Robert E. Delaney

Fabrication and magnetic characterization of phosphate-coated iron–cobalt soft magnetic composites

Charles Joseph Pearce, Thomas M. Szenderski, Robert E. Delaney, Adrian Portales et autres

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Solution‐Phase Metathesis of Li 3 N and FeCl 3 to Synthesize Fe 2 N/Fe 3 N Nanoparticles

Tyler Stevens, Melinda R. Hoyt, Lisa J. Whalen, Mark A. Rodriguez et autres

Abstract Soft magnetic materials play key roles in the flow of energy in electrically driven machines and power conversion electronics, and there is a great need for improvements in their magnetic properties to provide the right combination of high saturation magnetization, low …

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1156 A Cross-Sectional Survey Assessing Law Enforcement and Healthcare Provider Perceptions and Preferences Surrounding an Opioid Sensor Device

Lennart Hohmann, Karl Marlowe, Robert E. Delaney, Xiang Zhang

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Strain-Dependent Photodetection with Layered InSe Photoconductors

Luke Philpott, Brett C. Johnson, Marco Fronzi, Eliza Rokhsat et autres

Controlled bandgap modulation is of particular interest for next generation optoelectronic devices, allowing the development of ‘active’ or ‘reconfigurable’ detectors and emitters. In van der Waals layered semiconductors, which exhibit high strain tolerance, strain has become a notable tool for active bandgap …

au (code pays fourni par la source)

Iron nitride soft magnets for electric motors

Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States), Todd Monson, Vehicle Technologies Program, Charles Pearce et autres

Iron nitride soft magnets for electric motors

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Microstructure and Magnetic Evolution in a Fe-Co-2V Soft Magnetic Alloy Processed via Additive Friction Stir Deposition

Michael Amling, Andrew B. Kustas, Kyle Johnson, Donald Francis Susan et autres

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Ultraviolet Laser Activation of Phosphorus‐Doped Polysilicon Layers for Crystalline Silicon Solar Cells

Yijun Wang, Di Yan, Jesús Ibarra Michel, Sanje Mahasivam et autres

Abstract In crystalline silicon photovoltaics (c‐Si PV), a pulsed laser can be used as a substitute for a high‐temperature furnace dopant diffusion/activation step. In contrast to furnace‐based activation, lasers can be used to achieve highly localized doping with controlled dopant concentrations, useful …

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Functionally graded magnetic materials: a perspective to advance charged particle optics through compositional engineering

Eric J. Lang, Zachary B. Milne, Jesse Adamczyk, Erin Barrick et autres

Additive manufacturing has ushered in a new paradigm of bottom-up materials-by-design of spatially non-uniform materials. Functionally graded materials have locally tailored compositions to provide optimized global properties and performance. In this letter, we propose an opportunity for the application of graded magnetic …

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Functional Grading Between Soft-Magnetic Fe–Co/Fe–Ni Alloys and the Effect on Magnetic and Microstructural Properties

Jesse Adamczyk, Erin Barrick, Charles Joseph Pearce, Robert E. Delaney et autres

Producing soft magnetic alloys by additive manufacturing has the potential to overcome cracking and brittle fracture issues associated with conventional thermomechanical processing. Fe–Co alloys exhibit high magnetic saturation but low ductility that makes them difficult to process by commercial methods. Ni–Fe alloys …

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Characterization of Fe-6Si Soft Magnetic Alloy Produced by Laser-Directed Energy Deposition Additive Manufacturing

Jesse Adamczyk, Sarah Birchall, Ethan T. Rothermel, Shaun Whetten et autres

Abstract Commercial electrical steels, Fe-Si alloys with < 4 wt.% Si, are inexpensive and efficient materials for electrical power conversion. Further efficiency improvements require increasing the silicon concentration to 6 wt.%, at which point the material becomes brittle and difficult to form …

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Fabrication and characterization of net-shaped iron nitride-amine-epoxy soft magnetic composites

Melinda R. Hoyt, Gillian I. Falcon, Charles Joseph Pearce, Robert E. Delaney et autres

Soft magnetic composites (SMCs) offer a promising alternative to electrical steels and soft ferrites in high performance motors and power electronics. They are ideal for incorporation into passive electronic components such as inductors and transformers, which require a non-permanent magnetic core to …

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Exploring Iron Nitride-Based Soft Magnetic Composites for Electric Vehicle Technologies.

Melinda Hoyt, Charles Joseph Pearce, Sophia Shaar, Sydney Fultz-Waters et autres

Soft magnetic composites (SMCs) may improve the peak and specific power of electric motors while answering the need for cost reduction and replacement of rare earth materials.DOE 2025 goals target a peak power of 100 kW and a specific power of 50 …

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