Rare-Earth/d Dual-Metal Oxychalcogenides as Infrared Nonlinear-Optical Materials.

Oxychalcogenides are receiving increasing interest as nonlinear-optical (NLO) materials because of the possible combination of advantages from oxides and chalcogenides. Here, two new pentanary oxythiogermanates EuMGeOS [M = Zn (), Cd ()] were obtained by the facile metal oxide-boron-sulfur solid-state route. They crystallize with a melilite-type structure and feature {[MGeOS]} layers built by GeOS dimers and MS tetrahedra.

The encapsulation rate and pH sensitivity of arsenic were improved in liposome nanoparticles by the calcium acetate gradient method.

The study proposed improving the arsenic encapsulation efficiency (EE) in liposomes and make it pH responsive. Liposomes were prepared using the ethanol injection method (EIM), thin film dispersion method (TFM) and CAGM with sodium arsenite (NaAsO). The orthogonal experimental was used to optimize the preparation conditions of the CAGM.

FDX1 as a novel biomarker and treatment target for stomach adenocarcinoma.

Background: Stomach adenocarcinoma (STAD) is one of the main reasons for cancer-related deaths worldwide. This investigation aimed to define the connection between STAD and Cuproptosis-related genes (CRGs). Cuproptosis is a newly identified form of mitochondrial cell death triggered by copper.

KBaMFCl (M = Zr, Hf): novel short-wavelength mixed metal halides with the largest second-harmonic generation responses contributed by mixed functional moieties.

The development of short-wavelength nonlinear optical (NLO) materials is indispensable and urgently required for further applications. Halides have been disregarded as potential NLO materials with deep-ultraviolet (DUV) cutoff edges due to their weak second-harmonic generation (SHG) response and poor birefringence. Here, two novel and isostructural halides, KBaMFCl (M = Zr (KBZFC), Hf (KBHFC)), possess structures that are formed by isolated MF monocapped triangular prisms and dissociative K, Ba, and Cl ions.

HgBr: an easily growing wide-spectrum birefringent crystal.

Birefringent materials are of great significance to the development of modern optical technology; however, research on halide birefringent crystals with a wide transparent range remains limited. In this work, mercuric bromide (HgBr) has been investigated for the first time as a promising birefringent material with a wide transparent window spanning from ultraviolet (UV) to far-infrared (far-IR) spectral regions (0.34-22.

Design of Pentanary Mixed-Chalcogenides AgInSiSSe ( = 1, 2) Based on the Bucket Effect: Local Structural Difference and High-Performance Nonlinear-Optical Properties Realized by Partial Congener Substitution.

Noncentrosymmetric chalcogenides are promising candidates for infrared nonlinear-optical (NLO) crystals, and exploring high-performance ones is a hot topic and challengeable. Herein, the combination of AgQ, InQ, and SiQ (Q = S, Se) units with different S/Se ratios resulted in the discovery of the tetrahedral chalcogenides AgInSiSSe () and AgInSiSSe (). They both crystallize in the monoclinic space group with different local structures.

Pentanary Oxythiogermanates BaMGeOS (M = Ca, Zn) Featuring [GeOS] Trimers and {[MGeOS]} Chains: Structural Chemistry and Physical Properties.

Oxychalcogenides are increasingly attracting wide attention because they contain multiple anions that may combine the advantages of oxides and chalcogenides. In this work, two new pentanary oxythiogermanates, BaMGeOS [M = Ca (), Zn ()], were synthesized by a high-temperature solid-state reaction. They crystallize in the orthorhombic space group , and their structures contain isolated [GeOS] units constructed by one [GeOS] and two [GeOS] tetrahedra that link with M ions to build the {[MGeOS]} chain, representing a new type of oxythiogermanate.

Polysubstitution Induced Centrosymmetric-to-Noncentrosymmetric Structural Transformation and Nonlinear-Optical Behavior: The Case of NaAgGaSe.

Obtaining compounds with large nonlinear-optical (NLO) coefficients and wide band gaps is challenging due to their competitive requirements for chemical bonds. Herein, the first member with mixed cations on the A site in the A-M-Q or A-Ag-M-Q (A = alkali metal; M = Ga, In; Q = S, Se, Te) family, NaAgGaSe (NAGSe), was obtained by a solid-state reaction. Its structure features [GaSe] tetrahedra built three-dimensional {[GaSe]} network, with Na and Na/Ag cations located at the octahedral cavities.

Exploring a new short-wavelength nonlinear optical fluoride material featuring unprecedented polar -[ZrF] clusters.

Traditional fluorides are rarely reported as candidates for nonlinear optical (NLO) materials featuring a deep-ultraviolet cutoff edge. Theoretical investigations suggest that the ZrF dodecahedron shows large polarizability anisotropy and benefits for large birefringence. Herein, a new fluorine-rich fluoride, KBaZrF, was synthesized by coupling the ZrF group, featuring acentric -[ZrF] clusters with a 6-screw axis.

KREPS (RE = Sm, Gd, Tb, Dy): A Series of Polar Rare-Earth Thiophosphates with High Laser-Induced Damage Thresholds and Moderate Nonlinear-Optical Responses Synergistically Contributed by Isolated PS Units and {[RES]} Layers.

As one of the potential candidates of nonlinear-optical (NLO) materials, rare-earth chalcophosphates have demonstrated promising properties. Here, KREPS (RE = Sm, Gd, Tb, Dy) were synthesized using the facile REO-B-S solid-state method. They crystallize with a monoclinic chiral 2 structure, and their layer structures are built by isolated ethane-like PS dimers and RES bicapped trigonal prisms built {[RES]} layers.

Biomechanical forces and force-triggered drug delivery in tumor neovascularization.

Tumor angiogenesis is one of the typical hallmarks of tumor occurrence and development, and tumor neovascularization also exhibits distinct characteristics from normal blood vessels. As the number of cells and matrix inside the tumor increases, the biomechanical force is enhanced, specifically manifested as solid stress, fluid stress, stiffness, and topology. This mechanical microenvironment also provides shelter for tumors and intensifies angiogenesis, providing oxygen and nutritional support for tumor progression.

NaREPSe (RE = Y, Sm, Gd-Dy): Quaternary Rare-Earth Selenophosphates with Unique 3D {[REPSe]} Framework Built by RESe and PSe Motifs and Multiple Properties.

Rare-earth (RE) chalcophosphates have been widely studied because of their abundant structures. Here, five new RE selenophosphates, NaREPSe (RE = Y, Sm, Gd-Dy), were synthesized by a facile RE oxide-boron-selenium solid-state route. They crystallize in the triclinic 1̅ space group, featuring three-dimensional (3D) structures constructed by RESe and PSe motifs, different from common 2D RE chalcophosphates A-RE-P-Q (A = alkali metal; Q = S, Se) system.

EuMGeOS (M = Mn, Fe, Co): Three Melilite-Type Rare-Earth Oxythiogermanates Exhibiting Balanced Nonlinear-Optical Behaviors.

Metal oxychalcogenides as candidates for novel mid-infrared nonlinear-optical materials have attracted great interest due to the distinctive advantages of oxides and chalcogenides in this field. Herein, the first melilite-type rare-earth (RE) oxythiogermanates EuMGeOS [M = Mn (), Fe (), Co ()] are obtained by combining RE metals with localized f electrons, magnetic transition metals with delocalized d electrons, and the highly distorted mixed anionic group [GeOS] into one structure. They belong to the tetragonal 4̅2 space group, and highly distorted [EuOS] bicapped trigonal prisms bridge adjacent {[MGeOS]} layers to build the three-dimensional network.

Dual Monomeric Inorganic Units Constructed Bright Emissive Zero-Dimensional Antimony Chlorides with Solvent-Induced Reversible Structural Transition.

AMX and AMX families (A = monovalent organic cation; M = trivalent metal; X = halogen) are receiving increasing attention because of their combination of easy solution processability and superior ferroelectricity properties. However, synthesizing highly efficient AMX and AMX-type fluorophores with multiple monomeric inorganic units and achieving their structural interconversion remains challenging. Here, we report two novel zero-dimensional (0D) antimony halides, (CHN)SbCl·CHN () and (CHN)SbCl (), which not only contain two distinct [SbX] units but also have excellent orange (590 nm) and yellow-green emission (540 nm) with high PLQY of 17.

KHgGaS: A Hg-Based Sulfide with Nonlinear-Optical Activity in the A-M-M-Q (A = Alkali Metal; M = d Metal; M = Ga, In; Q = S, Se) System.

The search for new high-performance infrared (IR) nonlinear-optical (NLO) materials is a hot topic in the fields of laser chemistry and inorganic solid-state chemistry. Here, a new Hg-based sulfide KHgGaS in the family of A-M-M-Q (A = alkali metal; M = d metal; M = Ga, In; Q = S, Se) was synthesized. It crystallizes in the orthogonal system of the 222 structure, which is rare for IR NLO chalcogenides.

Three-in-One Strategy Constructing the First High-Performance Nonlinear Optical Sulfide Crystallizing with the P4 Space Group.

The balance between large nonlinear optical (NLO) effect and wide bandgap is the key scientific issue for the exploration of infrared NLO materials. Targeting this issue, two new pentanary chalcogenides KGaGe Sn S (1) and KGaGe Sn Se (2) are obtained by the three-in-one strategy, viz. three types of fourfold-coordinated metal elements co-occupying the same site.

Mixed Rare-Earth Chalcogenide Borate EuREMgSBO (RE = Sm, Gd) Featuring a 3D {[BO]} Framework Connected by [BO(O)] and [BO(O)] Clusters.

Rare-earth (RE) chalcogenide borates are very rarely discovered in view of the difficulties in synthesis though they have demonstrated attractive physical performances. Here, the first mixed RE chalcogenide borates EuSmMgSBO () and EuGdMgSBO () are synthesized by combining RE, sulfur, and borate ions into one structure. They crystallize in the centrosymmetric hexagonal space group 6/, and their 3D honeycomb-like {[BO]} open frameworks are built by [BO(O)] and [BO(O)] polyanionic clusters and consolidated by Mg ions; both of which are formed by BO tetrahedra and BO planar triangles.

The first quaternary rare-earth oxythiogermanate with second-harmonic generation and ferromagnetic behavior.

The discovery of new functional materials is attractive since they have the opportunity to change some important fields. Of these materials, oxychalcogenides constitute an increasing type of nonlinear optical (NLO) material. Herein, a new rare-earth oxythiogermanate EuGeOS crystallizing with a polar orthorhombic 2 structure is studied.

Multi-Stimuli Responsive Luminescence and Domino Phase Transition of Hybrid Copper Halides with Nonlinear Optical Switching Behavior.

Although phase transition materials (PTMs) under external stimuli are of great research interest duo to their rich potential applications, it is still challenging to explore multi-responsive PTMs. Herein, two different phases of organic-inorganic hybrid copper-based halides, α- and β-Gua Cu I (Gua =CN H ), were synthesized by solvent evaporation method, which they crystalize in the noncentrosymmetric space group Fdd2 with zero-dimensional structure and centrosymmetric space group C2/c with one-dimensional metal-halogen framework, respectively. Interestingly, it is firstly demonstrated that Gua Cu I simultaneously possesses reversible PL conversion and NLO switching properties in response to thermal stimulus.