Results 1 to 10 of about 23,332 (237)

Discovering the mechanisms that form the auxetic properties of single crystals in a monoclinic crystal system

open access: goldEastern-European Journal of Enterprise Technologies, 2020
This paper reports the analysis of patterns and mechanisms that form the characteristic surfaces of the Young modulus, the angular distributions of Poisson coefficients, and the pointing surfaces of auxeticity of single crystals in cubic, hexagonal, tetragonal, and rhombic crystal system.
Raransky, Mykola   +3 more
  +7 more sources

Laüe back-reflection method for crystallographic orientation of a martensitic Cu-Zn-Al single crystal of the monoclinic system [PDF]

open access: goldQuímica Nova, 2008
A martensitic single crystal Cu-23.95Zn-3.62(wt.%)Al alloy was obtained melting pure Cu, Zn and Al using Bridgman's method. The martensitic phase (monoclinic) can present up to 24 variants, and orienting the surface according to a certain plane is a very hard task.
Zambrano, Uíslei Carlos   +4 more
  +10 more sources

Coordinate-Invariant Lyddane-Sachs-Teller Relationship for Polar Vibrations in Materials with Monoclinic and Triclinic Crystal Systems [PDF]

open access: bronzePhysical Review Letters, 2016
A coordinate-invariant generalization of the Lyddane-Sachs-Teller relation is presented for polar vibrations in materials with monoclinic and triclinic crystal systems. The generalization is derived from an eigendielectric displacement vector summation approach, which is equivalent to the microscopic Born-Huang description of polar lattice vibrations ...
M. Schubert
openaire   +5 more sources

An X-Ray Investigation of the Nickel-Boron System. The Crystal Structures of Orthorhombic and Monoclinic Ni4B3. [PDF]

open access: bronzeActa Chemica Scandinavica, 1959
The Ni-B system was investigated with x-ray powder and single-crystal methods in the range Ni/sub 3/B to NiB. In addition to the previously known intermediate phases, Ni/sub3/B, Ni/sub 2/B, and NiB, the existence of two other phases, both with the ideal compositions Ni/sub 4/B/sub 3/ but one orthorhombic and the other monoclinic, was established.
Stig Rundqvist   +5 more
openaire   +2 more sources

Tuning of crystal structure and electronic band gap of the monoclinic Ga2O3 by simultaneous alloying with Al2O3 and In2O3 [PDF]

open access: yesScientific Reports
The paper presents the study of phase and structural behavior of pseudoternary compound (Ga1-x-y In x Al y )2O3 with focus on the compositional cross-section where the x/y ratio is a fixed at 0.31/0.69. This specific ratio ensures that the average cation
Leonid Vasylechko   +10 more
doaj   +2 more sources

Substitutions in Nd5−xTbxMo3O16+δ Series: Phase Formation, Atomistic Modeling, and Crystal Structure of Nd5Mo3O16+δ-Based Solid Solutions

open access: yesJournal of Chemistry, 2023
Samples of the Nd5−xTbxMo3O16+δ series were obtained by solid-state synthesis from metal oxides at 1050°C. The formation of solid solutions based on cubic and monoclinic phases and a two-phase region between them was observed in the Nd5−xTbxMo3O16+δ ...
Konstantin A. Chebyshev   +3 more
doaj   +1 more source

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