نتایج جستجو برای: triclinic symmetry

تعداد نتایج: 86465  

Journal: :npj quantum materials 2022

Abstract Electronic nematicity, the breaking of crystal lattice rotational symmetry by electronic fluid, is a fascinating quantum state matter. In this work, using transport under strain we investigate nematicity BaNi 2 (As 1− x P ) , candidate system for charge-induced nematicity. We report large B 1g elastoresistance coefficient that maximized at tetragonal-to-orthorhombic transition temperat...

Journal: :Physical Review B 2021

A comprehensive study of magnetocrystalline anisotropy a layered van der Waals ferromagnet $\mathrm{V}{\mathrm{I}}_{3}$ was performed. We measured angular dependences the torque and magnetization with respect to direction applied magnetic field within basal $ab$ plane general orthogonal $ab$, respectively. twofold butterflylike signal detected by in plane. This symmetry remains conserved throug...

2013
Michael G. Bowman Robert T. Downs Hexiong Yang

The bjarebyite group of minerals, characterized by the general formula BaX(2)Y(2)(PO(4))(3)(OH)(3), with X = Mg, Fe(2+) or Mn(2+), and Y = Al or Fe(3+), includes five members: bjarebyite BaMn(2+) (2)Al(2)(PO(4))(3)(OH)(3), johntomaite BaFe(2+) (2)Fe(3+) (2)(PO(4))(3)(OH)(3), kulanite BaFe(2+) (2)Al(2)(PO(4))(3)(OH)(3), penikisite BaMg(2)Al(2)(PO(4))(3)(OH)(3), and perloffite BaMn(2+) (2)Fe(3+) ...

2009
John Hunt

The structure of a crystalline material may be described by a crystal lattice structure and the locations of atoms in this lattice. The crystal lattice is a 3-dimensional periodic array that defines the symmetries, i.e. shape, of the crystal. There are seven possible crystal lattices: cubic, hexagonal, tetragonal, rombohedral, orthorhombic, monoclinic and triclinic. When we define the possible ...

Journal: :Acta Crystallographica Section E Crystallographic Communications 2015

Journal: :Isij International 2022

The synthesis and characterisation of SFCA-I compounds has been performed. is one the key bonding phases in iron ore sinter, influencing physical properties such as strength, reducibility, strength degradation during reduction. results reported herein extend understanding solid solution limits phase, with single-phase materials containing 2.71, 3.23 3.73 mass% Al2O3. These contain less Al2O3 th...

2013
Bhupinder Sandhu Sergiu Draguta Marina S. Fonari Mikhail Antipin Tatiana V. Timofeeva

In the title co-crystal, 2C6H5NO·C4H4O4, two crystallographically different hydrogen-bonded trimers are formed, one in which the components occupy general positions, and one generated by an inversion centre. This results in the uncommon situation of Z = 3 for a triclinic crystal. In the formula units, mol-ecules are linked by O-H⋯N hydrogen bonds.

2016
Ivan Šalitroš Olaf Fuhr Mario Ruben

Two new mononuclear iron(II) compounds (1) and (2) of the general formula [Fe(L)₂](BF₄)₂·nCH₃CN (L = 4-(2-bromoethyn-1-yl)-2,6-bis(pyrazol-1-yl)pyridine, n = 1 for (1) and n = 2 for compound (2)), were synthesized. The room temperature crystallization afforded concomitant formation of two different solvent analogues: compound (1) exhibiting triclinic P-1 and compound (2) monoclinic C2/c symmetr...

2017
A. D. Fortes

We have grown single crystals of M2þSO4 hydrates at 270 K from aqueous solutions in the ternary systems CoSO4eMgSO4eH2O and MnSO4eMgSO4eH2O. These systems exhibit broad stability fields for a triclinic undecahydrate on the Mg-rich side (i.e., Coor Mn-bearing meridianiite solid solutions) and stability fields for monoclinic heptahydrates on the Mg-poor side (i.e., Mg-bearing solid solutions of b...

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