Brian Zutter
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View article: Unequal {110} Facets: The Potential Role of Intraparticle Heterogeneity and Facet Termination in Photoelectrochemical Activity of Single BiVO<sub>4</sub> Particles
Unequal {110} Facets: The Potential Role of Intraparticle Heterogeneity and Facet Termination in Photoelectrochemical Activity of Single BiVO<sub>4</sub> Particles Open
BiVO4 photoanodes are promising for solar water splitting, with photogenerated electrons and holes preferentially reacting at top {010} and lateral {110} facets, respectively. However, the mechanisms driving this facet-dependent reactivity…
View article: Measuring Chemical Shifts with Energy-Dispersive X-ray Spectroscopy
Measuring Chemical Shifts with Energy-Dispersive X-ray Spectroscopy Open
Electron microscopy prevalently uses energy-dispersive x-ray spectroscopy (EDS) and electron energy loss spectroscopy (EELS) for elemental analysis. EDS and EELS energy resolutions are commonly between 30-100 eV or 0.01-1 eV, respectively.…
Effect of substrate and growth method on vanadium dioxide thin films by RF magnetron sputtering: Vanadium metal oxidation vs reactive sputtering Open
Vanadium dioxide (VO2) undergoes a metal–insulator phase transition at ∼70 °C and has attracted substantial interest for potential applications in electronics, including those in neuromorphic computing. The vanadium–oxygen system has a rat…
Single-Particle Measurements Reveal the Origin of Low Solar-to-Hydrogen Efficiency of Rh-Doped SrTiO<sub>3</sub> Photocatalysts Open
Solar-powered photochemical water splitting using suspensions of photocatalyst nanoparticles is an attractive route for economical production of green hydrogen. SrTiO3-based photocatalysts have been intensely investigated due to their stab…
Charge transport mechanisms in SrTiO3:Rh nanoparticle photocatalysts for Z-scheme water splitting. Open
in the presence of NaI, all of the polymers have a positive impact on the activity under visible light at lower light intensity, whereas only PMA is effective under high light‐intensity condition. For Z‐scheme overall water splitting with …
View article: In Situ Visualization of the Electron Wind Force in the Elastic Regime
In Situ Visualization of the Electron Wind Force in the Elastic Regime Open
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Chemical Shift Detection with Energy Dispersive Spectroscopy (EDS) Open
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In Situ STEM Observations of Elemental Segregation in Phase Change Material GST Under Electrical and Thermal Stress Open
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Modern STEM EBIC: Emerging Modes and Methods Open
An abstract is not available for this content so a preview has been provided. As you have access to this content, a full PDF is available via the ‘Save PDF’ action button.
Mapping Charge Recombination and the Effect of Point Defect Insertion in Gallium Arsenide Nanowire Heterojunctions Open
Electronic devices are extremely sensitive to defects in their constituent semiconductors, but locating electronic point defects in bulk semiconductors has previously been impossible. Here we apply scanning transmission electron microscopy…
Differential electron yield imaging with STXM Open
Total electron yield (TEY) imaging is an established scanning transmission X-ray microscopy (STXM) technique that gives varying contrast based on a sample's geometry, elemental composition, and electrical conductivity. However, the TEY-STX…
Electron-TransparentThermoelectric Coolers Demonstratedwith Nanoparticle and Condensation Thermometry Open
More efficient thermoelectric devices would revolutionize refrigeration and energy production, and low-dimensional thermoelectric materials are predicted to be more efficient than their bulk counterparts. But nanoscale thermoelectric devic…
Electrical Isolation Preserved by Plasma Focused Ion Beam TEM Sample Preparation and Verified with STEM SEEBIC Imaging Open
TEM is a central tool for the study of microelectronics, with thin (~100 nm) samples most commonly produced from components via focused ion beam (FIB) extraction of thin cross sections [1].Scanning TEM electron beam-induced current (STEM E…
Correlation of Joule Heating and Electromigration-induced Mass Transport within Nanoscale Co Interconnects by <i>In Situ</i> STEM Open
Cobalt is a potential replacement for the copper in highly-scaled local interconnects [1].Although cobalt has a higher bulk resistivity than copper, its carrier mean-free path is shorter, making it less resistive (and thus more resistant t…
Total Electron Yield Mapping of Electronic Device Features via Measurement of X-Ray Beam-Induced Currents Open
In scanning transmission X-ray microscopy (STXM), a focused X-ray beam is scanned across a sample, and detector signals are associated with the beam position to form images.In standard STXM the detectors count X-rays.In non-standard STXM t…
View article: Mapping Electronic State Changes with STEM EBIC
Mapping Electronic State Changes with STEM EBIC Open
Journal Article Mapping Electronic State Changes with STEM EBIC Get access B C Regan, B C Regan Department of Physics & Astronomy and California NanoSystems Institute, University of California, Los Angeles, CA, USA Search for other works b…
Electromigration of Copper in Lithographically-Defined Aluminum Nanowires Open
An abstract is not available for this content so a preview has been provided. As you have access to this content, a full PDF is available via the ‘Save PDF’ action button.
Thermometry of Silicon Nanoparticles Open
Current thermometry techniques lack the spatial resolution required to see\nthe temperature gradients in typical, highly-scaled modern transistors. As a\nstep toward addressing this problem, we have measured the temperature\ndependence of …
Plasmon Energy Mapping in Aluminum and Indium with Sub-Nanometer Resolution Open
Journal Article Plasmon Energy Mapping in Aluminum and Indium with Sub-Nanometer Resolution Get access Brian Zutter, Brian Zutter Department of Physics and Astronomy & California NanoSystems Institute, University of California, Los Angeles…
View article: STEM EBIC Mapping of the Metal-Insulator Transition in Thin-film NbO<sub>2</sub>
STEM EBIC Mapping of the Metal-Insulator Transition in Thin-film NbO<sub>2</sub> Open
This article has been published in a revised form in Microscopy and Microanalysis https://doi.org/10.1017/S1431927617007802. This version is free to view and download for private research and study only. Not for re-distribution, re-sale or…
<i>In Situ</i> Observation of Cooling in a Bismuth Telluride and Bismuth-Antimony Telluride Nanoscale Heterojunction Open
Journal Article In Situ Observation of Cooling in a Bismuth Telluride and Bismuth-Antimony Telluride Nanoscale Heterojunction Get access Gurleen Bal, Gurleen Bal Department of Physics and Astronomy & California NanoSystems Institute, Unive…
Detailed <i>In Situ</i> Observations of Electromigration in Aluminum Wires Open
Journal Article Detailed In Situ Observations of Electromigration in Aluminum Wires Get access Matthew Mecklenburg, Matthew Mecklenburg Center for Electron Microscopy and Microanalysis, University of Southern California, Los Angeles, CA, U…
Aloof Beam Plasmons in Silver Nanoparticles Open
An abstract is not available for this content so a preview has been provided. As you have access to this content, a full PDF is available via the ‘Save PDF’ action button.
Aluminum Nanoparticles as Fiducials for Nanoscale Temperature Measurements Open
Journal Article Aluminum Nanoparticles as Fiducials for Nanoscale Temperature Measurements Get access Matthew Mecklenburg, Matthew Mecklenburg Center for Electron Microscopy and Microanalysis, University of Southern California, Los Angeles…