The (CNH)[Cu(HO)]() Structural Family: When Fluoroberyllate, Sulfate, and Selenate Are Full Analogs.

Two new organo-inorganic hybrids, (CNH)[Cu(HO)](BeF) () and (CNH)[Cu(HO)](SeO) (), were prepared via the interaction of ethylenediamine, copper fluoroberyllate or selenate, and H[BeF]/HSeO in aqueous solutions. The structures of and are similar to each other and the previously reported (CNH)[Cu(HO)](SO): monoclinic, 2/, = 5.1044(2) Å, = 11.

Strontium and Copper Co-Doped Multifunctional Calcium Phosphates: Biomimetic and Antibacterial Materials for Bone Implants.

β-tricalcium phosphate (β-TCP) is a promising material in regenerative traumatology for the creation of bone implants. Previously, it was established that doping the structure with certain cations can reduce the growth of bacterial activity. Recently, much attention has been paid to co-doped β-TCP, that is explained by their ability, on the one hand, to reduce cytotoxicity for cells of the human organism, on the other hand, to achieve a successful antibacterial effect.

Antimicrobial and Cell-Friendly Properties of Cobalt and Nickel-Doped Tricalcium Phosphate Ceramics.

β-Tricalcium phosphate (β-TCP) is widely used as bone implant material. It has been observed that doping the β-TCP structure with certain cations can help in combating bacteria and pathogenic microorganisms. Previous literature investigations have focused on tricalcium phosphate structures with silver, copper, zinc, and iron cations.

Co-Doping Effect of Mn and Eu on Luminescence in Strontiowhitlockite Phosphors.

A new series of Sr-based phosphates, SrMnEu(PO), were synthesized using the high-temperature solid-state method in air. It was found that these compounds have the same structure as strontiowhitlockite, which is a β-Ca(PO) (or β-TCP) structure. The concentration of Mn ions required to form a pure strontiowhitlockite phase was determined.

The Synthesis, Structure, and Luminescent Properties of TmMgBO Crystals.

TmMgBO spontaneous crystals were synthesized via the flux-growth technique from a KMoO-based solvent. The crystal structure of the compound was solved and refined within the space group 2/. The first principles calculations of the electronic structure reveal that TmMg-pentaborate with an ideal not defected crystal structure is an insulator with an indirect energy band gap of approximately 6.

Polyvinylpyrrolidone-Alginate-Carbonate Hydroxyapatite Porous Composites for Dental Applications.

An alternative approach for the currently used replacement therapy in dentistry is to apply materials that restore tooth tissue. Among them, composites, based on biopolymers with calcium phosphates, and cells can be applied. In the present work, a composite based on polyvinylpyrrolidone (PVP) and alginate (Alg) with carbonate hydroxyapatite (CHA) was prepared and characterized.

Mn Luminescence in CaZnMnNa(PO) Solid Solution, 0 ≤ ≤ 1.

The solid solution CaZnMnNa(PO) (0 ≤ ≤ 1.0) was obtained by solid-phase reactions under the control of a reducing atmosphere. It was demonstrated that Mn-doped phosphors can be obtained using activated carbon in a closed chamber, which is a simple and robust method.

Novel Red Phosphor of Gd, Sm co-Activated AgGdSmEu☐WO Scheelites for LED Lighting.

Gd and Sm co-activation, the effect of cation substitutions and the creation of cation vacancies in the scheelite-type framework are investigated as factors influencing luminescence properties. AgGdSmEu☐WO ( = 0.50, 0.

Antibacterial Composite Material Based on Polyhydroxybutyrate and Zn-Doped Brushite Cement.

A composite material based on electrospinning printed polyhydroxybutyrate fibers impregnated with brushite cement containing Zn substitution was developed for bone implant applications. Powder X-ray Diffraction (PXRD), Fourier Transform Infrared Spectroscopy and Scanning Electron Microscopy were applied for materials characterization. Soaking the composite in Ringer's solution led to the transformation of brushite into apatite phase, accompanied by the morphology changes of the material.

Abnormal Eu → Eu Reduction in CaMnEu(PO) Phosphors: Structure and Luminescent Properties.

β-Ca(PO)-type phosphors CaMnEu(PO) have been synthesized by high-temperature solid-phase reactions. The crystal structure of CaMnEu(PO) was characterized by synchrotron X-ray diffraction. The phase transitions, magnetic and photoluminescence (PL) properties were studied.

New Series of Red-Light Phosphor CaZnGd(PO):0.1Eu ( = 0-1).

In this study, a new series of phosphors, Ca9−xZnxGd0.9(PO4)7:0.1Eu3+ (x = 0.

Strontium Substituted β-Tricalcium Phosphate Ceramics: Physiochemical Properties and Cytocompatibility.

Sr-substituted β-tricalcium phosphate (β-TCP) powders were synthesized using the mechano-chemical activation method with subsequent pressing and sintering to obtain ceramics. The concentration of Sr in the samples was 0 (non-substituted TCP, as a reference), 3.33 (0.

NASICON-type NaLu(PO):Eu phosphors: structure and luminescence.

NaLu(PO):Eu phosphors were synthesized by a high-temperature solid-state reaction. A powder X-ray diffraction study revealed that homogeneous solid solutions with a NASICON-type structure were formed at 0 ≤ ≤ 0.7.

KEuTb(MoO) Phosphors for Solid-State Lighting Applications: Aperiodic Structures and the Tb → Eu Energy Transfer.

This paper describes the influence of sintering conditions and Eu/Tb content on the structure and luminescent properties of KEuTb(MoO) (KETMO). KETMO samples were synthesized under two different heating and cooling conditions. A KTb(MoO) (KTMO) colorless transparent single crystal was grown by the Czochralski technique.

Influence of Synthesis Conditions on Gadolinium-Substituted Tricalcium Phosphate Ceramics and Its Physicochemical, Biological, and Antibacterial Properties.

Gadolinium-containing calcium phosphates are promising contrast agents for various bioimaging modalities. Gadolinium-substituted tricalcium phosphate (TCP) powders with 0.51 wt% of gadolinium (0.

The role of anionic heterovalent [PO] → [GeO] substitution on the luminescence properties of inorganic phosphors with the β-Ca(PO)-type structure: new data based on accurate crystal structure refinement.

A series of solid-solution phosphate germanates CaZnEu(PO)(GeO) ( = 0, 0.2, 0, 4, 0.6, 0.

KTb(MoO) Green Phosphor with K-Ion Conductivity: Derived from Different Synthesis Routes.

The influence of different synthesis routes on the structure and luminescent properties of KTb(MoO) (KTMO) was studied. KTMO samples were prepared by solid-state, hydrothermal, and Czochralski techniques. These methods lead to the following different crystal structures: a triclinic scheelite-type α-phase is the result for the solid-state method, and an orthorhombic KY(MoO)-type γ-phase is the result for the hydrothermal and Czochralski techniques.

Role of the Eu Distribution on the Properties of β-Ca(PO) Phosphors: Structural, Luminescent, and Eu Mössbauer Spectroscopy Study of CaMgEu(PO).

The series of β-Ca(PO)-type phosphors CaMgEu(PO) were synthesized by a solid-state route. Observation of the proper Eu ion distribution in the CaMg(PO) host matrix was made by a direct method using Eu Mössbauer spectroscopy in combination with X-ray analysis and dielectric and luminescent spectroscopy. The photoluminescence properties were studied in detail.

RbCaCu(PO)O, a novel oxophosphate with a shchurovskyite-type topology: synthesis, structure, magnetic properties and crystal chemistry of rubidium copper phosphates.

Single crystals of RbCaCu(PO)O were synthesized by a hydrothermal method in the multicomponent system CuCl-Ca(OH)-RbCl-BO-RbPO. The synthesis was carried out in the temperature range from 690 to 700 K and at the general pressure of 480-500 atm [1 atm = 101.325 kPa] from the mixture in the molar ratio 2CuO:CaO:RbO:BO:PO.

SrIn(VO) as a model ferroelectric in the structural family of β-Ca(PO)-type phosphates and vanadates.

SrIn(VO) was prepared by a solid-state method at 1270 K in air. This vanadate has the β-Ca(PO)-type structure and crystallizes in polar space group 3. The structural parameters of SrIn(VO) were refined by the Rietveld method from laboratory powder X-ray diffraction data (XRD): the lattice parameters are = 11.

Bi(PO)O, the Simplest Bismuth(III) Oxophosphate: Synthesis, IR Spectroscopy, Crystal Structure, and Structural Complexity.

The bismuth(III) oxophosphate Bi(PO)O was obtained by hydrothermal synthesis. The unit cell has a = 5.6840(6) Å, b = 7.