materials, e.g., AgGaS 2 , AgGaSe 2 , and ZnGeP 2 …”

Single crystal preparation and properties of the AgGaGeS4–AgGaGe3Se8 solid solution

“…However, an increase in structural disorder in cation sublattice is found with an increase in AgGaGe 3 Se 8 content in the solid solution. Earlier the behavior of structural and optical properties with composition variation was considered for many halcogenide solid solutions with substitution in cation or anion sublattices [7][8][9]20,22,[26][27][28][29][30][31]. The case of AgGaGeS 4 -AgGaGe 3 Se 8 system is evidently more complicated because atomic substitutions proceed in both cation and anion sublattices in parallel.…”