Introduction to Structural Phase
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Structural Phase sentence examples within x ray diffraction
X-ray diffraction and differential scanning calorimetry were done in the synthesised products to study the structural phase and the thermochromic transition, respectively.
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X-ray diffraction (XRD) findings indicate the structural phase transformation from a rhombohedral phase for pure BFO sample to the orthorhombic phase for x = 0.
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Structural Phase sentence examples within density functional theory
In this paper, the density functional theory is used to explore the structural phase stability, atomic structure, electron band structures and dynamics properties of cubic (3C) and hexagonal (2H) polytypes of boron III-V compounds.
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We present an ab-initio study performed in the framework of density functional theory, group-subgroup symmetry analysis and lattice dynamics, to probe the octahedral distortions, which occur during the structural phase transitions of the quasi-2D layered perovskite Sr3Hf2O7 compound.
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Structural Phase sentence examples within differential scanning calorimetry
Differential scanning calorimetry, potential energy calculations, and dielectric property measurements indicated the occurrence of a reversible structural phase transition at ∼250 K, while single-crystal X-ray diffraction revealed that 1 possesses a unique three-dimensional network structure with the [H2dabco]2+ cation bridged by two [Ma]− anions through N–H•••O hydrogen bonds.
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In this paper, we have successfully synthesized a novel high-temperature host-guest inclusion ferroelectric: [ (C 6 H 5 NF 3 ) (18-crown-6)][BF 4 ] (1) , which shows a pair of reversible peaks at 348 K (heating) and 331 K (cooling) with a heat hysteresis about 17 K by differential scanning calorimetry (DSC) measurements, indicating that 1 undergoes a reversible structural phase transition.
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Structural Phase sentence examples within scanning electron microscopy
The structural phase and luminescence properties of the samples were characterized by X-ray powder diffraction, field emission scanning electron microscopy, ultraviolet spectrophotometer and fluorescence spectrometer.
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Small angle neutron scattering (SANS), obtained during curing, identified at least two structural phases of different length scale, for the formulations containing MF-bcP, in agreement with microstructures observed using scanning electron microscopy.
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Structural Phase sentence examples within body centered cubic
The results demonstrated that the as-sintered samples were composed of two homogeneous body-centered cubic (BCC1 plus BCC2) structural phases with a small quantity of face-centered cubic (FCC) (Zr,Ti)O oxide inclusions.
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The resulting structure, as studied by X-ray, predominantly exhibited a body-centered cubic (BCC) structural phase coexisting with a C14 Laves phase.
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Structural Phase sentence examples within near room temperature
1O3 (BCZT) thin film heterostructure driven by the near room-temperature electro-structural phase transition.
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VO2 is a highly correlated electron system which has a metal-to-insulator transition (MIT) with a dramatic change of conductivity accompanied by a first-order structural phase transition (SPT) near room temperature.
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Structural Phase sentence examples within unit cell volume
0 GPa indicate no structural phase transitions, and the unit cell volume shrinks monotonically with pressure, unlike the behavior of α-PdBi2.
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0 GPa indicate no structural phase transitions, and the unit cell volume shrinks monotonically with pressure, unlike the behavior of α-PdBi2.
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Structural Phase sentence examples within magnetic phase transition
The bulk alloy has a structural phase transition (Martensitic transition) which is around 200 K and a magnetic phase transition in the vicinity of room temperature upon cooling.
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These results will provide a better understanding of the magnetic phase transition with the structural phase transition in the composition-sensitive Heusler thin films.
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Structural Phase sentence examples within Induced Structural Phase
These two new phases were calculated to be dynamically stable at zero and high pressures, and can be deduced from the previously reported Pmma phase by pressure-induced structural phase transitions.
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Elastic constants and moduli showed anomaly at 50 GPa which may be due to pressure induced structural phase change.
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Structural Phase sentence examples within Different Structural Phase
Structural Phase sentence examples within Order Structural Phase
A phenomenological description of these features is carried out within the concept of a soft mode for the structural subsystem undergoing first-order structural phase transition (P6_{3}/mmc-P_{nma}) and the Heisenberg model for the spin subsystem.
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This compound is isostructural with Ba3Re2O9 and shows a first-order structural phase transition at ∼370 K.
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Structural Phase sentence examples within Reversible Structural Phase
By direct oxygen imaging, we observe reversible oxygen vacancy migration from the bottom to the top electrode through HZO and reveal associated reversible structural phase transitions in the epitaxial LSMO and HZO layers.
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Differential scanning calorimetry, potential energy calculations, and dielectric property measurements indicated the occurrence of a reversible structural phase transition at ∼250 K, while single-crystal X-ray diffraction revealed that 1 possesses a unique three-dimensional network structure with the [H2dabco]2+ cation bridged by two [Ma]− anions through N–H•••O hydrogen bonds.
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Structural Phase sentence examples within Main Structural Phase
The simulation model relates the alloy’s electrical resistivity to the relative proportions of the three main structural phases namely Martensite, Austenite and R-phase, experimentally known to exist in NiTi alloy lattice structure.
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Initially, the main structural phases of the Aedicule are presented, including its destructions and restorations.
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Structural Phase sentence examples within Step Structural Phase
In addition, we discover the growth mechanism of multi-step structural phase transitions from hexagonal P63mc GaN to rhombohedral R 3 ¯ c α-GaNxO3(1-x)/2 and finally to monolithic C2/m N-doped β-Ga2O3, which improves the crystalline quality, facilitates the acceptor doping, increases the acceptor activation efficiency, and thus enhances the p-type conductivity and stability of the N-doped β-Ga2O3 films.
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In this study, we determine that the magnetic anisotropy of a Co(II) complex can be effectively controlled by the slight rotation of coordinating water ligands, which is achieved by a two-step structural phase transition.
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Structural Phase sentence examples within Irreversible Structural Phase
Structural Phase sentence examples within Isosymmetric Structural Phase
Isosymmetric structural phase transition (IPT, type 0), in which there are no changes in the occupation of Wyckoff positions, the number of atoms in the unit cell, and the space group symmetry, is relatively uncommon.
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E2V undergoes a reversible isosymmetric structural phase transition at low temperature (̴ 250 K) which results from the reorientation of the valerate chain.
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Structural Phase sentence examples within Multiple Structural Phase
Structural Phase sentence examples within Orthorhombic Structural Phase
Upon cooling, we observe a larger split (13 cm-1) of Eg Raman phonon modes pertaining to in-plane Fe and As displacements as the crystals undergo the tetragonal-to-orthorhombic structural phase transition, although a considerable split (9 cm-1) has been reported in Ba(Fe1-xCox)2As2.
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Structural Phase sentence examples within Two Structural Phase
Small angle neutron scattering (SANS), obtained during curing, identified at least two structural phases of different length scale, for the formulations containing MF-bcP, in agreement with microstructures observed using scanning electron microscopy.
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A spin–orbit coupled metal Cd2Re2O7 is known to show two structural phase transitions at Ts1 ≈ 200 K and Ts2 ≈ 115 K, which are likely of an electronic origin.
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Structural Phase sentence examples within Mixed Structural Phase
Structural Phase sentence examples within Successive Structural Phase
Thus, three successive structural phases in the history of the formation of the Antey deposit, were established.
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Herein, we report a new lead-free organic–inorganic hybrid compound, [C3H8N]2SbBr5 (1, where C3H8N+ is the cyclopropylammonium cation), which demonstrates tunable dielectric responses near room temperature, derived from its two successive structural phase transitions at the vicinity of T1 = 290 K and T2 = 315 K, respectively.
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Structural Phase sentence examples within Underlying Structural Phase
We studied the kinetics of the underlying structural phase transition (SPT) from monoclinic VO2 (M) to rutile VO2 (R) and vice versa both in powders and coatings, using isoconversional kinetic analysis based on datasets obtained through differential scanning calorimetry and UV–vis–NIR spectrophotometry.
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We show that both $\ensuremath{\varepsilon}$- and $\ensuremath{\zeta}\ensuremath{-}{\mathrm{Bi}}_{4}{\mathrm{I}}_{4}$ are superconductors, and the emergence of pressure-induced superconductivity might be intimately linked to the underlying structural phase transitions.
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Structural Phase sentence examples within Known Structural Phase
The well-known structural phase transition at 214 K is also seen in the changes of optical, magneto-optical and surface magnetic properties of Mn2GaC in our experiment.
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Comprehensive temperature dependent Raman scattering experiments on isotope enriched samples, $^{116}$Cd$_2$Re$_2{^{18}}$O$_7$, not only confirm the already known structural phase transitions but also allow us to identify a new characteristic temperature regime around $\sim 80$ K, below which the Raman spectra undergo remarkable changes with the development of several sharp modes and mode splitting.
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Structural Phase sentence examples within Hexagonal Structural Phase
Differential scanning calorimetry studies reveal high thermal stability of calcium aluminates, while strontium aluminate samples show reversible monoclinic to - hexagonal structural phase transition at 688 °C during heating cycle.
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Tetragonal to hexagonal structural phase transformation is unambiguously identified from Rietveld refinement of the structure.
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Structural Phase sentence examples within Understand Structural Phase
Semiflexible polymer models are widely used as a paradigm to understand structural phases in biomolecules including folding of proteins.
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Parametric Rietveld refinement from powder diffraction data has been utilized in a variety of situations to understand structural phase transitions of materials in situ.
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Structural Phase sentence examples within Rutile Structural Phase
VO2 undergoes the insulator-metal transition (IMT) and monoclinic-rutile structural phase transition (SPT) near 67C.
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Temperature-dependent XRD results demonstrated that the monoclinic-to-rutile structural phase transition temperature had shifted in bilayer sample as compared to VO2 single-layer sample.
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Structural Phase sentence examples within R Structural Phase
The crystalline wires obtained by AVT method show a sharp and large, up to five orders, change in the electrical resistance near T C ≈ 340 K, along with the M1–M2–R structural phase transition.
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Even though M2–R transition offers about 70% higher transformation stress than M1–R structural phase transition, the application of the M2 phase in the micro-actuators is hindered by the fact that previously, M2 phase can only stay stable under tensile stress.
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Structural Phase sentence examples within Cubic Structural Phase
In in situ THz spectroscopy of MAPbI3, we observed a slight blue-shift in frequency of the 2 THz phonon mode as temperatures increase across the tetragonal-cubic structural phase transition.
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In addition, we give the two values of the curie temperatures for the two cubic structural phases.
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Structural Phase sentence examples within Crystalline Structural Phase
The high dielectric optical contrast between the amorphous and crystalline structural phases of non-volatile phase-change materials (PCMs) provides a promising route towards tuneable nanophotonic devices.
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The developed Ga1-xTbxP QDs disclosed cubic crystalline structural phases and the particle size increased from 3 nm to 9.
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Structural Phase sentence examples within Variou Structural Phase
Grazing-incidence fluorescence-yield mode Hf L3 and Zr K absorption edge EXAFS data are compared with reference data calculated from DFT-based atomic coordinates for various structural phases of Hf0.
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Two-dimensional (2D) hybrid halide perovskites with single chiral and ferroelectricity together with various structural phase transitions provide the possibility for them to have more diverse functional properties.
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Structural Phase sentence examples within Complex Structural Phase