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crystallizes orthorhombic material

Materials Data on TmScO3 by Materials Project (Dataset

TmScO3 is Orthorhombic Perovskite structured and crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Tm3+ is bonded in a 4-coordinate geometry to eight O2- atoms. There are a spread of Tm–O bond distances ranging from 2.19–2.86 Å.

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The Crystal Structure of Hexaamminecoball(III

The material crystallizes in the orthorhombic space group D2h16-Pnma, with four formula units in a cell of dimensions a = 21.219 (9), b = 7.653 (4), and c = 8.106 (3) Å. The calculated and observed densities are 2.037 and 2.02 ± 0.01 g/cm3, respectively.

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A methyl viologen-containing cadmium crystalline material

Jan 01, 2021 Single-crystal X-ray analysis of 1 crystallizes in orthorhombic space group Pbcn, revealing a 2D layered structure.As shown in Fig. 1a, the asymmetric unit of 1 consists of one half of crystallographically independent Cd 2+ cation, one half of MV 2+ cation and one FDC 2− anion. Each Cd 2+ cation has a distorted octahedral CdO6 coordination, with ligation from four carboxylate oxygen

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mp-1096967: FeF3 (orthorhombic, Cmcm, 63) Materials Project

FeF3 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. there are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to six F1- atoms to form corner-sharing FeF6 octahedra. The corner-sharing octahedra tilt angles range from 29–38°. There is two shorter (1.96 Å) and four longer (1.97 Å) Fe–F bond length.

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Journal of Materials Chemistry C Royal Society of Chemistry

The structural characterization revealed that the material crystallizes in an orthorhombic structure (Pnma # 62 space group). Scanning electron microscopic images showed granular and densified characteristics on the surface and inside the samples, with two well-differentiated grain sizes: micrometric and submicrometric.

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mp-685097: HfO2 (orthorhombic, Pca2_1, 29) Materials Project

HfO2 is Baddeleyite-like structured and crystallizes in the orthorhombic Pca2_1 space group. The structure is three-dimensional. Hf4+ is bonded to seven O2- atoms to form a mixture of distorted edge and corner-sharing HfO7 pentagonal bipyramids. There are a spread of Hf–O bond distances ranging from 2.04–2.25 Å. There are two inequivalent O2- sites.

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Lone-Pair-Induced Structural Ordering in the Mixed-Valent

1 day ago Rb23SbIII7SbV2Cl54 crystallizes in an orthorhombic space group (Cmcm) with a unique, layered 0D structure driven by the arrangement of the 5s2 lone pairs of the SbIIICl6 octahedra. This red material is likely the true structure of a previously reported monoclinic “Rb2.67SbCl6” phase, the structure of which was not determined.

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Experimental and computational perspectives on linear and

Dec 01, 2019 Single-crystal X-ray diffractogram reveals that the material crystallizes in orthorhombic system with non-centrosymmetric space group P2 1 2 1 2 1 with cell parameters a = 5.92 Å, b = 13.77 Å, c = 18.64 Å, and V = 1519 Å 3. Powder XRD and FTIR spectral investigation were carried out to analyse the crystallinity of the material and for

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Phys. Rev. B 96, 205103 (2017) Large negative

Nov 01, 2017 The material crystallizes in an orthorhombic-layered structure (space group: Pnma, No. 62) comprising a periodic sequence of -MnSb/Eu/Sb/Eu/- layers (∼ 1 nm in thickness), and massless fermions are expected to emerge in the Sb layer, by analogy of the candidate Dirac materials EuMnB i 2 and A Mn P n 2 (A = Ca or Sr or Ba, P n = Sb or Bi).

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mp-1220469: Nb4Fe3Si5 (orthorhombic, Amm2, 38)

Nb4Fe3Si5 crystallizes in the orthorhombic Amm2 space group. The structure is three-dimensional. there are two inequivalent Nb+2.75+ sites. In the first Nb+2.75+ site, Nb+2.75+ is bonded in a 7-coordinate geometry to seven Si4- atoms. There are a spread of Nb–Si bond distances ranging from 2.77–2.85 Å. In the second Nb+2.75+ site, Nb+2.75+ is bonded in a 8-coordinate geometry to eight

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Phys. Rev. B 96, 205103 (2017) Large negative

Nov 01, 2017 The material crystallizes in an orthorhombic-layered structure (space group: Pnma, No. 62) comprising a periodic sequence of -MnSb/Eu/Sb/Eu/- layers (∼ 1 nm in thickness), and massless fermions are expected to emerge in the Sb layer, by analogy of the candidate Dirac materials EuMnB i 2 and A Mn P n 2 (A = Ca or Sr or Ba, P n = Sb or Bi).

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Journal of Materials Chemistry C Royal Society of Chemistry

Polycrystalline samples of Sm 2 Bi 2 Fe 4 O 12 were produced by the standard solid state reaction method. The structural characterization revealed that the material crystallizes in an orthorhombic structure (Pnma # 62 space group).Scanning electron microscopic images showed granular and densified characteristics on the surface and inside the samples, with two well-differentiated grain sizes

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Synthesis, crystal structure, thermal, mechanical and

The molecular structure was confirmed by NMR spectral studies and single crystal x-ray diffraction analysis. The title adduct crystallizes in orthorhombic system with non-centrosymmetric space group, P2 1 2 1 2 1. FT-IR spectroscopic study was carried out to confirm the presence of various functional groups in the crystal.

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Monoclinic and Orthorhombic NaMnO2 for Secondary

crystallizes in an orthorhombic system with the space group Pmmn and cell parameters a = 4.77 ± 0.01, b = 2.852 ± 0.003, and c = 6.31 ± 0.02 Å. In this structure, the MnO 6 sheets

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Stibnite Wikipedia

Stibnite, sometimes called antimonite, is a sulfide mineral with the formula Sb 2 S 3.This soft grey material crystallizes in an orthorhombic space group. It is the most important source for the metalloid antimony. The name is from the Greek στίβι stibi through the Latin stibium as the old name for the mineral and the element antimony.

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HfTe5 crystals High quality vdW HfTe5 crystals by

HfTe5 is a member of layered transition metal pentatelluride material family. It crystallizes in orthorhombic phase and our crystals exhibit perfectly layered nature. HfTe5 is at the boundary of weak & strong topological insulator (TI) and might crossover to a Dirac semimetal. It also exhibit superconducting state under applied hydrostatic pressure

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What is a Crystal? International Gem Society IGS

Crystal Systems. All minerals form in one of seven crystal systems: isometric, tetragonal, orthorhombic, monoclinic, triclinic, hexagonal, and trigonal.Each is distinguished by the geometric parameters of its unit cell, the arrangement of atoms repeated throughout the solid to form the crystal object we can see and feel.

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Selective SO2 detection at low concentration by Ca

The material crystallizes in the orthorhombic crystal system with the Pbnm space group. Further, occupancy refinement of neutron diffraction data indicates the presence of oxygen vacancies which was also supported by XPS analysis. Among the various compositions of La 1-x Ca x FeO 3

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Energetic materials: alpha-NTO crystallizes as a four

The prevalent polymorph of the energetic material 5-nitro-2,4-dihydro-1,2,4,-triazol-3-one, alpha-NTO, crystallizes as a four-component twin with triclinic symmetry (space group P\bar 1). All crystals under investigation were fourlings, i.e. they contained each of the four possible twin components

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Bi2(IO4)(IO3)3: A New Potential Infrared Nonlinear Optical

A new potential infrared (IR) nonlinear optical (NLO) material Bi 2 (IO 4)(IO 3) 3 was synthesized by hydrothermal method. Bi 2 (IO 4)(IO 3) 3 crystallizes in the chiral orthorhombic space group P2 1 2 1 2 1 (No. 19) with a = 5.6831(11) Å, b = 12.394(3) Å, and c = 16.849(3) Å. It exhibits a three-dimensional framework through a combination of the IO 3, IO 4, BiO 8, and BiO 9 polyhedra and

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Structure and Physical Properties of the LaBiFe O

material crystallizes in an orthorhombic perovskite, Pnma (#62) space group, with lattice parameters a=5.5786(3) Å, b=7.8649(8) Å and c=5.5583(7) Å, and respective angles α=β=γ=90.0°. The appearance of the diffraction peaks (111) and (311) constitutes a strong indication that the La 3+ and Bi 3+ cations

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Synthesis and characterization of the open-framework

The synthesis and crystal structures of a new magnesium aluminophosphate and its high temperature variant are described. The as-synthesized material (UiO-28-as), of composition MgAl 3 (PO 4) 4 ·C 4 N 3 H 14 ·H 2 O, crystallizes in the orthorhombic space group Pbcm (no. 57) with a = 9.2769(8), b = 14.798(1), c = 14.611(1) Å and V = 2005.8(3) Å 3.UiO-28-as has a two-dimensional eight-ring

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Stabilizing n-Type Cubic GeSe by Entropy-Driven Alloying

The realization of n-type Ge chalcogenides is elusive owing to intrinsic Ge vacancies that make them p-type semiconductors. GeSe crystallizes into a layered orthorhombic structure similar to SnSe at ambient conditions. The high-symmetry cubic phase of GeSe is predicted to be stabilized by applying 7

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Phys. Rev. B 96, 205103 (2017) Large negative

Nov 01, 2017 The material crystallizes in an orthorhombic-layered structure (space group: Pnma, No. 62) comprising a periodic sequence of -MnSb/Eu/Sb/Eu/- layers (∼ 1 nm in thickness), and massless fermions are expected to emerge in the Sb layer, by analogy of the candidate Dirac materials EuMnB i 2 and A Mn P n 2 (A = Ca or Sr or Ba, P n = Sb or Bi).

More

Journal of Materials Chemistry C Royal Society of Chemistry

Polycrystalline samples of Sm 2 Bi 2 Fe 4 O 12 were produced by the standard solid state reaction method. The structural characterization revealed that the material crystallizes in an orthorhombic structure (Pnma # 62 space group).Scanning electron microscopic images showed granular and densified characteristics on the surface and inside the samples, with two well-differentiated grain sizes

More

Synthesis, crystal structure, thermal, mechanical and

The molecular structure was confirmed by NMR spectral studies and single crystal x-ray diffraction analysis. The title adduct crystallizes in orthorhombic system with non-centrosymmetric space group, P2 1 2 1 2 1. FT-IR spectroscopic study was carried out to confirm the presence of various functional groups in the crystal.

More

Monoclinic and Orthorhombic NaMnO2 for Secondary

crystallizes in an orthorhombic system with the space group Pmmn and cell parameters a = 4.77 ± 0.01, b = 2.852 ± 0.003, and c = 6.31 ± 0.02 Å. In this structure, the MnO 6 sheets

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Structure and Physical Properties of the LaBiFe O

material crystallizes in an orthorhombic perovskite, Pnma (#62) space group, with lattice parameters a=5.5786(3) Å, b=7.8649(8) Å and c=5.5583(7) Å, and respective angles α=β=γ=90.0°. The appearance of the diffraction peaks (111) and (311) constitutes a strong indication that the La 3+ and Bi 3+ cations

More

What is a Crystal? International Gem Society IGS

Crystal Systems. All minerals form in one of seven crystal systems: isometric, tetragonal, orthorhombic, monoclinic, triclinic, hexagonal, and trigonal.Each is distinguished by the geometric parameters of its unit cell, the arrangement of atoms repeated throughout the solid to form the crystal object we can see and feel.

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Thermal synthesis and structural characterization of the

Jul 20, 2014 Polycrystalline thorium(IV) phosphate-triphosphate, Th 2 (PO 4)(P 3 O 10) (), was obtained by (NH 4) 2 Th(PO 4) 2 ·H 2 O heating from room temperature to 1,273 K. 1 crystallizes in the orthorhombic space group Pn2 1 a (a = 11.6846() Å, b = 7.1746() Å, c = 12.9320() Å, Z = 4). Combining powder synchrotron X-ray diffraction data and DFT geometry optimization, a structural model is

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10.6 Lattice Structures in Crystalline Solids Chemistry

NaH crystallizes with the same crystal structure as NaCl. The edge length of the cubic unit cell of NaH is 4.880 Å. (a) Calculate the ionic radius of H −. (The ionic radius of Li + is 0.0.95 Å.) (b) Calculate the density of NaH. Thallium(I) iodide crystallizes with the same structure as CsCl. The edge length of the unit cell of TlI is 4.20 Å.

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Crystallizes Article about crystallizes by The Free

As a material crystallizes on Earth, gravity can cause some crystals to settle out, leaving flaws in the material. Shuttle surprise: zeolites form odd rods The antifreezes don't lower the temperature at which ice melts -- only the temperature at which ice rapidly crystallizes -- so there are a few degrees between the melting point and freezing

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Energetic materials: alpha-NTO crystallizes as a four

Sep 23, 2005 The prevalent polymorph of the energetic material 5-nitro-2,4-dihydro-1,2,4,-triazol-3-one, alpha-NTO, crystallizes as a four-component twin with triclinic symmetry (space group P\bar 1). All crystals under investigation were fourlings, i.e. they contained each of the four possible twin components.

More

Stabilizing n-Type Cubic GeSe by Entropy-Driven Alloying

The realization of n-type Ge chalcogenides is elusive owing to intrinsic Ge vacancies that make them p-type semiconductors. GeSe crystallizes into a layered orthorhombic structure similar to SnSe at ambient conditions. The high-symmetry cubic phase of GeSe is predicted to be stabilized by applying 7

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RARE-EARTH-FREE MATERIALS FOR MAGNETIC REFRIGERATION

The AlFe 2 B 2 family of materials is almost entirely unexplored, providing the opportunity for impactful research concerning energy usage and transformation. AlFe 2 B 2 crystallizes in the prototypical AlMn 2 B 2 Cmmm-type orthorhombic structure, as seen in Figure 1. This compound adopts a layered morphology consisting of alternating planes of

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Phys. Rev. Materials 3, 124404 (2019) Room-temperature

Dec 16, 2019 Room-temperature ferrimagnetism was discovered for the anti-site-disordered perovskite C a 2 MnOs O 6 with T c = 305 K. C a 2 MnOs O 6 crystallizes into an orthorhombic structure with a space group of Pnma, in which Mn and Os share the oxygen-coordinated-octahedral site at an equal ratio without a noticeable ordered arrangement.The material is electrically semiconducting with variable

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Synthesis and characterization of WO 3 polymorphs

Jun 11, 2014 At low water content (10 vol%) the system crystallizes as pure orthorhombic WO 3. In the high water content regime, the morphology of the material with the monoclinic structure can be modulated and particles elongated along the [020] direction can be obtained.

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