Articles with "orthorhombic phase" as a keyword



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Intermediate structural state in Bi1−xPrxFeO3 ceramics at the rhombohedral–orthorhombic phase boundary

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Published in 2017 at "Journal of Materials Science"

DOI: 10.1007/s10853-017-1152-0

Abstract: Crystal structure of the Bi1−xPrxFeO3 ceramics of the compositions corresponding to the threshold concentrations separating the polar rhombohedral (R3c) and anti-polar orthorhombic (Pbam) phases has been investigated with X-ray diffraction, transmission electron microscopy and differential… read more here.

Keywords: phase; structural state; polar orthorhombic; xprxfeo3 ceramics ... See more keywords
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Influence of the annealing temperature on the formation of Mo17O47 and MoO3 nanoparticles and their Photocatalytic performances for the degradation of MB dye

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Published in 2020 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-019-02820-w

Abstract: The present research article is about the visible light photocatalytic degradation of Methylene Blue (MB) by aqueous heterogeneous medium containing orthorhombic phase of nanocrystalline (NCs) molybdenum oxide (MoO3). The two different oxidation forms of molybdenum… read more here.

Keywords: degradation; mo17o47 moo3; orthorhombic phase;
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First principles study of structural, electronic and optical properties of orthorhombic phase Ni-doped Bi2Se3 using density functional theory

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Published in 2020 at "Computational Condensed Matter"

DOI: 10.1016/j.cocom.2020.e00510

Abstract: Abstract Structural, electronic and optical properties of nickel (Ni) doped bismuth selenide (Bi2Se3) in orthorhombic phase was studied via first principles approach using density functional theory (DFT). A generalized gradient approximation (GGA) for Perdew-Burke-Ernzerhof for… read more here.

Keywords: bi2se3; first principles; structural electronic; orthorhombic phase ... See more keywords
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Theoretical studies on oxygen vacancy migration energy barrier in the orthorhombic λ phase Ta2O5

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Published in 2019 at "Computational Materials Science"

DOI: 10.1016/j.commatsci.2019.109148

Abstract: Abstract Although controversy over the crystal structure of Ta2O5 has been resolved by the recently discovered energetically favorable orthorhombic λ phase model, the studies on its material properties are in the beginning stage. Among such… read more here.

Keywords: energy barrier; migration energy; orthorhombic phase; oxygen vacancy ... See more keywords
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Time-resolved photoluminescence studies on localization effects in orthorhombic phase of CH3NH3PbI3 perovskite thin film

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Published in 2018 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2018.01.054

Abstract: Abstract We present the localization effects in orthorhombic phase of CH3NH3PbI3 perovskite materials by temperature-dependent photoluminescence and time-resolved photoluminescence. Our investigations indicate that the tetragonal inclusions in the orthorhombic phase of MAPbI3 at low temperature… read more here.

Keywords: phase; effects orthorhombic; phase ch3nh3pbi3; localization effects ... See more keywords
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Tetravalent Doping in Fluorite-Based Ferroelectric Oxides for Reduced Voltage Operations.

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Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c05886

Abstract: First-principles calculations show a reduced energy barrier for polarization switching via a bulk phase transition by doping of hafnium-zirconium oxide (HZO). The tetragonal P42/nmc phase serves as a transition state for polarization switching of the… read more here.

Keywords: orthorhombic phase; fluorite based; tetravalent doping; tetragonal phase ... See more keywords

Chemical epitaxy of a new orthorhombic phase of Cu2−xS on GaAs

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Published in 2019 at "CrystEngComm"

DOI: 10.1039/c9ce01096c

Abstract: Chemical epitaxy of copper sulfide thin films on GaAs resulted in a previously unreported base-centered orthorhombic phase of Cu2−xS. read more here.

Keywords: chemical epitaxy; phase cu2; orthorhombic phase;
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Colossal enhancement of the thermoelectric power factor in stress-released orthorhombic phase of SnTe

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Published in 2021 at "Applied Physics Letters"

DOI: 10.1063/5.0043954

Abstract: At normal conditions, tin telluride (SnTe) adopts a cubic NaCl-type structure, but under applied pressure above 1.5–2 GPa, it transforms to a distorted crystal structure with an orthorhombic symmetry. Electronic properties of this high-pressure phase, including… read more here.

Keywords: phase; snte; thermoelectric power; gpa ... See more keywords
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Crystal Structure of Bi1 – xPrxFeO3 Multiferroics at the Rhombohedral–Orthorhombic Phase Boundary

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Published in 2018 at "Crystallography Reports"

DOI: 10.1134/s1063774518070118

Abstract: The crystal structures of Bi1 – xPrxFeO3 solid solutions in the vicinity of the transition from the polar rhombohedral phase to the nonpolar orthorhombic phase have been analyzed by X-ray diffraction, transmission electron microscopy, and differential scanning… read more here.

Keywords: phase; temperature; crystal; bi1 xprxfeo3 ... See more keywords