Edith Bourret
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View article: Local p‐ and n‐Type Doping of an Oxide Semiconductor via Electric‐Field‐Driven Defect Migration
Local p‐ and n‐Type Doping of an Oxide Semiconductor via Electric‐Field‐Driven Defect Migration Open
Layered oxides exhibit high ionic mobility and chemical flexibility, attracting interest as cathode materials for lithium‐ion batteries and the pairing of hydrogen production and carbon capture. Recently, layered oxides emerged as highly t…
View article: Ferroelectric Domain Walls for Environmental Sensors
Ferroelectric Domain Walls for Environmental Sensors Open
Domain walls in ferroelectric oxides provide fertile ground for the development of next-generation nanotechnology. Examples include domain-wall-based memory, memristors, and diodes, where the unusual electronic properties and the quasi-two…
View article: Scintillator Library: A database of inorganic and organic scintillator properties
Scintillator Library: A database of inorganic and organic scintillator properties Open
The Scintillator Library (scintillator.lbl.gov) is a database of scintillator properties hosted by Lawrence Berkeley National Laboratory in a web-accessible format. It contains a variety of measured inorganic and organic scintillator prope…
View article: Local doping of an oxide semiconductor by voltage-driven splitting of anti-Frenkel defects
Local doping of an oxide semiconductor by voltage-driven splitting of anti-Frenkel defects Open
Layered oxides exhibit high ionic mobility and chemical flexibility, attracting interest as cathode materials for lithium-ion batteries and the pairing of hydrogen production and carbon capture. Recently, layered oxides emerged as highly t…
View article: Ferroelectric domain walls for environmental sensors
Ferroelectric domain walls for environmental sensors Open
Domain walls in ferroelectric oxides provide fertile ground for the development of next-generation nanotechnology. Examples include domain-wall-based memory, memristors, and diodes, where the unusual electronic properties and the quasi-2D …
View article: Probing the optical properties and toxicological profile of zinc tungstate nanorods
Probing the optical properties and toxicological profile of zinc tungstate nanorods Open
Zinc tungstate is a semiconductor known for its favorable photocatalytic, photoluminescence, and scintillation properties, coupled with its relatively low cost, reduced toxicity, and high stability in biological and catalytic environments.…
View article: Non-Destructive Tomographic Nanoscale Imaging of Ferroelectric Domain Walls
Non-Destructive Tomographic Nanoscale Imaging of Ferroelectric Domain Walls Open
Extraordinary physical properties arise at polar interfaces in oxide materials, including the emergence of two-dimensional electron gases, sheet-superconductivity, and multiferroicity. A special type of polar interface are ferroelectric do…
View article: Post-synthesis tuning of dielectric constant via ferroelectric domain wall engineering
Post-synthesis tuning of dielectric constant via ferroelectric domain wall engineering Open
A promising mechanism for achieving colossal dielectric constants involves the use of insulating internal barrier layers, such as insulating domain walls in ferroelectrics. A key advantage of domain walls, compared to other stationary inte…
View article: Triple-mode detector for fast neutrons, slow neutrons, and gamma ray spectroscopy
Triple-mode detector for fast neutrons, slow neutrons, and gamma ray spectroscopy Open
This disclosure provides systems, methods, and apparatus related to neutron detection and gamma ray detection. In one aspect, a detector comprises a scintillator structure that comprises an organic scintillator and an inorganic scintillato…
View article: Non‐Destructive Tomographic Nanoscale Imaging of Ferroelectric Domain Walls
Non‐Destructive Tomographic Nanoscale Imaging of Ferroelectric Domain Walls Open
Extraordinary physical properties arise at polar interfaces in oxide materials, including the emergence of 2D electron gases, sheet‐superconductivity, and multiferroicity. A special type of polar interface is ferroelectric domain walls, wh…
View article: Post-synthesis tuning of dielectric constant via ferroelectric domain wall engineering
Post-synthesis tuning of dielectric constant via ferroelectric domain wall engineering Open
A promising mechanism for achieving colossal dielectric constants is to use insulating internal barrier layers, which typically form during synthesis and then remain in the material. It has recently been shown that insulating domain walls …
View article: Coexistence of multi-scale domains in ferroelectric polycrystals with non-uniform grain-size distributions
Coexistence of multi-scale domains in ferroelectric polycrystals with non-uniform grain-size distributions Open
Engineering of ferroelectric domain structures enables direct control over the switching dynamics and is crucial for tuning the functional properties of ferroelectrics for various applications, ranging from capacitors to future nanoelectro…
View article: Full Ce substitution on La in Tl<sub>2</sub>LaCl<sub>5</sub>: impact and performance
Full Ce substitution on La in Tl<sub>2</sub>LaCl<sub>5</sub>: impact and performance Open
We investigate the effect of La full substitution with cerium ions on the luminescence and scintillation properties of a thallium-rich material.
View article: Imaging and structure analysis of ferroelectric domains, domain walls, and vortices by scanning electron diffraction
Imaging and structure analysis of ferroelectric domains, domain walls, and vortices by scanning electron diffraction Open
Direct electron detectors in scanning transmission electron microscopy give unprecedented possibilities for structure analysis at the nanoscale. In electronic and quantum materials, this new capability gives access to, for example, emergen…
View article: Moiré fringes in conductive atomic force microscopy
Moiré fringes in conductive atomic force microscopy Open
Moiré physics plays an important role in characterization of functional materials and engineering of physical properties in general, ranging from strain-driven transport phenomena to superconductivity. Here, we report on the observation of…
View article: Data from Imaging and structure analysis of ferroelectric domains, domain walls, and vortices by scanning electron diffraction
Data from Imaging and structure analysis of ferroelectric domains, domain walls, and vortices by scanning electron diffraction Open
Direct electron detectors in scanning transmission electron microscopy give unprecedented possibilities for structure analysis at the nanoscale. In electronic and quantum materials, this new capability gives access to, for example, emergen…
View article: Data from Imaging and structure analysis of ferroelectric domains, domain walls, and vortices by scanning electron diffraction
Data from Imaging and structure analysis of ferroelectric domains, domain walls, and vortices by scanning electron diffraction Open
Direct electron detectors in scanning transmission electron microscopy give unprecedented possibilities for structure analysis at the nanoscale. In electronic and quantum materials, this new capability gives access to, for example, emergen…
View article: Optimizing compositional and atomic-level information of oxides in atom probe tomography
Optimizing compositional and atomic-level information of oxides in atom probe tomography Open
Atom probe tomography (APT) is a 3D analysis technique that offers unique chemical accuracy and sensitivity with sub-nanometer spatial resolution. Recently, there is an increasing interest in the application of APT to complex oxides materi…
View article: Investigation of the photoluminescent properties, scintillation behaviour and toxicological profile of various magnesium tungstate nanoscale motifs
Investigation of the photoluminescent properties, scintillation behaviour and toxicological profile of various magnesium tungstate nanoscale motifs Open
We have synthesized several morphologies and crystal structures of MgWO 4 using a one-pot hydrothermal method, producing not only monoclinic stars and large nanoparticles but also triclinic wool balls and sub-10 nm nanoparticles. Herein we…
View article: The Third Dimension of Ferroelectric Domain Walls
The Third Dimension of Ferroelectric Domain Walls Open
Ferroelectric domain walls are quasi-2D systems that show great promise for the development of non-volatile memory, memristor technology and electronic components with ultra-small feature size. Electric fields, for example, can change the …
View article: The Third Dimension of Ferroelectric Domain Walls
The Third Dimension of Ferroelectric Domain Walls Open
Ferroelectric domain walls are quasi‐2D systems that show great promise for the development of nonvolatile memory, memristor technology, and electronic components with ultrasmall feature size. Electric fields, for example, can change the d…
View article: A room temperature polar magnetic metal
A room temperature polar magnetic metal Open
The emergence of long-range magnetic order in noncentrosymmetric compounds has stimulated interest in the possibility of exotic spin transport phenomena and topologically protected spin textures for applications in next-generation spintron…
View article: Charged Ferroelectric Domain Walls for Deterministic ac Signal Control at the Nanoscale
Charged Ferroelectric Domain Walls for Deterministic ac Signal Control at the Nanoscale Open
The direct current (dc) conductivity and emergent functionalities at ferroelectric domain walls are closely linked to the local polarization charges. Depending on the charge state, the walls can exhibit unusual dc conduction ranging from i…
View article: Atomic-scale 3D imaging of individual dopant atoms in a complex oxide
Atomic-scale 3D imaging of individual dopant atoms in a complex oxide Open
A small percentage of dopant atoms can completely change the physical properties of the host material. For example, chemical doping controls the electronic transport behavior of semiconductors and gives rise to a wide range of emergent ele…