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Materials

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Displaying 326 - 350 of 2363

Enhancement of Optical Absorption by Oxygen Plasma Treatment in Carbon Nanotube-based Black Paint Coating

July 5, 2023
Author(s)
Atasi Dan, Joel Rutkowski, Patrick McArdle, Erica Freire Antunes, Nathan Tomlin, Malcolm White, Michelle Stephens, John H. Lehman
Effect of oxygen (O2) plasma treatment on reflectance properties and surface morphology of CNT-based paint was investigated. We demonstrate a specular reflectance less than 0.10% and hemispherical reflectance less than 2.5% throughout the UV-Vis-NIR range.

Operando photoelectron spectromicroscopy of nanodevices: Correlating the surface chemistry and transport in SnO2 nanowire chemiresistors

June 29, 2023
Author(s)
Andrei Kolmakov, Trey Diulus, Kurt D. Benkstein, Stephen Semancik, Majid Kazemian, Matteo Amati, Maya Kiskinova, Luca Gregoratti
With size reduction of active elements in microelectronics to tens of nanometers and below, the effect of surface and interface properties on overall device performance becomes crucial. High resolution spectroscopic and imaging techniques provide a

Scaling the Projectile Perforation Resistance of Soft Materials

June 29, 2023
Author(s)
Katherine Evans, Shawn Chen, Amanda Souna, Stephan J. Stranick, Christopher Soles, Edwin P. Chan
From space dust to ballistic impact, controlling or mitigating a high velocity projectile impact event is a desirable outcome. The design and development of new and novel impact mitigating materials are greatly hindered by the use of macroscale projectile

Detailed analysis of the synthesis and structure of MAX phase (Mo0.75V0.25)5AlC4 and its MXene (Mo0.75V0.25)5C4

June 27, 2023
Author(s)
Rose Snyder, Mikkel Juelsholt, Curran Kalha, Jason Holm, Elisabeth Mansfield, Tien-Lin Lee, Pardeep Thakur, Aysha Riaz, Benjamin Moss, Anna Regoutz, Christina Birkel
MAX phases with the general formula Mn+1AXn are layered carbides, nitrides and carbonitrides with varying stacking sequence of layers of M6X octahedra and the A-element depending on n. While "211" MAX phases (n = 1) are very common, MAX phases with higher

Sodium Carbazolide and Derivatives as Solid-State Electrolytes for Sodium-Ion Batteries

June 26, 2023
Author(s)
Yang Yu, Jintao Wang, Zhaoxian Qin, Yingtong Lv, Qijun Pei, Khai C. Tan, Tengfei Zhang, Anan Wu, Hui Wu, Andrew S. Lipton, Ping Chen
Replacing widely used organic liquid electrolytes with solid-state electrolytes (SSEs) could effectively solve the safety issues in sodium-ion batteries. Efforts on seeking novel solid-state electrolytes have been continued for decades. However, issues

Influence of Hard/Soft Layer Ordering on Magnetization Reversal of Bimagnetic Nanoparticles: Implications for Biomedical/Theranostic Applications

June 14, 2023
Author(s)
Corisa Kons, Kathryn L. Krycka, Joshua Robles, Nikolaos Ntallis, Manuel Pereiro, Manh-Huong Phan, Hariharan Srikanth, Julie A. Borchers, Dario A. Arena
We investigate the spatial distribution of spin orientation in magnetic nanoparticles consisting of hard and soft magnetic layers. The nanoparticles are synthesized in a core / shell spherical morphology where the magnetically hard, high anisotropy layer

Assessment of a Parachor Model for the Surface Tension of Binary Mixtures

June 7, 2023
Author(s)
Alexandra Metallinou Log, Vladimir Diky, Marcia L. Huber
We constructed an experimental database for the surface tension of binary mixtures containing a wide variety of fluids, from the chemical classes (water, alcohols, amines, ketones, linear and branched alkanes, naphthenes, aromatics, refrigerants, and

Anisotropy Factors in Small-Angle Scattering for Dilute Rigid-Rod Suspensions

June 1, 2023
Author(s)
Jack Rooks, Peter H. Gilbert, Lionel Porcar, Yun Liu, Paul Butler
Alignment of anisotropic particles along specific orientations influences the mechanical and rheological properties of a material. Small-angle scattering techniques are widely used to probe this alignment through analysis of anisotropic two-dimensional sca

Exclusive Recognition of CO2 from Hydrocarbons by Aluminum Formate with Hydrogen-Confined Pore Cavities

May 31, 2023
Author(s)
Zhaoqiang Zhang, Zeyu Deng, Hayden Evans, Dinesh Mullangi, Chengjun Kang, Shing B. Peh, Yuxiang Wang, Craig Brown, John Wang, Pieremanuele Canepa, Anthony K. Cheetham, Dan Zhao
Exclusive capture of carbon dioxide (CO2) from hydrocarbons via adsorptive separation is an important technology in the petrochemical industry, especially for acetylene (C2H2) production. However, the physicochemical similarities between CO2 and C2H2

Negligible Magnetic Losses at Low Temperatures in Liquid Phase Epitaxy Grown Y3Fe5O12 Films

May 31, 2023
Author(s)
A. Will-Cole, James L. Hart, Valeria Lauter, Alexander Grutter, Carsten Dubs, Morris Lindner, Timmy Reimann, Nichole R. Valdez, Charles J. Pearce, Todd C. Monson, Judy J. Cha, Don Heiman, Nian X. Sun
Yttrium iron garnet (Y3Fe5O12, YIG) has a unique combination of low magnetic damping, high spin wave conductivity, and insulating properties that make it a highly attractive material for a variety of applications in the fields of magnetics and spintronics

Determining Steel Weld Qualification and Performance for Hydrogen Pipelines: Phase I Report

May 23, 2023
Author(s)
Matthew Connolly, May Ling Martin, Zack Buck, Newell Moser, Enrico Lucon, Damian Lauria, Peter Bradley, Andrew Slifka, Robert Amaro
This report details the results of Phase I of the DOT/PHMSA sponsored work on "Determining Steel Weld Qualification and Performance for Hydrogen Pipelines". In this work, the goals of Phase I were 1) to perform a literature review of steel weld

Phosphate-Functionalized MOF-808 for High Performance Li-S Batteries

May 8, 2023
Author(s)
Bingqian Liu, Avery Baumann, Megan Butala, V. Sara Thoi
Lithium–sulfur batteries are promising candidates for next-generation energy storage devices due to their outstanding theoretical energy density. However, they suffer from low sulfur utilization and poor cyclability, greatly limiting their practical

Noncryogenic Air Separation using Aluminum Formate Al(HCOO) 3 (ALF)

May 3, 2023
Author(s)
Dinesh Mullangi, Hayden Evans, Taner N. Yildirim, Yuxiang Wang, Zeyu Deng, Zhaoqiang Zhang, Thuc Mai, Fengxia Wei, John Wang, Angela R. Hight Walker, Craig Brown, Dan Zhao, Pieremanuele Canepa, Anthony K. Cheetham
Separating oxygen from air to create oxygen-enriched gas streams is a process that is significant in both industrial and medical fields. However, the prominent technologies for creating oxygen-enriched gas streams are both energy and infrastructure

AI for Materials

April 25, 2023
Author(s)
Debra Audus, Kamal Choudhary, Brian DeCost, A. Gilad Kusne, Francesca Tavazza, James A. Warren
The application of artificial intelligence (AI) methods to materials re- search and development (MR&D) is poised to radically reshape how materials are discovered, designed, and deployed into manufactured products. Materials underpin modern life, and

Forward and Inverse design of high $T_C$ superconductors with DFT and deep learning

April 21, 2023
Author(s)
Daniel Wines, Kevin Garrity, Tian Xie, Kamal Choudhary
We developed a multi-step workflow for the discovery of next-generation conventional superconductors. 1) We started with a Bardeen–Cooper–Schrieffer (BCS) inspired pre-screening of 55000 materials in the JARVIS-DFT database resulting in 1736 materials with

Superconformal Film Growth: From Smoothing Surfaces to Interconnect Technology

April 20, 2023
Author(s)
Thomas P. Moffat, Trevor Braun, David Raciti, Daniel Josell
CONSPECTUS: State-of-the-art manufacturing of electronics involves the electrodeposition of Cu to form 3-D circuitry of arbitrary complexity. This ranges from nanometers wide interconnects between individual transistors to increasingly large multilevel

Correlating the Diffusion of Water in Model Polyamides with Controlled Crosslink Densities to the Performance in Reverse Osmosis Membranes for Desalination

April 18, 2023
Author(s)
Velencia Witherspoon, Kanae Ito, Chad R. Snyder, Madhusudan (Madhu) Tyagi, Tyler Martin, Peter Beaucage, Ryan Nieuwendaal, Richard Vallery, David Gidley, Jeffrey Wilbur, Dean Welsh, Christopher Stafford, Christopher Soles
To elucidate robust design cues for improving the active polyamide (PA) filtration layers in reverse osmosis (RO) membrane for desalination, we systematically reduce the cross-link density of a PA network based on m-phenylene diamine by substituting a
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