Mostrando 5,461 - 5,480 Resultados de 5,854 Para Buscar 'perovskita~', tiempo de consulta: 2.43s Limitar resultados
  1. 5461
    por Zhong, Yongle
    Publicado 2023
    “…However, conventional photocatalysts with perovskite-class ferroelectricity are generally constrained by their 3D arrangement, leading to less accessible active sites for catalysis and a smaller specific surface area compared to a 2D layout. …”
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    Ferroelectric polarization reversals in C(2)N/α-In(2)Se(3) van der Waals heterostructures: a conversion from the traditional type-II to S-scheme
  2. 5462
    “…XRD analysis consistently confirmed the perovskite-like structure of all samples, devoid of detectable impurities or major structural changes due to doping. …”
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    Exploring the potential of Eu(3+) and Mn(4+) activated LaAlO(3) phosphors as red and far-red emitters for horticulture lighting
  3. 5463
    “…The capabilities of DHe-KPFM in terms of time-resolved measurements, surface photovoltage (SPV) imaging, and detection of weak SPV signals are demonstrated through a series of experiments on difference surfaces: a reference substrate, a bulk organic photovoltaic heterojunction thin film, and an optoelectronic interface obtained by depositing caesium lead bromide perovskite nanosheets on a graphite surface. The conclusion provides perspectives for future improvements and applications.…”
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    Dual-heterodyne Kelvin probe force microscopy
  4. 5464
    “…We distinguish three areas in doped perovskite heterostructures: narrow (<20 nm) 2D interfaces housing superconductivity and/or other emergent phases, electronically isotropic regions far (>120 nm) from the interface and new intermediate zones where interfacial proximity renormalises the electronic structure relative to the bulk.…”
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    Long-range electronic reconstruction to a d(xz,yz)-dominated Fermi surface below the LaAlO(3)/SrTiO(3) interface
  5. 5465
    “…In the quest for understanding the fundamental mechanism for high-T(c)-superconductivity (HTSC) in perovskite cuprate materials, the observation of such an interplanar self-doping process in YBCO opens a unique novel channel for studying the dynamics of HTSC.…”
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    Self-doping processes between planes and chains in the metal-to-superconductor transition of YBa(2)Cu(3)O(6.9)
  6. 5466
    “…So far, research has focused mainly on heterointerfaces derived from the perovskite structure. It is important to extend our understanding of electronic reconstruction phenomena to a broader class of materials and structure types. …”
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    Electrostatic doping as a source for robust ferromagnetism at the interface between antiferromagnetic cobalt oxides
  7. 5467
    “…The results of high-resolution measurements of the diffuse X-ray scattering produced by a perovskite-based Na(0.5)Bi(0.5)TiO(3) ferroelectric single crystal between 40 and 620 K are reported. …”
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    Topology and temperature dependence of the diffuse X-ray scattering in Na(0.5)Bi(0.5)TiO(3) ferroelectric single crystals
  8. 5468
    “…Mixed ferrites Sm(0.5)Pr(0.5)FeO(3) and Sm(0.5)Nd(0.5)FeO(3) with orthorhombic perovskite structure isotypic with GdFeO(3) were synthesized by solid-state reaction technique in air at 1473 K. …”
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    Thermal Behaviour of Sm(0.5)R(0.5)FeO(3) (R = Pr, Nd) Probed by High-Resolution X-ray Synchrotron Powder Diffraction
  9. 5469
    “…Here we report an unusual behaviour in complex perovskite Pb(Fe(2/3)W(1/3))O(3) (PFW) crystals: the coexistence of electric relaxor, magnetic relaxor and antiferromagnetic (AFM) states. …”
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    Magnetoelectric relaxor and reentrant behaviours in multiferroic Pb(Fe(2/3)W(1/3))O(3) crystal
  10. 5470
    “…Recently, ferroelectric perovskite oxides have drawn much attention due to potential applications in the field of solar energy conversion. …”
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    Polarization-dependent interfacial coupling modulation of ferroelectric photovoltaic effect in PZT-ZnO heterostructures
  11. 5471
    “…X-ray diffraction (XRD) and Raman spectrum revealed that the as-prepared PZT NCs were in a perovskite phase. By the vertical piezoresponse force microscopy (VPFM) measurements, the vertically free-standing ordered ferroelectric PZT NCs showed well-defined ring-like piezoresponse phase and hysteresis loops, which indicated that the high-density PZT nanocup arrays could have potential applications in ultra-high non-volatile ferroelectric memories (NV-FRAM) or other nanoelectronic devices.…”
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    Vertically Free-Standing Ordered Pb(Zr(0.52)Ti(0.48))O(3) Nanocup Arrays by Template-Assisted Ion Beam Etching
  12. 5472
    “…This research is focused on the temperature sensing ability of perovskite SrZrO(3):Eu(3+) hollow spheres synthesized via the sol-gel method followed by heating. …”
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    Structural evaluations and temperature dependent photoluminescence characterizations of Eu(3+)-activated SrZrO(3) hollow spheres for luminescence thermometry applications
  13. 5473
    “…It is known that the electro-transport and magnetism of perovskite alkaline-earth ruthenate oxides are sensitive to the lattice distortion associated with the A-site cation size. …”
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    High stability of electro-transport and magnetism against the A-site cation disorder in SrRuO(3)
  14. 5474
    “…Herein, we demonstrate that a hole inversion layer induced by a ferroelectric Bi(4)V(2)O(11) perovskite at the n-type BiVO(4) interface creates a virtual p-n junction with high photovoltage, which is suitable for water splitting. …”
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    A hole inversion layer at the BiVO(4)/Bi(4)V(2)O(11) interface produces a high tunable photovoltage for water splitting
  15. 5475
    “…In this study we report the existence of novel ultraviolet (UV) and blue emission in rare-earth based perovskite NdGaO(3) (NGO) and the systematic quench of the NGO photoluminescence (PL) by Ce doping. …”
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    Origin and Quenching of Novel ultraviolet and blue emission in NdGaO3: Concept of Super-Hydrogenic Dopants
  16. 5476
    por Yu, Yang-Yen, Jiang, Ai-Hua, Lee, Wen-Ya
    Publicado 2016
    “…X-ray diffraction patterns revealed that the BaTiO(3) nanoparticles had a perovskite structure. The hybrid films exhibited high formability and planarity. …”
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    Organic/Inorganic Nano-hybrids with High Dielectric Constant for Organic Thin Film Transistor Applications
  17. 5477
    “…Its competition level with chemically synthesized reference counterparts is doubly demonstrated: in Dye Sensitized Solar Cells, by the infiltration and chemisorption of N-719 dye (∼1 × 10(20) molecules/cm(3)); and in Perovskite Solar Cells, by the capillary infiltration of solution processed CH(3)NH(3)PbI(3) which allowed reaching efficiency of 11.7%. …”
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    Multi-Scale-Porosity TiO(2) scaffolds grown by innovative sputtering methods for high throughput hybrid photovoltaics
  18. 5478
    “…Comparison of the obtained structural parameters with the literature data for the end members of the system NdAlO(3) and SrTiO(3) revealed formation of two kinds of solid solutions Nd(1-x)Sr(x)Al(1-x)Ti(x)O(3) with the cubic and rhombohedral perovskite structure. Morphotropic rhombohedral-to-cubic phase transition in Nd(1-x)Sr(x)Al(1-x)Ti(x)O(3) series occurs at x = 0.84. …”
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    Structural Behaviour of Solid Solutions in the NdAlO3-SrTiO3 System
  19. 5479
    “…The insertion of PbX(2) into Cs(4)PbX(6) provides a means of accessing CsPbX(3) nanocrystals in a wide variety of sizes, shapes, and compositions, an important aspect for the development of precisely tuned perovskite nanocrystal inks.…”
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    Nearly Monodisperse Insulator Cs(4)PbX(6) (X = Cl, Br, I) Nanocrystals, Their Mixed Halide Compositions, and Their Transformation into CsPbX(3) Nanocrystals
  20. 5480
    “…We found that an enhanced randomness of the displacement-directions for all ferroelectrically active cations combined with a strong dynamical coupling between the A- and B-site cations of the perovskite structure, can explain the abrupt amplification of piezoelectric response of the system near MPB. …”
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    Atomic-level structural correlations across the morphotropic phase boundary of a ferroelectric solid solution: xBiMg(1/2)Ti(1/2)O(3)-(1 − x)PbTiO(3)
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