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View article: Strain Engineering of Complex Oxide Membranes on Flexible Metallic Support
Strain Engineering of Complex Oxide Membranes on Flexible Metallic Support Open
Controlling material functionalities via external stimuli is a cornerstone of modern science and technology. One effective strategy involves tuning mechanical strain, which can be induced through lattice mismatch, electric fields, or appli…
View article: Interface Engineering in All-Oxide Photovoltaic Devices Based on Photoferroelectric BiFe<sub>0.9</sub>Co<sub>0.1</sub>O<sub>3</sub> Thin Films
Interface Engineering in All-Oxide Photovoltaic Devices Based on Photoferroelectric BiFe<sub>0.9</sub>Co<sub>0.1</sub>O<sub>3</sub> Thin Films Open
Photoferroelectric BiFeO3 (BFO) has attracted renewed interest to be integrated into thin film photovoltaic (PV) devices as a stable, lead-free, and versatile photoabsorber with simplified architecture. While significant efforts have been …
View article: Unfolding the Challenges To Prepare Single Crystalline Complex Oxide Membranes by Solution Processing
Unfolding the Challenges To Prepare Single Crystalline Complex Oxide Membranes by Solution Processing Open
The ability to prepare single crystalline complex oxide freestanding membranes has opened a new playground to access new phases and functionalities not available when they are epitaxially bound to the substrates. The water-soluble Sr3Al2O6…
View article: Epitaxially Grown Single-Crystalline SrTiO3 Membranes Using a Solution-Processed, Amorphous SrCa2Al2O6 Sacrificial Layer
Epitaxially Grown Single-Crystalline SrTiO3 Membranes Using a Solution-Processed, Amorphous SrCa2Al2O6 Sacrificial Layer Open
Water-soluble sacrificial layers based on epitaxially-grown, single crystalline (Ca, Sr, Ba)3Al2O6 layer are widely used for creating free-standing perovskite oxide membranes. However, obtaining these sacrificial layers with intricate stoi…
View article: Progress in superconducting REBa<sub>2</sub>Cu<sub>3</sub>O<sub>7</sub> (RE = rare earth) coated conductors derived from fluorinated solutions
Progress in superconducting REBa<sub>2</sub>Cu<sub>3</sub>O<sub>7</sub> (RE = rare earth) coated conductors derived from fluorinated solutions Open
In this work, we review recent progress achieved in the use of chemical solution deposition (CSD) based on fluorinated metalorganic precursors to grow superconducting REBa 2 Cu 3 O 7 (REBCO) films and coated conductors (CCs). We examine, f…
View article: Epitaxially grown single-crystalline SrTiO<sub>3</sub> membranes using a solution-processed, amorphous SrCa<sub>2</sub>Al<sub>2</sub>O<sub>6</sub> sacrificial layer
Epitaxially grown single-crystalline SrTiO<sub>3</sub> membranes using a solution-processed, amorphous SrCa<sub>2</sub>Al<sub>2</sub>O<sub>6</sub> sacrificial layer Open
Water-soluble sacrificial layers using solution processed, amorphous SrCa 2 Al 2 O 6 sacrificial layer has been used for creating free-standing single-crystalline perovskite oxide membranes.
View article: Correction to “Chemical Synthesis of La<sub>0.75</sub>Sr<sub>0.25</sub>CrO<sub>3</sub> Thin Films for <i>p</i>-Type Transparent Conducting Electrodes”
Correction to “Chemical Synthesis of La<sub>0.75</sub>Sr<sub>0.25</sub>CrO<sub>3</sub> Thin Films for <i>p</i>-Type Transparent Conducting Electrodes” Open
[This corrects the article DOI: 10.1021/acs.chemmater.2c03831.].
View article: On the Role of the Sr<sub>3−x</sub>Ca<sub>x</sub>Al<sub>2</sub>O<sub>6</sub> Sacrificial Layer Composition in Epitaxial La<sub>0.7</sub>Sr<sub>0.3</sub>MnO<sub>3</sub> Membranes
On the Role of the Sr<sub>3−x</sub>Ca<sub>x</sub>Al<sub>2</sub>O<sub>6</sub> Sacrificial Layer Composition in Epitaxial La<sub>0.7</sub>Sr<sub>0.3</sub>MnO<sub>3</sub> Membranes Open
The possibility to fabricate freestanding single crystal complex oxide films has raised enormous interest to be integrated in next‐generation electronic devices envisaging distinct and novel properties that can deliver unprecedented perfor…
View article: Chemical Synthesis of La<sub>0.75</sub>Sr<sub>0.25</sub>CrO<sub>3</sub> Thin Films for <i>p</i>-Type Transparent Conducting Electrodes
Chemical Synthesis of La<sub>0.75</sub>Sr<sub>0.25</sub>CrO<sub>3</sub> Thin Films for <i>p</i>-Type Transparent Conducting Electrodes Open
The imperative need for highly performant and stable p-type transparent electrodes based on abundant metals is stimulating the research on perovskite oxide thin films. Moreover, exploring the preparation of these materials with the use of …
View article: Chemical synthesis of complex oxide thin films and freestanding membranes
Chemical synthesis of complex oxide thin films and freestanding membranes Open
Oxides offer unique physical and chemical properties that inspire rapid advances in materials chemistry to design and nanoengineer materials compositions and implement them in devices for a myriad of applications.
View article: Bendable Polycrystalline and Magnetic CoFe<sub>2</sub>O<sub>4</sub> Membranes by Chemical Methods
Bendable Polycrystalline and Magnetic CoFe<sub>2</sub>O<sub>4</sub> Membranes by Chemical Methods Open
The preparation and manipulation of crystalline yet bendable functional complex oxide membranes has been a long-standing issue for a myriad of applications, in particular, for flexible electronics. Here, we investigate the viability to pre…
View article: Facile Chemical Route to Prepare Water Soluble Epitaxial Sr<sub>3</sub>Al<sub>2</sub>O<sub>6</sub> Sacrificial Layers for Free‐Standing Oxides
Facile Chemical Route to Prepare Water Soluble Epitaxial Sr<sub>3</sub>Al<sub>2</sub>O<sub>6</sub> Sacrificial Layers for Free‐Standing Oxides Open
The growth of epitaxial complex oxides has been essentially limited to specific substrates that can induce epitaxial growth and stand high temperature thermal treatments. These restrictions hinder the opportunity to manipulate and integrat…
View article: Fabrication of Gd<sub>x</sub>Fe<sub>y</sub>O<sub>z</sub> films using an atomic layer deposition-type approach
Fabrication of Gd<sub>x</sub>Fe<sub>y</sub>O<sub>z</sub> films using an atomic layer deposition-type approach Open
The growth of complex oxide thin films with atomic precision offers bright prospects to study improved properties and novel functionalities.
View article: Enhancement of phase stability and optoelectronic performance of BiFeO<sub>3</sub>thin films<i>via</i>cation co-substitution
Enhancement of phase stability and optoelectronic performance of BiFeO<sub>3</sub>thin films<i>via</i>cation co-substitution Open
Compositional engineering of BiFeO3can significantly boost its optoelectronic properties.
View article: Enhancing Magneto-Ionic Effects in Magnetic Nanostructured Films via Conformal Deposition of Nanolayers with Oxygen Acceptor/Donor Capabilities
Enhancing Magneto-Ionic Effects in Magnetic Nanostructured Films via Conformal Deposition of Nanolayers with Oxygen Acceptor/Donor Capabilities Open
Effective manipulation of the magnetic properties of nanostructured metallic alloys, exhibiting intergrain porosity (i.e., channels) and conformally coated with insulating oxide nanolayers, with an electric field is demonstrated. Nanostruc…
View article: Homogeneous Fe<sub>2</sub>O<sub>3</sub> coatings on carbon nanotube structures for supercapacitors
Homogeneous Fe<sub>2</sub>O<sub>3</sub> coatings on carbon nanotube structures for supercapacitors Open
The combination of carbon nanotubes with transition metal oxides can exhibit complementary charge storage properties for use as electrode materials for next generation energy storage devices.
View article: Magneto-ionic control of magnetism in two-oxide nanocomposite thin films comprising mesoporous cobalt ferrite conformally nanocoated with HfO<sub>2</sub>
Magneto-ionic control of magnetism in two-oxide nanocomposite thin films comprising mesoporous cobalt ferrite conformally nanocoated with HfO<sub>2</sub> Open
Enhanced magneto-ionic effects in nanoporous cobalt ferrite films conformally coated with HfO2 (i.e., two-oxide nanoporous composite films) are demonstrated.
View article: Suppression of superconductivity at the nanoscale in chemical solution derived YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7−δ</sub>thin films with defective Y<sub>2</sub>Ba<sub>4</sub>Cu<sub>8</sub>O<sub>16</sub>intergrowths
Suppression of superconductivity at the nanoscale in chemical solution derived YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7−δ</sub>thin films with defective Y<sub>2</sub>Ba<sub>4</sub>Cu<sub>8</sub>O<sub>16</sub>intergrowths Open
The analysis of the microstructure and superconducting behavior of chemical solution deposited epitaxial YBa2Cu3O7−δfilms, with thickness down to 5 nm, has been carried out to disclose the behavior of the most common intergrowth Y2Ba4Cu8O1…
View article: Atomic layer deposition of functional multicomponent oxides
Atomic layer deposition of functional multicomponent oxides Open
Advances in the fabrication of multicomponent oxide thin films are crucial to prepare specific compositions with precise structures and controlled interfaces. This will enable the investigation of novel phenomena and development of new dev…
View article: Electrochemical Reduction of Undoped and Cobalt-Doped BiFeO<sub>3</sub> Induced by Water Exposure: Quantitative Determination of Reduction Potentials and Defect Energy Levels Using Photoelectron Spectroscopy
Electrochemical Reduction of Undoped and Cobalt-Doped BiFeO<sub>3</sub> Induced by Water Exposure: Quantitative Determination of Reduction Potentials and Defect Energy Levels Using Photoelectron Spectroscopy Open
The interaction of BiFeO3 and Co-doped BiFeO3 thin-film surfaces with water vapor is examined using photoelectron spectroscopy. Water exposure results in an upward shift of the Fermi energy, which is limited by the reduction of Bi and Fe i…
View article: Band Gap Tuning of Solution-Processed Ferroelectric Perovskite BiFe<sub>1–<i>x</i></sub>Co<sub><i>x</i></sub>O<sub>3</sub> Thin Films
Band Gap Tuning of Solution-Processed Ferroelectric Perovskite BiFe<sub>1–<i>x</i></sub>Co<sub><i>x</i></sub>O<sub>3</sub> Thin Films Open
Ferroelectric perovskite oxides are emerging as a promising photoactive layer for photovoltaic applications because of their very high stability and their alternative ferroelectricity-related mechanism for solar energy conversion that coul…
View article: Accelerated growth by flash heating of high critical current trifluoroacetate solution derived epitaxial superconducting YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7</sub> films
Accelerated growth by flash heating of high critical current trifluoroacetate solution derived epitaxial superconducting YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7</sub> films Open
Flash heating reduces the precursor nanoparticle coarsening and shortens the growth time of epitaxial YBa2Cu3O7 thin films.
View article: Optical Analysis of Oxygen Self‐Diffusion in Ultrathin CeO<sub>2</sub> Layers at Low Temperatures
Optical Analysis of Oxygen Self‐Diffusion in Ultrathin CeO<sub>2</sub> Layers at Low Temperatures Open
An optical in situ strategy for the analysis of oxygen diffusion in ultrathin ceria layers with a thickness of 2–10 nm at temperatures between 50 and 200 °C is presented, which allows for the determination of diffusion coefficients. This m…
View article: Electrochemical Tuning of Metal Insulator Transition and Nonvolatile Resistive Switching in Superconducting Films
Electrochemical Tuning of Metal Insulator Transition and Nonvolatile Resistive Switching in Superconducting Films Open
Modulation of carrier concentration in strongly correlated oxides offers the unique opportunity to induce different phases in the same material, which dramatically change their physical properties, providing novel concepts in oxide electro…
View article: Electrodeposited Ni-Based Magnetic Mesoporous Films as Smart Surfaces for Atomic Layer Deposition: An “All-Chemical” Deposition Approach toward 3D Nanoengineered Composite Layers
Electrodeposited Ni-Based Magnetic Mesoporous Films as Smart Surfaces for Atomic Layer Deposition: An “All-Chemical” Deposition Approach toward 3D Nanoengineered Composite Layers Open
Mesoporous Ni and Cu-Ni (Cu20Ni80 and Cu45Ni55 in at. %) films, showing a three-dimensional (3D) porous structure and tunable magnetic properties, are prepared by electrodeposition from aqueous surfactant solutions using micelles of P-123 …
View article: Disentangling vortex pinning landscape in chemical solution deposited superconducting YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7−x</sub>films and nanocomposites
Disentangling vortex pinning landscape in chemical solution deposited superconducting YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7−x</sub>films and nanocomposites Open
In-field angular pinning performances at different temperatures have been analysed on chemical solution deposited (CSD) YBa2Cu3O7−x (YBCO) pristine films and nanocomposites. We show that with this analysis we are able to quantify the vorte…