Crystals, Volume 7, Issue 3

Single crystals of two hybrid organic-inorganic molecular solids, benzyl pyridinium tetra(isothiocyanate)cobalt ([BzPy]₂[Co(NCS)₄]) (1) and benzyl quinolinium tetra(isothiocyanate)cobalt ([BzQl]₂[Co(NCS)₄]) (2), were grown using a slow evaporation gr...

In the present study the thermal structure evolution is reviewed for known nonlinear optical borates such as β-BaB₂O₄, LiB₃O₅, CsLiB₆O₁₀, Li₂B₄O₇, K₂Al₂B₂O₇, and α-BiB₃O₆, based on single-crystal and powder X-ray diffraction data collected over wide...

Two Planar Pt electrodes with an inter-electrode distance of about 100 nm were fabricated at the surface of BiFeO₃ thin films, which allow the manipulation of ferroelectric domain switching at nanoscale. This electrode configuration was pursued to st...

Perovskites Sr_xCa_1−xCrO₃ attract much attention due to the controversy on the anomalous electronic state. In this study, we synthesized a series of Sr_xCa_1−xCrO₃ (0 ≤ x ≤ 1) single crystals under high pressure and high temperature conditions with self...

The crystal and molecular structures of five succinimidyl halobenzoates are reported. Corresponding derivatives with the respective halo-radionuclide (¹⁸F, ⁷⁶Br, ¹²³I/¹²⁴I/¹²⁵I/¹³¹I) were prepared and used for the radiolabeling of biologically active...

Crystal growth and thermal properties of binary borates, Ca₃RE₂(BO₃)₄ (RE = Y, Gd, Nd), are considered promising crystals for laser applications. These single crystals were grown by the Czochralski method. The crystal and defect structure were charac...

The improved Johnson inclusion core model of indentation by conical and pyramidal indenters in which indenter is elastically deformed and a specimen is elastoplastically deformed under von Mises yield condition, was used for determination of mechanic...

Alkanes are important building blocks of organics, polymers and biomolecules. The conditions that lead to ordering of alkanes at interfaces, and whether interfacial ordering of the molecules leads to heterogeneous crystal nucleation of alkanes or sur...

A finite element method is used here to simulate the temperature field, the thermosolutal convection, the solute segregation, and the non-isothermal phase transformation during the growth of ZnTe crystal via the temperature gradient solution growth t...

Treatment of 1-(4′-methoxy or ethoxy phenyl)-4,4,4-trifluoro-1,3-butanedione with europium (III) chloride in the presence of piperidine resulted in the halide ligands exchange yielded new piperidinium tetrakis{1-(4′-methoxy or ethoxy phenyl)-4,4,4-tr...

In this work, crystal structures of commercially available photochromic compounds, i.e., spiropyrans and spirooxazines, were investigated by single-crystal X-ray diffraction. A total of five new structures were obtained via isothermal evaporation exp...

Abstract: High quality and large size Al-doped CsLiB₆O₁₀ (CLBO) single crystals have been successfully grown by top-seeded solution growth (TSSG) technique using Cs₂O–Li₂O–MoO₃ fluxes. The advantages of this newly developed flux system were investiga...

Two new two-dimensional (2D) layer coordination polymers—namely, [Cd(L)₂]_n (1) and [Co(L)₂(H₂O)]_n (2)—were synthesized by the reaction of corresponding metal salts with 3-(1H-imidazol-4-yl)benzoic acid (HL) incorporating 4-imidazolyl and carboxylate...

In this work, Aurivillius-phase Bi₈Fe_4-xCo_xTi₃O₂₄ (7-BFCT, 0 ≤ x ≤ 0.4) powders and ceramics were successfully prepared by the combination of citrate combustion and hot-press methods. X-ray diffraction (XRD) and high-resolution transmission electron...

A novel photoactive complex was constructed from two non-photoactive ligands and cobalt (II) ions. Upon ultra violet (UV) irradiation (365 nm), the color of complex 1 changes from orange to violet. The ESR spectrum indicates that the photoactive phen...

Antireflective (AR) coatings with photocatalytic activity for solar cover glasses are extensively investigated at present, mostly in multilayer systems including titania. In this study, bifunctional single coats from porous silica in combination with...

In this work, a series of quaternary Al_xIn_yGa_1−x−yN thin films have been successfully achieved using metal organic chemical vapor deposition (MOCVD) method with adjustable trimethylaluminum (TMA) flows. Surface morphology and optical properties of Al...

Materials with strong spin-orbit interaction and superconductivity are candidates for topological superconductors that may host Majorana fermions (MFs) at the edges/surfaces/vortex cores. Bulk-superconducting carrier-doped topological crystalline ins...

A new 1D chained Ca(II) coordination polymer—namely, [CaL₂(H₂O)₂]_n (HL = 3,5-bis(4-pyridylmethoxy)benzoic acid)—was synthesized though the reaction of Ca(ClO₄)₂·4H₂O, 3,5-bis(4-pyridylmethoxy)benzoic acid and NaOH in H₂O/CH₃CH₂OH (v:v = 1:2) solution...

In this article, a ferroelectric liquid crystal (FLC) dammann grating (DG) is demonstrated based on the patterned photoalignment technology. By applying low electric field (10 V) on the FLC DG, the grating can switch between a diffractive state with...

3-(2-Bromo-4-(1-methylethyl)phenyl)-1,1-dimethylurea was synthesized and structurally characterized at 296 K, 200 K and 140 K. A reversible thermal phase transformation was observed at ~170–180 K. On cooling, the structure transforms from a monoclini...

Two-dimensional (2D) transient numerical simulations are performed to investigate the evolution of the thermal and flow fields during the growth of multi-crystalline silicon ingots with two different silicon feedstock capacities, 800 kg and 1600 kg....

Four coordinated complexes Mn_xNi_(1−x)(C₂H₆N₂O)₆SO₄ (x=0, 0.33, 0.75, 0.90) were synthesized and characterized. Single-crystal X-ray analysis revealed that the complexes belong to the trigonal crystal family, R-3c space group. Spiral and terraced nucl...

Cu₂SnSe₃ material is regarded as a potential thermoelectric material due to its relatively high carrier mobility and low thermal conductivity. In this study, graphene was introduced into the Cu₂SnSe₃ powder by ball milling, and the bulk graphene/Cu₂S...

Pathological crystallization of calcium oxalate (CaOx) inside the urinary tract is called calculi or kidney stone (Urolithiasis). CaOx exhibits three crystalline types in nature: CaOx monohydrate COM, dihydrate COD and trihydrate COT. COD and COM are...

We report on the growth of multiferroic Yb₂CoMnO₆ and Lu₂CoMnO₆ single crystals which were synthesized by the flux method with Bi₂O₃. Yb₂CoMnO₆ and Lu₂CoMnO₆ crystallize in a double-perovskite structure with a monoclinic P2₁/n space group. Bulk magne...

The optical absorption coefficient of graphene will change after injecting carriers. Based on this principle, a high-speed double-layer graphene electro-optic modulator with a ring resonator structure was designed in this paper. From the numerical si...

Design of novel multisegmented magnetic nanowires can pave the way for the next generation of data storage media and logical devices, magnonic crystals, or in magneto-plasmonics, among other energy conversion, recovery, and storage technological appl...

Dilute bismide in which a small amount of bismuth is incorporated to host III-Vs is the least studied III-V compound semiconductor and has received steadily increasing attention since 2000. In this paper, we review theoretical predictions of physical...

This Special Issue aims at gaining a deeper understanding on the relationship between the underlying structural order and the resulting physical properties in aperiodic systems, including quasicrystalline and related complex metallic alloys, photonic...

The thermal dependent principal refractive indices of a new promising IR nonlinear optical crystal BaGa₄Se₇ at wavelengths of 0.546, 0.5806, 0.644, 0.7065, 1.530, 1.970, and 2.325μm were measured by using the vertical incidence method within the temp...