Journals

Quantum Scattering of Icosahedron Fullerene C_60} with Noble-Gas Atoms

April 22, 2024

Author(s)

Eite Tiesinga, Jacek Klos, Svetlana Kotochigova

There exist multiple ways to cool neutral molecules. A front runner is the technique of buffer gas cooling, where momentum-changing collisions with abundant

Benford's law in atomic spectra and opacity databases

April 21, 2024

Author(s)

Yuri Ralchenko, Jean-Christophe Pain

The intriguing law of anomalous numbers, also named Benford's law, states that the significant digits of data follow a logarithmic distribution favoring the

Orphan high field superconductivity in non-superconducting uranium ditelluride.

April 20, 2024

Author(s)

Corey Frank, Sylvia Lewin, Gicela Saucedo Salas, Peter Czajka, Ian Hayes, Hyeok Yoon, Tristin Metz, Johnpierre Paglione, John Singleton, Nicholas Butch

Reentrant superconductivity is an uncommon phenomenon in which the destructive effects of magnetic field on superconductivity are mitigated, allowing a zero

Activity standard and calibrations for 227Th with ingrowing progeny

April 20, 2024

Author(s)

Denis E. Bergeron, Jeffrey T. Cessna, Brittany Broder, Leticia Pibida, Ryan P. Fitzgerald, Morgan DiGiorgio, Elisa Napoli, Brian E. Zimmerman

Thorium-227 was separated from its progeny and standardized for activity by the triple-to-double coincidence ratio (TDCR) method of liquid scintillation

Indium Bump Bonding: Advanced Integration Techniques for Low-Temperature Detectors and Readout

April 20, 2024

Author(s)

Tammy Lucas, John Biesecker, W.Bertrand (Randy) Doriese, Shannon Duff, Malcolm Durkin, Richard Lew, Joel Ullom, Michael Vissers, Dan Schmidt

We have examined the influence of bump shape and bonding pressure on low temperature electrical properties of indium bump connections including transition

Laser cooling 88Sr to microkelvin temperature with an integrated-photonics system

April 19, 2024

Author(s)

Andrew Ferdinand, Zheng Luo, Sindhu Jammi, Zachary Newman, Grisha Spektor, Okan Koksal, Akash Rakholia, Daniel Sheredy, Parth Patel, Travis Briles, Wenqi Zhu, Martin Machai Boyd, Amit Agrawal, Scott Papp

We report on experiments generating a magneto-optical trap (MOT) of 88-strontium (88Sr) atoms at microkelvin temperature, using integrated-photonics devices. Wi

Orphan High Field Superconductivity in Non-Superconducting Uranium Ditelluride

April 19, 2024

Author(s)

Corey Frank, Sylvia Lewin, Gicela Saucedo Salas, Peter Czajka, Ian Hayes, Hyeok Yoon, Tristin Metz, Johnpierre Paglione, John Singleton, Nicholas Butch

Reentrant superconductivity is an uncommon phenomenon in which the destructive effects of magnetic field on superconductivity are mitigated, allowing a zero

Developments and applications of the OPTIMADE API for materials discovery, design, and data exchange

April 18, 2024

Author(s)

Kamal Choudhary, Matthew Evans, Gian-Marco Rignanese

The Open Databases Integration for Materials Design (OPTIMADE) application programming interface (API) empowers users with holistic access to a growing

Solidification behavior and texture of 316L austenitic stainless steel by laser wire directed energy deposition

April 18, 2024

Author(s)

Olivia DeNonno, Alec Saville, Jake Benzing, Jonah Klemm-Toole, Zhenzhen Yu

The solidification behavior and crystallographic texture of 316L austenitic stainless steel builds fabricated via laser-wire directed energy deposition additive

Comparison of Mg-based liquid metal ion sources for scalable focused-ion-implantation doping of GaN

April 18, 2024

Author(s)

Aaron Katzenmeyer, Michael Titze, Sam Frisone, Tony Ohlhausen, Anthony Flores, Deanna Campbell, Bingjun Li, Yongqiang Wang, Jung Han, Edward Bielejec, Rachel Goldman

We compare the suitability of various magnesium-based liquid metal alloy ion sources (LMAIS) for scalable focused-ion-beam (FIB) implantation doping of GaN. We

Efficient first principles based modeling via machine learning: from simple representations to high entropy materials

April 17, 2024

Author(s)

Kangming Li, Kamal Choudhary, Brian DeCost, Michael Greenwood, Jason Hattrick-Simpers

High-entropy materials (HEMs) have recently emerged as a significant category of materials, of- fering highly tunable properties. However, the scarcity of HEM

Experimental speedup of quantum dynamics through squeezing

April 17, 2024

Author(s)

Shaun Burd, Hannah Knaack, Raghavendra Srinivas, Christian Arenz, Alejandra Collopy, Laurent Stephenson, Andrew C. Wilson, David Wineland, Dietrich Leibfried, John J. Bollinger, David Allcock, Daniel Slichter

We show experimentally that a broad class of interactions involving quantum harmonic oscillators can be made stronger (amplified) using a unitary squeezing

Self-Assembly of Hierarchical High-χ Fluorinated Block Copolymers with an Orthogonal Smectic-within-Lamellae 3 nm Sub-Lattice and Vertical Surface Orientation

April 16, 2024

Author(s)

Bijal Patel, Hongbo Feng, Whitney Loo, Chad R. Snyder, Christopher Eom, Julia Murphy, Daniel Sunday, Paul Nealey, Dean DeLongchamp

Hierarchical structure-within-structure assemblies offer a route toward increasingly complex and multifunctional materials while pushing the limits of block

Tunable zero-field magnetoresistance responses in Si transistors: Origins and applications

April 16, 2024

Author(s)

Stephen Moxim, Nicholas Harmon, Kenneth Myers, James P Ashton, Elias Frantz, Michael Flatté, Patrick Lenahan, Jason Ryan

The near-zero-field magnetoresistance (NZFMR) response has proven to be a useful tool for studying atomic-scale, paramagnetic defects that are relevant to the

Computational analysis and experiments of spatter transport in a laser powder bed fusion machine

April 16, 2024

Author(s)

Nicholas O'Brien, Syed Uddin, Jordan Weaver, Jake Jones, Satbir Singh, Jack Beuth

This work focuses on how spatter particles are transported within a laser powder bed fusion (L-PBF) machine. The machine's gas flow rate and salient flow

Measuring bipartite spin correlations of lattice-trapped dipolar atoms

April 16, 2024

Author(s)

Youssef AZIZ ALAOUI, Sean Muleady, Edwin Chaparro, Youssef Trifa, Ana Maria Rey, Tommaso Roscilde, Bruno Laburthe-Tolra, Laurent Vernac

Enhanced localized corrosion resistance of Ni-based alloy 625 processed by directed energy deposition additive manufacturing

April 15, 2024

Author(s)

Karthikeyan Hariharan, Andrew Iams, James Zuback, Todd Palmer, Narasi Sridhar, Rashed Alazemi, Gerald Frankel, Eric Schindelholz

We report a significant improvement in localized corrosion resistance of Ni-based alloy 625 processed by directed energy deposition (DED) in an aggressive

Exploiting nonclassical motion of a trapped ion crystal for quantum-enhanced metrology of global and differential spin rotations

April 15, 2024

Author(s)

R.J. Lewis-Swan, J. Zuniga, Diego Barberena, Ana Maria Rey

Evaluating Models That Predict Epoxy Conversion Using Rheological Properties

April 15, 2024

Author(s)

Stian Romberg, Paul Roberts, Chad R. Snyder, Anthony Kotula

Simultaneous rheology and conversion measurements of neat and composite epoxy resins reveal that conventional models neither accurately nor fully describe the

CCQM-P199: Interlaboratory comparability study of HIV-1 RNA copy number quantification

April 13, 2024

Author(s)

Alison Devonshire, Eloise Busby, Gerwyn Jones, Denise O'Sullivan, Ana Fernandez-Gonzalez, Sachie Shibayama, Shin-ichiro Fujii, Megumi Kato, John Emerson Leguizamon Guerrero, Claudia Patricia Tere Peña, María Mercedes Arias Cortes, Roberto Becht Flatschart, Marcelo Neves de Medeiros, Antonio Marcos Saraiva, Young-Kyung Bae, Inchul Yang, Hee-Bong Yoo, Alexandra Bogožalec Košir, Mojca Milavec, Lianhua Dong, Chunyan Niu, Xia Wang, Phattaraporn Morris, Sasithon Temisak, Megan Cleveland, Peter Vallone, Daniel Burke, Michael Forbes-Smith, Jacob McLaughlin, Samreen Falak, Martin Hussels, Rainer Macdonald, Andreas Kummrow, Burhanettin Yalcinkaya, Sema Akyurek, Muslum Akgoz, Maxim Vonsky, Andrey Runov, Simon Cowen, Stephen Nyangoma, Stephen Ellison, Clare Morris, Neil Almond, Jim Huggett

RNA is measured for a range of applications including clinical virology, disease-related gene expression biomarkers, biotechnology, cell therapy (viral vectors)

Collision-resolved pressure sensing

April 11, 2024

Author(s)

Daniel Carney, Daniel Barker, Thomas W. LeBrun, David Moore, Jacob Taylor

Heat and pressure are ultimately transmitted via quantized degrees of freedom, like gas particles and phonons. While a continuous Brownian description of these

An XIC-centric strategy for improved identification and quantification in proteomic data analyses

April 10, 2024

Author(s)

Guanghui Wang, Zheng Zhang, Yi Liu, Meghan Burke Harris, Sergey Sheetlin, Stephen E. Stein

Investigation of melt pool dynamics and solidification microstructures of laser melted Ti-6Al-4V powder using X-ray synchrotron imaging

April 10, 2024

Author(s)

Nicholas Derimow, Madelyn Madrigal-Camacho, Orion Kafka, Jake Benzing, Edward Garboczi, Samuel J. Clark, Suveen Mathaudhu, Nik Hrabe

Titanium alloy (Ti-6Al-4V) is widely used in additive manufacturing (AM) industry. However, as laser powder-bed fusion (PBF-L) additive manufacturing (AM)

Dielectric Characterization of H2O and CO2 Uptake by Polyethylenimine Films

April 10, 2024

Author(s)

Jan Obrzut, Jennifer Clark, Avery Baumann, Jack F. Douglas

This study investigates the dielectric properties of branched polyethylenimine (PEI) films in relation to their interaction with moisture and CO2. The

Insights into the open circuit voltage of perovskite solar cells under low indoor lighting

April 9, 2024

Author(s)

Behrang Hamadani, Ganga Neupane, Sheng Fu, Zhaoning Song, Yanfa Yan

The rapidly growing interest in indoor photovoltaics for low light energy harvesting applications further necessitates understanding of factors that impact the

Fermi-Level Pinning in ErAs Nanoparticles Embedded in III–V Semiconductors

April 9, 2024

Author(s)

Garnett W. Bryant, Ruiqi Hu, Dai Ho, Quang To, Anderson Janotti

Embedding rare-earth pnictide (RE-V) nanoparticles into III-V semiconductors enables unique optical, electrical, and thermal properties, with applications in

Post-Quantum Cryptography, and the Quantum Future of Cybersecurity

April 9, 2024

Author(s)

Yi-Kai Liu, Dustin Moody

We review the current status of efforts to develop and deploy post-quantum cryptography on the Internet. Then we suggest specific ways in which quantum

Incorporation of random alloy GaBixAs1–x barriers in InAs quantum dot molecules: Alloy strain, orbital effects, and enhanced tunneling

April 8, 2024

Author(s)

Arthur Lin, Matthew Doty, Garnett W. Bryant

Self-assembled InAs quantum dots (QDs), which have long hole-spin coherence times and are amenable to optical control schemes, have long been explored as

Metrology for 2D materials: a perspective review from the international roadmap for devices and systems

April 8, 2024

Author(s)

Albert Davydov, Yaw S. Obeng, Ndubuisi George Orji, Umberto Celano, Daniel Schmidt, Carlos Beitia

The international roadmap of devices and systems (IRDS) projects that 2D materials will be inserted into high-volume manufacturing as channel materials, mostly

Precision Calcination Mechanism of CaCO 3 to High-Porosity Nanoscale CaO CO 2 Sorbent Revealed by Direct In Situ Observations

April 5, 2024

Author(s)

Jenny Martinez, Jenna Wardini, Xueli Zheng, Lauren Moghimi, Jason Rakowsky, Jonathan Means, Huiming Guo, Ivan Kuzmenko, Jan Ilavsky, Fan Zhang, Pratik Dholabhai, Leora Dresselhaus-Marais, William Bowman

Deploying energy storage and carbon capture at scale is hindered by the substantial endothermic penalty of decomposing CaCO3 to CaO and CO2, and the rapid loss