Explanipedia

Enhanced strengthening via nanoscale composition modulation Open

Manish Jain, Paul G. Kotula, Kyle R. Dorman, Saaketh Desai, Sadhvikas Addamane , et al. · 2025

Experimental evidence of disordered crystalline premixing in sputter-deposited Ni(V)/Al multilayers Open

Michael J. Abere, Paul G. Kotula, Jonathan S. Paras, David P. Adams · 2025

The sputter deposition of alternating layers of Ni(V) and Al forms a reactive multilayer known to undergo self-propagating formation reactions when ignited. The sequential deposition process leads to nanometer-scale premixing of reactants …

Unraveling fundamental mechanisms of silicon nitride crystallization in microelectronics manufacturing Open

Chris Bishop, Tesia D. Janicki, Edwin Chiu, Elizabeth A. Davis, Calvin Parkin , et al. · 2025

Microscopy Society of America Awards: 2025 Award Winners Open

C Alfredo López, Paul G. Kotula · 2025

High-throughput multimodal exploration of a nanocrystalline Cu-Ag library Open

Kyle R. Dorman, Nathan Bianco, Rishabh Kothari, Catherine Sobczak, Saaketh Desai , et al. · 2025

Structural, chemical, and electronic control in Co–SiNx granular metals for high-pass filter applications Open

Simeon Gilbert, Michael P. McGarry, Melissa L. Meyerson, Paul G. Kotula, Luke Yates , et al. · 2025

Granular metals, consisting of nanoscale conducting and insulating regions, have been studied for more than 50 years for fundamental and applied research. Granular metals exhibit non-linear conductivity vs frequency behavior, consistent wi…

Diffusion coefficients predicting facet-dependent crystallization in amorphous silicon nitride Open

Tesia D. Janicki, Jason Gibson, Carlos Chacon, Edwin Chiu, Khalid Hattar , et al. · 2025

Amorphous silicon nitride is a common material in microelectronics devices, which acts as an insulating barrier. Extended annealing times at elevated temperature can initiate crystallization of α-Si₃⁢ N₄, which does n…

High-Throughput Multimodal Exploration of a Nanocrystalline Cu-Ag Library Open

Kyle R. Dorman, Nathan Bianco, Rishabh Kothari, Catherine Sobczak, Saaketh Desai , et al. · 2025

Understanding Local Strength and Fracture Toughness Through Micro- and Nano-mechanical Testing Open

Kevin M. Schmalbach, Eric Hintsala, Frank W. DelRio‬, Scott Grutzik, William Mook , et al. · 2025

Monodisperse Cu Nanoparticles Supported on a Versatile Metal–Organic Framework for Electrocatalytic Reduction of CO2 Open

R. Eric Sikma, Raphael A. Reyes, Danielle Richards, Paul G. Kotula, Melissa Meyerson , et al. · 2024

Rare-earth metal–organic frameworks (REMOFs) based on polynuclear metal clusters are an emerging class of materials that have shown promise for CO₂ capture and conversion. Here, in this work, copper nanoparticles (CuNPs) were su…

Impact of surface pretreatment on Al2O3/GaN and HfO2/GaN band offsets measured by XPS Open

Melissa Meyerson, Peter Dickens, Joseph P. Klesko, Brian Rummel, Paul G. Kotula , et al. · 2024

High‐Entropy Metal‐Organic Frameworks (HEMOFs): A New Frontier in Materials Design for CO2 Utilization (Adv. Mater. 45/2024) Open

R. Eric Sikma, Dayton J. Vogel, Raphael A. Reyes, Melissa Meyerson, Paul G. Kotula , et al. · 2024

Developing a direct upcycling approach for spent lithium ion battery materials via microwave-assisted exfoliation Open

Clare Davis‐Wheeler Chin, Kirsten Jones, Kevin Leung, Candace K. Chan, Bryan R. Wygant , et al. · 2024

High‐Entropy Metal‐Organic Frameworks (HEMOFs): A New Frontier in Materials Design for CO2 Utilization Open

R. Eric Sikma, Dayton J. Vogel, Raphael A. Reyes, Melissa Meyerson, Paul G. Kotula , et al. · 2024

High‐entropy materials (HEMs) emerged as promising candidates for a diverse array of chemical transformations, including CO 2 utilization. However, traditional HEMs catalysts are nonporous, limiting their activity to surface sites. Designi…

Interfacial defect reduction enhances universal power law response in Mo–SiNx granular metals Open

Michael P. McGarry, Simeon Gilbert, Luke Yates, Melissa Meyerson, Paul G. Kotula , et al. · 2024

Granular metals (GMs), consisting of metal nanoparticles separated by an insulating matrix, frequently serve as a platform for fundamental electron transport studies. However, few technologically mature devices incorporating GMs have been …

Gasb-to-Si Direct Wafer Bonding and Thermal Budget Considerations for Photonic Applications Open

William M. Martinez, Evan M. Anderson, Michael Wood, Thomas A. Friedmann, Shawn Arterburn , et al. · 2024

Theory-guided design of duplex-phase multi-principal-element alloys Open

Prashant Singh, D. D. Johnson, Jordan Tiarks, Emma White, Andrew Kustas , et al. · 2024

Nanostructured Materials to Negate Nanosecond Voltage Spikes Open

Simeon Gilbert, Laura Biedermann, Michael Siegal, Michael McGarry, Melissa Meyerson , et al. · 2024

Normally closed thermally activated irreversible solid state erbium hydrides switches Open

Michael J. Abere, Richard J. Gallegos, Matthew W. Moorman, Mark A. Rodriguez, Paul G. Kotula , et al. · 2024

Incorporating Active Cu Sites on Rare-Earth Metal-Organic Frameworks for Catalytic CO2 Conversion Open

Ronald Sikma, Raphael A. Reyes, Melissa Meyerson, Paul G. Kotula, Dorina Sava Gallis · 2024

Novel twinning in shock loaded additive metastable Ti5553 Open

Timothy Ruggles, Josh Kacher, Paul G. Kotula, Brittany Branch, Paul Specht · 2024

Silicon nitride crystallization study via molecular dynamics and the ultra-fast 3-body (UF3) machine-learned interatomic potential Open

Tesia Janicki, Jason Gibson, Carlos Chacon, Edwin Chiu, Scott Grutzik , et al. · 2024

Metal DiSulfide thin films synthesized by pulsed ion beam ablation: Self-assembled structures with improved mechanical properties in humid conditions Open

Timothy Renk, Paul G. Kotula, Bonnie Beth McKenzie, James Anthony Ohlhausen, Mark A. Rodriguez · 2024

Theory-Guided Design of Duplex-Phase Multi-Principal-Element Alloys Open

Prashant Singh, D. D. Johnson, Jordan Tiarks, Emma White, Andrew Kustas , et al. · 2024

Effects of diffusion barriers on reaction wave stability in Co/Al reactive multilayers Open

Michael J. Abere, Robert Veeh Reeves, Catherine Sobczak, Hyein Choi, Paul G. Kotula , et al. · 2023

Bimetallic, reactive multilayers are uniformly structured materials composed of alternating sputter-deposited layers that may be ignited to produce self-propagating mixing and formation reactions. These nanolaminates are most commonly used…

Mesoscale modeling of grain boundaries : Open

Fadi Abdeljawad, Paul G. Kotula, Somuri V. Prasad, Stephen M. Foiles · 2023

Hierarchical Self-Assembly of Carbon Dots into High-Aspect-Ratio Nanowires Open

Terefe G. Habteyes, Eric Westphal, Kenneth M. Plackowski, Paul G. Kotula, Melissa Meyerson , et al. · 2023

We report a spontaneous and hierarchical self-assembly mechanism of carbon dots prepared from citric acid and urea into nanowire structures with large aspect ratios (>50). Scattering-type scanning near-field optical microscopy (s-SNOM) wit…

Porosity, roughness, and passive film morphology influence the corrosion behavior of 316L stainless steel manufactured by laser powder bed fusion Open

Frank W. DelRio‬, Ryan M. Khan, Michael Heiden, Paul G. Kotula, Peter Renner , et al. · 2023

Granular metals with SiN x dielectrics Open

Simeon Gilbert, Melissa Meyerson, Paul G. Kotula, Samantha G. Rosenberg, Thomas Kmieciak , et al. · 2023

Understanding and controlling nanoscale interface phenomena, such as band bending and secondary phase formation, is crucial for electronic device optimization. In granular metal (GM) studies, where metal nanoparticles are embedded in an in…

Automated Workflow Development for 3D Chemical Mapping via TriBeam Tomography Open

Andrew Polonsky, Paul G. Kotula, Julia Deitz, Daniel Perry, Damion Cummings , et al. · 2023

Journal Article Automated Workflow Development for 3D Chemical Mapping via TriBeam Tomography Get access Andrew T Polonsky, Andrew T Polonsky Sandia National Laboratories, Albuquerque, NM, United States Corresponding author: apolon@sandia.…

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