Crystals, Volume 9, Issue 11

A new superconducting field-effect transistor (FET) in the vicinity of bandwidth-controlled Mott transition was developed using molecular strongly correlated system κ-(BEDT-TTF)₂Cu[N(CN)₂]Br [BEDT-TTF = bis(ethylenedithio)tetrathiafulvalene] laminate...

In this work, the effect of cold rolling and heat treatment upon the microstructure and texture of the surface layer and cross-section of Ni5W alloy substrate was analyzed via the EBSD technique. A typical copper deformation texture was shown by the...

Two interpenetrated coordination polymers (CPs) {[Zn1(L)(NO₂pbda)]_n[Zn2(L)(NO₂pbda)]_n} (1) and [Zn(L)(Brpbda)]_n (2) were prepared by reactions of zinc sulfate heptahydrate with N-donor ligands of 1,4-di(1H-imidazol-4-yl)benzene (L) and auxiliary carb...

A new heterotetranuclear complex, [{Zn(L)Sm(NO₃)₃}₂(4,4′-bipy)]·2CH₃OH, was synthesized via an unsymmetrical single salamo-like ligand H₂L: 6-methoxy-6′-ethoxy-2,2′-[ethylenedioxybis(azinomethyl)]diphenol, with Zn(OAc)₂&middo...

In this short commentary, we discuss a fundamental reason why two different semiconductor technologies are needed for complementary thin-film transistor (TFT) operations. It is mainly related to an energy-level matching between the band edge of the s...

Many Zintl phases exhibiting a CrB type structure form hydrides. Systematic studies of AeTtH_x (Ae = Ca, Sr, Ba; Tt = Si, Ge, Sn), LnTtH_x (Ln = La, Nd; Tt = Si, Ge, Sn), and LnGaH_x (Ln = Nd, Gd) showed the vast structural diversity of these systems. H...

In this study, we propose driving the amorphous blue phase III (BPIII) with a tilted electric field to enhance or magnify its inherent linear electro-optical properties. The electro-optical properties of in-plane-switching (IPS) BPIII and tilted-fiel...

N-(3-nitrophenyl)cinnamamide 1 with formula C₁₅H₁₂N₂O₃ was synthesized, and its crystal structure was determined by single-crystal X-ray diffraction analysis. Compound 1 crystallizes in the monoclinic space group P21/n with unit cell dimensions: a =...

Carboxylic ester hydrolases (CEHs), which catalyze the hydrolysis of carboxylic esters to produce alcohol and acid, are identified in three domains of life. In the Protein Data Bank (PDB), 136 crystal structures of bacterial CEHs (424 PDB codes) from...

The dielectric properties of composite materials prepared by the embedding of ferroelectrics potassium dihydrogen phosphate (KDP), cesium dihydrophosphate (CDP), as well as antiferroelectric ammonium dihydrogen phosphate (ADP) into porous glass matri...

Submicron spherical barium titanate (BaTiO₃) was prepared by batch precipitation in an alkaline solution of a BaCl₂–TiCl₄–NaOH reaction system. The influence of various parameters on the morphology of BaTiO₃ powders was investigated in th...

In this study, the thermal cyclic properties of Ti-(50−x)Pd-xPt-5Zr alloys (x = 5, 15, 25, at%), comprising B2 and B19 structures in austenite and martensite, were investigated by a thermal cyclic compression test under a constant load of betwe...

A unprecedented hetero-bimetallic 3d-4f BDC-salamo-based coordination polymer, [(L)Ni(BDC)Gd(NO₃)(DMF)] was prepared and validated via elemental analyses, IR and UV–Visible absorption spectra, DFT calculation, and X-ray crystallography. The six...

1,2,4-Triazole and its derivatives have been investigated extensively in the construction of coordination polymers. Using a 1,2,4-triazole ligand 1,3-di-(1,2,4-triazole-4-yl)benzene (dtb), a new three-dimensional coordination polymer, {[Cd₂(dtb)₂(SO₄...

The micropillar compression test is a novel experiment to study the mechanical properties of materials at small length scales of micro and nano. The results of the micropillar compression experiments show that the strength of the material depends on...

Samarium-doped La₃Nb_0.5Ga_5.5O₁₄ (Sm:LGN) crystals were grown along a (100)-orientation by the Bridgman method for quasi-parametric chirped pulse amplification (QPCPA) applications. The structure of La_1-xS_xmGN (x = 0.1, 0.2) crystals was the same as t...

Synchrotron X-ray Scanning Tunneling Microscopy (SX-STM) is a novel imaging technique capable of providing real space chemically specific mapping with a potential of reaching atomic resolution. Determination of chemical composition along with ultra-h...

In this work, we used the chemical vapor transport (CVT) method to grow PbI₂ crystals using iodine as a self-transporting agent. The crystals’ structure, composition, and uniformity were confirmed by X-ray diffraction (XRD) and electron probe m...

Amino acid complexes of transition metals show interesting hydrogen-bonding motifs. In this paper, the syntheses and structures of three β-amino acid complexes of palladium that differ only by the substitution on the β-carbon will be discus...

We have been numerically demonstrated the mechanism of spatial beam filtering with autocloned photonic crystals. The spatial filtering through different configurations of the multilayered structures based on a harmonically modulated substrate profile...

A fine-grained Mg-2Y-0.6Nd-0.6Zr alloy was processed by bar-rolling and equal-channel angular pressing (ECAP). The effect of ECAP on the microstructure and mechanical properties of rolled Mg-2Y-0.6Nd-0.6Zr alloy was investigated by optical microscopy...

The conductive behavior of the perovskite SrTiO ${}_3$ is strongly influenced by the presence of oxygen vacancies in this material, therefore the identification of such defects with spectroscopic methods is of high importance. We use density funct...

The presence of isolated metal cations, far from any other atom, is not uncommon in protein crystal structures. A systematic survey of the Protein Data Bank showed that nearly 8% of the metal cations are naked, more frequently if they can interact on...

The acoustic emission, AE, from avalanches of local cracks and microstructural changes of sandstone under confined compression have been reported. These avalanches soften the underlying minerals and play a key role as indicators for the prediction of...

The re-entrant ferroelectric phase (Sm- $C_{\mathrm{re}}^{*}$ ) is investigated in the framework of a molecular–statistical approach. It was found that anticlinic synpolar along the smectic layer normal phase can arise below the antiferroelectric phase...

Interfaces in heterostructures of crystalline materials could strongly affect the slip of dislocations. Such interfaces have become one of the most popular methods to tailor material strength and ductility. This review focuses on the interaction of d...

In self-lubricating ceramic tools, adding CaF₂ will significantly reduce the mechanical properties of ceramic tools. Based on heterogeneous nucleation theory, we have recently prepared aluminum hydroxide (Al(OH)₃) coating on calcium fluoride (CaF₂) t...

The adhesion feature of graphene on metal substrates is important in graphene synthesis, transfer and applications, as well as for graphene-reinforced metal matrix composites. We investigate the adhesion energy of graphene nanosheets (GNs) on iron su...

Topoisomerase IV, one of the best-established antibacterial targets, is an enzyme crucial for chromosome segregation and cell division by catalyzing changes in DNA topology through breaking and rejoining DNA. This enzyme functions as a heterotetramer...

Light propagation in one-dimensional (1D) photonic crystals (PCs) enclosed in a rectangular waveguide is investigated in order to achieve a complete photonic band gap (PBG) while avoiding the difficulty in fabricating 3D PCs. This work complements ou...

We reported a sandwich structured Pb(Zr_0.4Ti_0.6)O₃/BaZr_0.2T_i0.8O₃/Pb(Zr_0.4Ti_0.6)O₃ (PZT/BZT/PZT) film fabricated by using the sol–gel method, which was dense and uniform with a unique perovskite structure. The PZT/BZT/PZT films displayed high dielect...

A new polymorph of 1H-nicotineamidium chloride salt, (C₆H₇N₂O)⁺·Cl⁻, was grown by slow evaporation at room temperature. It crystallizes in the monoclinic space group P2₁/m. The crystal structure study shows that the organic cations (C₆H₇...

Aluminosilicate gels form geopolymers and nanocrystalline zeolites which have comparable strength properties, making them a potential replacement for ordinary Portland cement. The study explores the use of two untreated industrial wastes, Class-F fly...

New single crystals, based on 2-methylbenzimidazole (MBI), of MBI-phosphite (C₁₆H₂₄N₄O₇P₂), MBI-phosphate-1 (C₁₆H₂₄N₄O₉P₂), and MBI-phosphate-2 (C₈H₁₆N₂O₉P₂) were obtained by slow evaporation method from a mixture of alcohol solution of MBI crystals...

The creation of metastable particle-like structures in frustrated (unwound) chiral nematic film containing light-absorbing additive is studied. It is shown that such localized structures can be generated by the thermo-optical action of a focused lase...

One dimensional ZnO nanostructures prepared by favorable and simple solution growth methods are at the forefront of this research. Vertically oriented ZnO nanorods with uniform physical properties require high-quality seed layers with a narrow size d...

In order to seek for new Raman crystals, the manuscript presented the discussion on the Raman frequency of α-quartz, β-quartz, as well as Pb⁴⁺-doped SiO₂ crystals at different temperature and pressure. The results demonstrated that as the...

This paper presents a novel magneto-optical isolator based on an ultra-wideband and high efficiency photonic crystals (PCs) waveguide and gyromagnetic ferrites. The three-dimensional numerical simulation finds that the photonic crystals waveguide’s (...

We synthesized the novel adduct-type organic ionic crystal [C3mim][SCN·B(C₆F₅)₃] (1) by the reaction of 1–methyl–3–propylimidazolium thiocyanate ([C3mim][SCN]), which is a room temperature ionic liquid, and B(C₆F₅)₃, a bulky...

Only six years ago, the first clear-cut example of a ferroelectric, lyotropic liquid crystal was discovered. Since then, ongoing investigations in this new research field provided numerous instances of the missing pieces to complete the formerly blan...

Lithium zinc silicate, Li₂ZnSiO₄, is a promising ceramic solid electrolyte material for Li-ion batteries. In this study, atomistic simulation techniques were employed to examine intrinsic defect processes; long range Li-ion migration paths, together...

Gallium oxide (Ga₂O₃) thin films were fabricated on glass substrates using a combination of chemical bath deposition and post-annealing process. From the field-emission scanning electron microscopy and x-ray diffraction results, the GaOOH nanorods pr...

A Ti bearing interstitial-free steel was finishing rolled in the ferrite region with and without lubrication and microstructures, mechanical properties and textures evolution during warm rolling and subsequent annealing were investigated by OM, SEM,...

Brookite TiO₂ is the most difficult TiO₂ polymorph to synthesize. The available methods in the literature to produce brookite nanostructures mostly use water-based techniques for the preparation of water-soluble Ti complexes first, followed by a hydr...

We previously reported on a method for X-ray single-crystal structure determination from a powder sample via a magnetically oriented microcrystal suspension (MOMS). The method was successfully applied to orthorhombic microcrystals (L-alanine, P2₁2₁2₁...

In this work, structural and thermoluminescence (TL) characteristics for ZnB₂O₄:xTb³⁺ (x = 0.01, 0.02, 0.03, 0.04, 0.05, and 0.10 mole) phosphors were investigated. The phosphors were prepared via synthesis of nitric acid. The X-ray diffraction (XRD)...

Pt/Na_0.5Bi_0.5TiO₃/La_0.5Sr_0.5CoO₃ (Pt/NBT/LSCO) ferroelectric capacitors were fabricated on (110) SrTiO₃ substrate. Both NBT and LSCO films were epitaxially grown on the (110) SrTiO₃ substrate. It was found that the leakage current density of the Pt/N...

Resveratrol (RSV) has various pharmacological effects; however, few studies have directly addressed the possible antifatigue effects of long-term endurance exercise. The clinical use of RSV is limited by its poor water solubility and extremely short...

Here, crystal structure, electronic structure, chemical substitution, pressure-dependent superconductivity, and thickness-dependent properties in FeSe-based superconductors are systemically reviewed. First, the superconductivity versus chemical subst...

In this study, we designed, simulated, and optimized proton exchanged integrated Mach-Zehnder modulators in a 0.5-μm-thick x-cut lithium niobate thin film. The single-mode conditions, the mode distributions, and the optical power distribution of t...