Journals

Thermally stable cross-linked P84 with Superior Membrane H2/CO2 separation properties at 100 oC

January 6, 2019

Author(s)

Maryam Omidvar, Christopher Stafford, Haiqing Lin

Polymers with a strong size-sieving ability and superior H2/CO2 selectivity are of great interests for pre-combustion CO2 capture at 100 oC or above. Polyimides...

Towards a priori uncertainty quantification in coarse-grained molecular dynamics: Generalized multipole potentials

January 6, 2019

Author(s)

Andrew Dienstfrey, Geoffrey B. McFadden, Paul Patrone

Simulation study of the capacitance and charging mechanisms of ionic liquid mixtures near carbon electrodes

January 4, 2019

Author(s)

Alta Y. Fang, Alexander Y. Smolyanitsky

The performance of electric double layer capacitors is strongly influenced by the choice of electrolyte, and electrolytes comprised of ionic liquid mixtures...

Radiation-Pressure Enabled Traceable Laser Sources at High CW Powers

January 4, 2019

Author(s)

Paul A. Williams, Alexandra B. Artusio-Glimpse, Joshua A. Hadler, Daniel King, Ivan Ryger, Tam Vo, John H. Lehman, Kyle A. Rogers

Radiation pressure has recently been shown to have practical application for multi-kilowatt CW laser power measurement. One key advantage lies in its ability to...

Electrical Detection of Singlet Fission in Single Crystal Tetracene Transistors

January 4, 2019

Author(s)

Hyuk-Jae Jang, Emily Bittle, Qin Zhang, Adam Biacchi, Curt A. Richter, David J. Gundlach

Here, we present the electrical detection of singlet fission in tetracene by using a field- effect transistor (FET). Singlet fission is a photo-induced spin...

Towards quality assurance and quality control in untargeted metabolomics studies

January 3, 2019

Author(s)

Richard Beger, Warwick B. Dunn, Abbas Bandukwala, Bianca Bethan, David Broadhurst, Clary B. Clish, Surendra Dasari, Leslie Derr, Annie Evans, Steve Fischer, Thomas Flynn, Thomas Hartung, David Herrington, Richard Higashi, Ping-Ching Hsu, Christina Jones, Maureen Kachman, Helen Karuso, Gary Kruppa, Katrice Lippa, Padma Maruvada, Jonathan D. Mosley, Ionna Ntai, Clair O?Donovan, Mary Playdon, Daniel Raftery, Daniel Shaughnessy, Amanda Souza, Timothy Spaeder, Barbara Spalholz, Mukesh Verma, Tilman Walk, Ian Wilson, Daniel Bearden, Krista Zanetti

We describe here the agreed upon first development steps and priority objectives of a community engagement effort to address current challenges in quality...

Improving the Retrieval of XCO2 from Total Carbon Column Network Solar Spectra

January 3, 2019

Author(s)

Joseph Mendonca, Kimberly Strong, Debra Wunch, Geoffrey Toon, David Long, Joseph T. Hodges, Vincent T. Sironneau

High-resolution absorption spectra of the a^1 ∆_g←X^3 Σ_g^- O2 band measured using cavity ring-down spectroscopy were fitted using the Voigt and speed-dependent...

Defect Evolution of Ion-Exposed Single-Wall Carbon Nanotubes

January 3, 2019

Author(s)

Jana Kalbacova, Elias J. Garratt, Raul D. Rodriguez, Angela R. Hight Walker, Kevin A. Twedt, Jeffrey Fagan, Teresa I. Madeira, Jabez J. McClelland, Babak Nikoobakht, Dietrich R. Zahn

A systematic evaluation of defects is essential to understand and engineer device properties and applications. Raman spectroscopy is employed for the...

Possible hundredfold enhancement in the direct magnetic coupling of a single-atom electron spin to a circuit resonator

January 2, 2019

Author(s)

Bahman Sarabi, Peihao Huang, Neil M. Zimmerman

We report on the challenges and limitations of direct coupling of the magnetic eld from a circuit resonator to an electron spin bound to a donor potential. We...

Controlling femtosecond filament propagation using externally driven gas motion

January 2, 2019

Author(s)

Jared K. Wahlstrand, Nihal Jhajj, H M. Milchberg

The thermal density depression (or density hole) produced by a high repetition rate femtosecond filament in air acts as a negative lens, altering the...

Bulk-state and single-particle imaging are central to understanding carbon dot photo-physics and elucidating the effects of precursor composition and reaction temperature

January 2, 2019

Author(s)

Parinaz Fathi, John S. Khamo, Xuedong Huang, Indrajit Srivastava, Mandy Esch, Kai Zhang, Dipanjan Pan

Model-independent extraction of the shapes and Fourier transforms from patterns of partially overlapped peaks with extended tails

January 1, 2019

Author(s)

Marcus H. Mendenhall, James P. Cline

This work presents a technique for extracting the detailed shape of peaks with extended, overlapping tails in an X-ray powder diffraction pattern. The...

Transformation of Engineered Nanomaterials through the Prism of Silver Sulfidation

January 1, 2019

Author(s)

Fan Zhang, Andrew J. Allen, Aaron C. Johnston-Peck, Jingyu Liu, John M. Pettibone

Structure transformation of engineered nanomaterials (ENMs) often dictates their efficacy, safety, and environmental impact. To address the existing significant...

Efficient MU-MIMO Beamforming Protocol for IEEE 802.11ay WLANs

January 1, 2019

Author(s)

Munsuk Kim, Tanguy Ropitault, SuKyoung Lee, Nada T. Golmie

IEEE 802.11ay supports multi-user multiple-input-multiple-output (MU-MIMO). However, the MU- MIMO BFT (Beamforming Training) is a time-consuming process to find...

Measurement of Ion-Pairing Interactions in Buffer Solutions with Microwave Microfluidics

January 1, 2019

Author(s)

Charles A. Little, Angela C. Stelson, Nathan D. Orloff, Christian J. Long, James C. Booth

Broadband microwave microfluidics is an emerging technique for quantifying the frequency dependent electrical response of fluids in the microwave regime. This...

Simulation of TTT curves for additively manufactured Inconel 625

January 1, 2019

Author(s)

Carelyn E. Campbell, Greta Lindwall, Eric Lass, Fan Zhang, Mark R. Stoudt, Andrew J. Allen, Lyle E. Levine

The ability to use common computational thermodynamic and kinetic tools to study the microstructure evolution in Inconel 625 (IN625) manufactured using the...

Enabling adoption of 2D-NMR for the higher order structure assessment of monoclonal antibody therapeutics

January 1, 2019

Author(s)

Robert G. Brinson, John P. Marino, Frank Delaglio, Luke W. Arbogast, Ryan M. Evans, Anthony J. Kearsley, Yves Aubin, Gregory Pierens, Xinying Jia, David Keizer, Jonas Stahle, Goran Widmalm, Chad Lawrence, Patrick Reardon, John Cort, Koichi Kato, Stuart Parnham, Andreas Blomgren, Torgny Rundlof, Kang Chen, David Keire, Thea Suter-Stahel, Gerhard Wider, Donna Baldisseri, Julie Wu, Mats Wikstrom, Medhi Mobli

Of the top ten drugs on the global market in 2016, seven of them are biologics with a combined market value of over US$60 billion. Moreover, around 2,800...

Artificial gauge fields with ultracold neutral atoms

January 1, 2019

Author(s)

Ian B. Spielman, Victor Galitski, Gediminas Juzeliunas

Gauge fields are ubiquitous in nature. In the context of quantum electrodynamics, you may be familiar with the photon, that represents the dynamical gauge field...

Nanoscale chemical imaging of individual chemotherapeutic cytarabine-loaded liposomal nanocarriers

January 1, 2019

Author(s)

Wieland Karin, Georg Ramer, Victor U. Weiss, Guenter Allmaier, Bernhard Lendl, Andrea Centrone

Dosage of chemotherapeutic drugs is a tradeoff between efficacy and side-effects. Liposomes are nanocarriers that increase therapy efficacy and minimize side...

Hydrogen Finds a Home in Ionic Devices

January 1, 2019

Author(s)

Dustin A. Gilbert, Alexander Grutter

Deciphering Structural and Magnetic Disorder in the Chiral Skyrmion Host Materials Co_xZn^y^Mn_z (x + Y + z = 20)

January 1, 2019

Author(s)

Joshua D. Bocarsly, Colin A. Heikes, Craig Brown, Stephen D. Wilson, Ram Seshadri

Co xZn yMn z (x+y+z = 20) compounds crystallizing in the chiral β-Mn crystal structure are known to host skyrmion spin textures even at elevated temperatures...

Exploration of Porous Metal-Organic Frameworks for Gas Separation and Purification

January 1, 2019

Author(s)

Rui-Biao Lin, Shengchang Xiang, Huabin Xing, Wei Zhou, Banglin Chen

Continuum of Quantum Fluctuations in a Three-Dimensional S = 1 Heisenberg Magnet

January 1, 2019

Author(s)

K. W. Plumb, Hitesh J. Changlani, A. Scheie, Shu Zhang, J. W. Krizan, Jose Rodriguez Rivera, Yiming Qiu, B. Winn, R. J. Cava, Collin L. Broholm

Spin liquids are a fundamentally new phase of matter that cannot be described by a broken symmetry and have no order parameter. While the quantum entanglement...

Atomic layer deposition of MoS2 films using bis(tert-butylimido)-bis(dimethylamido)molybdenum and 1-propanethiol

December 31, 2018

Author(s)

Berc Kalanyan, Ryan Beams, Michael B. Katz, Albert Davydov, James E. Maslar, Ravindra Kanjolia

Proposed commercial applications using transition metal dichalcogenide (TMD) semiconductors such as MoS2 rely on unique material properties that are only...

Chip-scale atomic diffractive optical elements

December 31, 2018

Author(s)

Liron Stern, Douglas G. Bopp, Susan A. Schima, Vincent N. Maurice, John E. Kitching

Atomic systems have long provided a useful material platform with unique quantum properties. The efficient light-matter interaction in atomic vapors has led to...

Fundamental solutions and Gegenbauer expansions of Helmholtz operators on Riemannian spaces of constant curvature

December 31, 2018

Author(s)

Howard S. Cohl, Thinh Dang, Dunster Mark

We compute closed-form expressions for oscillatory and damped spherically symmetric fundamental solutions of the Helmholtz equation in $d$-dimensional...

Improving Accuracy, Precision, Detection Limits, and Sample Throughput in PGAA Using Cold and Thermal Neutrons and Element Ratios

December 28, 2018

Author(s)

Rick Paul

A combination of thermal neutron (TN) and cold neutron (CN) PGAA has been used to improve accuracy, precision, detection limits, and sample throughput time in...

Microwave Monitoring of Atmospheric Corrosion of Interconnects

December 28, 2018

Author(s)

Papa Amoah, Dmitry Veksler, Christopher E. Sunday, Stephane Moreau, David Bouchu, Yaw S. Obeng

Traditional metrology has been unable to adequately address the reliability needs of emerging integrated circuits at the nano scale; thus, new metrology and...

Nondegenerate Parametric Resonance in Large Ensembles of Coupled Micromechanical Cantilevers with Varying Natural Frequencies

December 28, 2018

Author(s)

Christopher B. Wallin, Roberto De Alba, Daron Westly, Glenn Holland, Scott Grutzik, Richard Rand, Alan Zehnder, Vladimir Aksyuk, Slava Krylov, Robert Ilic

We investigate the collective dynamics and nondegenerate parametric resonance (NPR) of coplanar, interdigitated arrays of microcantilevers distinguished by...

Substrate Characteristics that Enable Intrinsically Stretchable Polymer Semiconductors

December 28, 2018

Author(s)

Tianlei Sun, Runqiao Song, Nrup Balar, Pratik Sen, Regis J. Kline, Brendan T. O'Connor