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Displaying 1126 - 1150 of 143726

Water-Enhanced CO2 Capture with Molecular Salt Sodium Guanidinate

June 3, 2024
Author(s)
Hayden Evans, Marcus Carter, Wei Zhou, Taner N. Yildirim, Craig Brown, Hui Wu
Solid-state amine absorbent materials, including those containing guanidine derivatives, have received tremendous attention as the world combats the challenges of climate change. Although these materials are attractive for their selective CO2 capture

Integrated metrology for advanced manufacturing

June 1, 2024
Author(s)
andreas archenti, Wei Gao, Alkan Donmez, Enrico Savio, Naruhiro Irino
The transition from conventional standalone metrology to integrated metrology has been accelerating in advanced manufacturing over the past decade. This keynote paper defines the concept of integrated metrology, which extends beyond parts inspection and

Dealloyed Pt74Ni26 and Pt26Ni74 Electrodeposited Thin Film Electrocatalysts for Oxygen Reduction

May 30, 2024
Author(s)
Carlos Hangarter, Eric Rus, Yihua Liu, Jaw Wook Shin, Vladimir Oleshko, Hyun Wook Ro, Russell Composto, Christopher Soles, Joseph A. Dura, Gery R. Stafford, Leonid Bendersky, Thomas P. Moffat
Pt100-xNix alloys are among the most active binary alloys for electrocatalysis of the oxygen reduction reaction (ORR) in PEM fuel cells. Electrodeposition and microstructure of thin films close to Pt75Ni25 and Pt25Ni75 stoichiometry are described and their

A Critical Analysis of Circular Product Attributes and Limitations of Product Circularity Assessment Methods

May 29, 2024
Author(s)
Junwon Ko, Gisele Bortolaz Guedes, Fazleena Badurdeen, I.S. Jawahir, KC Morris, Vincenzo Ferrero, Buddhika Hapuwatte, Ryan Bradley, Ardeshir Mashhadi
The Circular Economy (CE) has been proposed as a strategy to promote the efficient use of resources, maximizing the benefits derived from materials and products through value recovery strategies, and minimizing waste generation. However, ambiguity remains

Advancing Methodologies for Hurricane Disaster Research Using Social Media Data

May 29, 2024
Author(s)
Emina Herovic, Caerwyn Hartten, Emily Walpole, Katherine Johnson, Cameron Busser
The National Institute of Standards and Technology's (NIST) investigations of disasters and failures that affect the United States including devastating hurricanes like Hurricane Maria (NIST, 2023), require the assessment of risk communication, especially

An autonomous design algorithm to experimentally realize three-dimensionally isotropic auxetic network structures without compromising density

May 29, 2024
Author(s)
Meng Shen, Marcos Reyes-Martinez, Ami Ahure Powell, Mark Iadicola, Abhishek Sharma, Fabian Bylehn, Nidhi Pashine, Edwin P. Chan, Christopher Soles, Heinrich Jaeger, Juan de Pablo
Auxetic materials have a negative Poisson's ratio and are of significant interest in applications that include impact mitigation, membrane separations and biomedical engineering. While there are numerous examples of structured materials that exhibit

Reproducible graphene synthesis by oxygen-free chemical vapour deposition

May 29, 2024
Author(s)
Jacob Amontree, Xingzhou Yan, Christopher DiMarco, Pierre Levesque, Tehseen Adel, Jordan Pack, Madisen Holbrook, Christian Cupo, Zhiying Wang, Dihao Sun, Adam Biacchi, Charlezetta Stokes, Kenji Watanabe, Takashi Taniguchi, Cory Dean, Angela R. Hight Walker, Katayun Barmak, Richard Martel, James Hone
The demonstration of large-scale graphene synthesis on Cu by chemical vapor deposition (CVD) has led to enormous interest worldwide over the past 14 years. The graphene CVD process involves flow of a carbon feedstock (typically methane) over a Cu surface

A New Inelastic Neutron Spectrometer HODACA

May 28, 2024
Author(s)
Hodaka Kikuchi, Shinichiro Asai, Taku Sato, Taro Nakajima, Leland Harriger, Igor Zaliznyak, Takatsugu Masuda
A new multiplex-type inelastic neutron scattering spectrometer, HOrizontally Defocusing Analyzer Concurrent data Acquisition spectrometer (HODACA), was recently developed and built at the C1-1 cold neutron beam port in JRR-3. The spectrometer is suitable

Extracting the electronic structure of light elements in bulk materials through a Compton scattering method in the readily accessible hard X-ray regime

May 28, 2024
Author(s)
Veenavee Kothalawala, Tejas Guruswamy, orlando Quaranta, Umeshkumar Manibhai Patel, Andrey Yakovenko, keith taddei, Meiying Zhang, Kelsey Morgan, Joel Weber, Daikang Yan, Daniel Swetz, Ilja Makkonen, Hemantha Kumar Yeddu, Arun Bansil, Antonino Miceli, Johannes Nokelainen, Bernardo Barbiellini
Our Compton profile measurements of Ti and TiH2 using readily available hard X-ray radiation at 27.5 keV, detected by both a Hitachi Vortex silicon-drift detector (SDD) and a high-resolution superconducting Transition-edge sensor (TES) array, are found to

Identification of Candidate Protein Biomarkers Associated with Domoic Acid Toxicosis in Cerebrospinal Fluid of California Sea Lions (Zalophus californianus)

May 28, 2024
Author(s)
Gautam Ghosh, Ben Neely, Alison Bland, Emily Whitmer, Cara Field, Padraig Duignan, Michael Janech
Since 1998, California sea lion (Zalophus californianus) stranding events associated with domoic acid toxicosis have consistently increased. Currently there are no practical non-lethal clinical tests for the diagnosis of domoic acid toxicosis (DAT) that

Inelastic Neutron Scattering Study of Field Dependence of Magnetic Excitations in CoTiO3

May 28, 2024
Author(s)
Bo Yuan, Ezekiel Horsley, M. B. Stone, Nicholas Butch, Guangyong Xu, Guo-Jiun Shu, J. P. Clancy, Young-June Kim
We report field-dependent high-resolution inelastic neutron scattering (INS) measurements on the honeycomb lattice magnet, CoTiO3, to study the evolution of its magnon excitations across a spin reorientation transition driven by an in-plane magnetic field

Optical n(p, T_90) measurement suite 2: H_2O and D_2O

May 28, 2024
Author(s)
Patrick Egan, Yuanchao Yang
A suite of measurements of refractive index n(p, T_90) is reported for gas phase ordinary water H_2O and heavy water D_2O. The methodology is optical refractive index gas metrology, operating at laser wavelength 633 nm and covering the range (293 T_90 43

Composing Homologous Series on Demand

May 25, 2024
Author(s)
Vladimir Diky, Ala Bazyleva, Andrei F. Kazakov, Angela Li
Compound families or homologous series are frequently used for analysis and prediction of properties of chemical substances. A simple method is proposed for automated composing of such series.

Fiber-coupled 2 mL vacuum-gap Fabry-Perot reference cavity for laser stabilization

May 25, 2024
Author(s)
Charles McLemore, Naijun Jin, Megan Kelleher, Yizhi Luo, Dahyeon Lee, Yifan Liu, Takuma Nakamura, David Mason, Peter Rakich, Scott Diddams, Franklyn Quinlan
Vacuum-gap Fabry-Perot cavities are indispensable tools for vastly improving the frequency stability of lasers, with applications across a diverse range of scientific and industrial pursuits. However, making these cavity-based laser stabilization systems

Inhomogeneous High Temperature Melting and Decoupling of Charge Denisty Waves in Spin-Triplet Superconductor UTe2

May 25, 2024
Author(s)
Alexander LaFleur, Hong Li, Corey Frank, Muxian Xu, Siyu Cheng, Ziqiang Wang, Nicholas Butch, Ilija Zeljkovic
Charge, spin and Cooper-pair density waves have now been widely detected in exotic superconductors. Understanding how these density waves emerge — and become suppressed by external parameters—is a key research direction in condensedmatter physics. Here we

Letter to the editor: Unit one is intrusive

May 24, 2024
Author(s)
David W. Flater
The SI brochure's treatment of quantities that it regards as dimensionless, with the associated unit one, requires certain physical quantities to be regarded as simply numbers. The resulting formal system erases the nature of these quantities and excludes

Standards and Metrology for Viral Vectors as Molecular Tools: Outcomes from a CCQM Workshop

May 24, 2024
Author(s)
Janathan Campbell, Neil Almond, Y Bae, Ravneet Bhuller, Andrea Briones, S-Y CHO, Megan Cleveland, Thomas Cleveland, Francis Galaway, Hua-Jun He, U Herbrand, Jim Huggett, Sarah Kempster, Ibolya Kepiro, Afifa Khan, Edward Kwee, Wilson Li, Sheng Lin-Gibson, Luise Luckau, Caterina Minelli, M Ryadnov, I Searing, Lili Wang, Alexandra Whale, Julian Braybrook
Viral vectors are agents enabling gene transfer and genome editing and have widespread utility across the healthcare and biotechnology sectors. In January 2023, the International Bureau for Weights and Measures' Consultative Committee for Amount of
Displaying 1126 - 1150 of 143726
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