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Displaying 101 - 125 of 73461

Phonon lifetimes and mode softening in cubic Cs2AgBiBr6

June 2, 2025
Author(s)
Zihan Zhang, Peter Gehring, Adam H. Slavney, Julian A. Vigil, Tao Hong, Jose Rodriguez Rivera, Johan Klarbring, Hemamala Karunadasa, Michael Toney, Nicholas Weadock
Metal halide perovskites (MHPs) have emerged as noteworthy candidates for photovoltaic applications in recent years. Their high power-conversion efficiency is largely attributed to the structure-function relationship, which is not well understood. In this

Imaging of induced surface charge distribution effects in glass vapor cells used for Rydberg atom-based sensors

June 1, 2025
Author(s)
Charles Patrick, Noah Schlossberger, Daniel Hammerland, Nikunjkumar Prajapati, Tate McDonald, Samuel Berweger, Rajavardhan Talashila, Alexandra Artusio-Glimpse, Christopher Holloway
We demonstrate the imaging of localized surface electric (E) field effects on the atomic spectrum in a vapor cell used in Rydberg atom-based sensors. These surface E-fields can result from an induced electric charge distribution on the surface. Induced

SEC-SAXS/MC Ensemble Structural Studies of the Microtubule Binding Protein Cdt1 Show Monomeric, Folded-Over Conformations

June 1, 2025
Author(s)
Kyle Smith, Srinivas Chakravarthy, Manas Chakraborty, Kristen M. Vosberg, Marco Tonelli, Maximilian G. Plach, Arabela A. Grigorescu, Joseph E. Curtis, Dileep Varma
Cdt1 is a mixed folded protein critical for DNA replication licensing and it also has a "moonlighting" role at the kinetochore via direct binding to microtubules and the Ndc80 complex. However, it is unknown how the structure and conformations of Cdt1

Sensitivity Study of Operating Conditions and Liquid Water Transport Behavior in an AEMFC Aided by Modeling and Neutron Radiography

June 1, 2025
Author(s)
Mrittunjoy Sarker, Felipe Mojica, Ami Neyerlin, Bryan Pivovar, Daniel Hussey, Jacob LaManna, David Jacobson, Po-Ya Chuang
Two types of anion exchange ionomers, powder and dispersion, are studied in this work. The gas diffusion electrode (GDE) with the dispersion-type ionomer exhibits strong hydrophobicity, thus not enabling sufficient ionic exchange during the potassium

Elucidating the thermal properties and anomalous transport in the 18R polytype of SnSe2

May 30, 2025
Author(s)
Oluwagbemiga Ojo, Wilarachchige D. C. B. Gunatilleke, Winnie Wong-Ng, Tieyan Chang, Yu-Sheng Chen, Joshua Martin, Adam Biacchi, George Nolas
The 18R polytype of SnSe2 possesses unique structural features that can directly impact the transport properties and potential applications of interest; however, a comprehensive understanding of the intrinsic physical properties is lacking. We grew large

Manipulating Hydrocarbon Chain-Melting Transitions in Dialkylammonium Halide Barocaloric Materials through Desymmetrization

May 30, 2025
Author(s)
Faith E. Chen, Jason D. Braun, Jinyoung Seo, Hailey J. Hurd, Malia B. Wenny, Shao-Liang Zheng, Jason J. Calvin, Craig Brown, Jarad Mason
Layered materials containing hydrocarbon bilayers capable of transitioning between an ordered and partially disordered state can exhibit large temperature and entropy changes-termed barocaloric effects-in response to a change in hydrostatic pressure. These

Random pulse sequences for qubit noise spectroscopy

May 30, 2025
Author(s)
Kaixin Huang, Demitry Farfurnik, Alireza Seif, Mohammad Hafezi, Yi-Kai Liu
Qubit noise spectroscopy is an important tool for the experimental investigation of open quantum systems. However, conventional techniques for implementing noise spectroscopy are time-consuming, because they require multiple measurements of the noise

280-GHz aluminum MKID arrays for the Fred Young Submillimeter Telescope

May 29, 2025
Author(s)
Anna Vaskuri, Jordan Wheeler, Jason Austermann, Michael Vissers, James Beall, James R. Burgoyne, Victoria Butler, Scott Chapman, Steve K. Choi, Abigail Crites, Cody J. Duell, Rodrigo Freundt, Anthony Huber, Zachary Huber, Johannes Hubmayr, Jozsef Imrek, Ben Keller, Lawrence Lin, Alicia Middleton, Michael D. Niemack, Thomas Nikola, Douglas Scott, Adrian Sinclair, Ema Smith, Gordon Stacey, Joel Ullom, Jeffrey Van Lanen, Eve Vavagiakis, Samantha Walker, Bugao Zou
First light observations of the 280 GHz instrument module of the Fred Young Submillimeter Telescope (FYST) in the CCAT Collaboration are expected in 2026. The focal plane of this module will consist of three superconducting microwave kinetic inductance

Magnetic Uniformity and Limits on Room-Temperature Magnetization in Strained RuO2/TiO2 Films

May 29, 2025
Author(s)
Xuezhao Wu, Alexander Grutter, Ruizi Liu, Purnima P. Balakrishnan, Christy J. Kinane, Andrew J. Caruana, Yiyang Zhang, Xiaolin Ren, Yifan Jiang, Rolf Lortz, Shiming Lei, Qiming Shao
Altermagnets attract much attention due to their unique spin-splitting energy band and potential applications in spintronics. Ruthenium oxide (RuO2) has been reported as a metallic altermagnet, exhibiting long-range spin-splitting torque without

Pair Wave Function Symmetry in UTe2 from Zero-Energy Surface State Visualization

May 29, 2025
Author(s)
Qiangqiang Gu, Shuqiu Wang, Joseph Carroll, Kuanysh Zhussupbekov, Christopher Broyles, Sheng Ran, Nicholas Butch, Jarryd Horn, Shanta Saha, Johnpierre Paglione, Xiaolong Liu, J. Davis, Dung-Hai Lee
Although nodal spin-triplet topological superconductivity appears probable in uranium ditelluride (UTe2), its superconductive order parameter Δk remains unestablished. In theory, a distinctive identifier would be the existence of a superconductive

Fault-Tolerant Compiling of Classically Hard Instantaneous Quantum Polynomial Circuits on Hypercubes

May 28, 2025
Author(s)
Dominik Hangleiter, Marcin Kalinowkski, Dolev Bluvstein, Madelyn Cain, Nishad Maskara, Xun Gao, Aleksander Kubica, Mikhail Lukin, Michael Gullans
Quantum computational advantage is challenging to maintain asymptotically in the presence of noise. Fault-tolerant quantum computing provides a route to noiseless computations, but can have high overheads for generic algorithms. Here, we develop a fault

VerteBrain reveals novel neuronal and non-neuronal protein assemblies conserved across vertebrate brains

May 28, 2025
Author(s)
Vy Dang, Brittney Voigt, David Yang, Gabriel Hoogerbrugge, Muyoung Lee, Rachael Cox, Ophelia Papoulas, Claire McWhite, Raksha Pradeep, Janelle Leggere, Benjamin Neely, Ryan Gray, Edward Marcotte
Protein-protein interactions in the vertebrate brain underlie key processes such as neurotransmitter release, receptor activation, and signaling pathways that are essential for learning, memory, and cognition. Here, we systematically map protein-protein

Measuring the RCS of Multipoint-Scattering Targets in JCAS Channel Sounding

May 25, 2025
Author(s)
Camillo Gentile, Jack Chuang, Steve Blandino, Jelena Senic, Jihoon Bang, Samuel Berweger
This paper presents a methodology for measuring the radar cross-section (RCS) of a target that scatters power from multiple points on its surface, in the context of joint communication and sensing (JCAS). By leveraging the fine resolution of millimeter

From Crisis to Routine - Standardization of SARS-CoV-2 Genome Detection by Enhanced EQA Schemes in a Scientific Pandemic Network

May 24, 2025
Author(s)
Martin Kammel, Hans-Peter Grunert, Anika Zimmerman, Annemarie Martin, Vanessa Lindig, Samuel Samuleit, Ulf Duehring, Mechthild Adams-Bagusche, Dirk Sander, Hannah Zeichhardt, Christian Drosten, Victor Corman, Daniela Niemeyer, Sandra Ciesek, Holger Rabenau, Martin Obermeier, Robert Ehret, Rolf Kaiser, Jim Huggett, Denise O'Sullivan, Peter Vallone, Megan Cleveland, Samreen Falak, Andreas Kummrow, Esmeralda Valiente, Rainer Macdonald, Mojca Milavec, Sabine Goseberg, Silke Kappler, Natalie Weiss, Laura Vierbaum, Patricia Kaiser, Ingo Schellenberg, Heinz Zeichhardt
The outbreak of the COVID-19 pandemic led to a crisis situation in which diagnostic methods for the genome detection of the emerging SARS-CoV-2 were urgently needed from the beginning of 2020 for patient diagnostics, detection of infection chains and

Elongated particles in flow: commentary on small-angle scattering investigations

May 23, 2025
Author(s)
Guan-Rong Huang, Lionel Porcar, Ryan Murphy, Yuya Shinohara, Yangyang Wang, Jan-Michael Carrillo, Bobby G. Sumpter, Chi-Huan Tung, Lijie Ding, Changwoo Do, Wei-Ren Chen
This work thoroughly examines several analytical tools, each possessing a different level of mathematical intricacy, for the purpose of characterizing the orientation distribution function of elongated objects under flow. Our investigation places an

Towards an Understanding of Robotic Bin-Picking Throughput

May 22, 2025
Author(s)
Anirudh Krishnan Komaralingam, Prem Rachakonda, Kamel Saidi, Armin Khatoonabadi
NIST is leading and supporting multiple efforts to develop standards for 3D imaging systems used for industrial automation. There are few standards for verifying the performance of these systems and NIST is working with ASTM subcommittee E57.23 on
Displaying 101 - 125 of 73461
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