Journals

Precision determination of absolute neutron flux

June 8, 2018

Author(s)

Jeffrey S. Nico, Maynard S. Dewey, David M. Gilliam, Andrew T. Yue, Eamon Anderson, Geoff Greene, Alexander Laptev, William M. Snow

A technique for establishing the total neutron rate of a highly-collimated monochromatic cold neutron beam was demonstrated using the method of an alpha- gamma...

Stakeholder Identification and Use Case Representation for Internet-of-Things Applications in Healthcare

June 8, 2018

Author(s)

Nancy Laplante, Phil Laplante, Jeff Voas

We begin the process of eliciting requirements for an Internet of Things application involving a hospital emergency room. First, we discuss the process of...

Dynamics of Phospholipid Membranes Beyond Thermal Undulations

June 7, 2018

Author(s)

Sudipta Gupta, Judith U. De Mel, Rasangi M. Perera, Piotr Zolnierczuk, Markus Bleuel, Antonio Faraone, Gerald J. Schneider

We investigated the molecular dynamics of unilamellar lipsomes by neutron spin echo spectroscopy. We report the first experimental evidence of a short-range...

Electronic Properties and Structure of Single Crystal Perylene

June 6, 2018

Author(s)

Sujitra J. Pookpanratana, Katelyn Goetz, Emily G. Bittle, Hamna Haneef, Lin You, Christina A. Hacker, Steven W. Robey, Oana Jurchescu, Ruslan Ovsyannikov, Erika Giangrisostomi

The transport properties of electronic devices made from single crystalline molecular semiconductors outperform those composed of thin-films. To further...

Short-wave infrared compressive imaging of single photons

June 6, 2018

Author(s)

Thomas Gerrits, Daniel Lum, Varun B. Verma, John Howell, Richard P. Mirin, Sae Woo Nam

We present a short-wave infrared (SWIR) single photon camera based on a single superconducting nanowire single photon detector (SNSPD) and compressive imaging...

Chain Terminal Group Leads to Distinct Thermoresponsive Behaviors of Linear PNIPAM and Polymer Analogs

June 6, 2018

Author(s)

Xiaolong Lang, Alexander D. Patrick, Boualem Hammouda, Michael J. A. Hore

Poly(alkyl acrylamides), most notable poly(N-isopropylacrylamide) (PNIPAM), are widely studied thermoresponsive polymers. Linear PNIPAM, poly(N-n...

Amorphous BN - Hexagonal MoTe2 Heterostructures for Improved Oxidation Resistance and Endurance of 2D Field Effect Transistors

June 6, 2018

Author(s)

Benjamin Sirota, Nicholas Glavin, Sergiy Krylyuk, Albert Davydov, Andrey A. Voevodin

Environmental and thermal stability of two-dimensional (2D) transition metal dichalcogenides (TMDs) remains a fundamental challenge towards enabling robust...

The Effect of Nitrogen on the 4H-SiC/SiO2 Interface Studied with Variable Resonance Frequency Spin Dependent Charge Pumping

June 5, 2018

Author(s)

Mark Anders, Patrick M. Lenahan, Aivars Lelis

Stitching Evaluation Methodology for Sparse Microscopy Images

June 5, 2018

Author(s)

Joe Chalfoun, Michael P. Majurski, Changming Sun, Ching-Wei Wang, Peter Bajcsy, Mary C. Brady

Large T1 contrast enhancement using superparamagnetic nanoparticles in ultra-low field MRI

June 5, 2018

Author(s)

Xiaolu Yin, Stephen E. Russek, Gary Zabow, Fan Sun, Jeotikanta Mohapatra, Kathryn E. Keenan, Michael A. Boss, Hao Zeng, Sy-Hwang Liou, John M. Moreland

Superparamagnetic iron oxide nanoparticles (SPIONs) are widely investigated and utilized as magnetic resonance imaging (MRI) contrast and therapy agents due to...

Amplitude Mode in the Planar Triangular Antiferromagnet Na_0.9MnO₂

June 5, 2018

Author(s)

Rebecca L. Dally, Yang Zhao, Zhijun Xu, Robin Chisnell, M. B. Stone, Jeffrey W. Lynn, Leon Balents, Stephen D. Wilson

Amplitude modes that arise from continuous symmetry breaking in materials are of broad interest as condensed matter analogs of the Higgs boson in particle...

Demonstration of a Chamber for Strain Mapping of Steel Specimens Under Mechanical Load in a Hydrogen Environment by Synchrotron Radiation

June 4, 2018

Author(s)

Matthew J. Connolly, Peter E. Bradley, Damian S. Lauria, Andrew J. Slifka, Elizabeth S. Drexler

We present a demonstration of a chamber for diffraction measurements of lattice strain for specimens in hydrogen gas under mechanical load. The chamber is...

Distributed Algorithm for Suppressing Epidemic Spread in Networks

June 4, 2018

Author(s)

Van Sy Mai, Abdella Battou, Kevin L. Mills

This paper considers problems related to suppressing epidemic spread over networks given limited curing resources. The spreading dynamic is captured by a...

Octave-spanning dual frequency comb spectroscopy in the molecular fingerprint region

June 4, 2018

Author(s)

Henry R. Timmers, Abijith S. Kowligy, Alexander J. Lind, Flavio Caldas da Cruz, Nima Nader, Myles C. Silfies, Thomas K. Allison, Gabriel G. Ycas, Peter G. Schunemann, Scott B. Papp, Scott A. Diddams

Spectroscopy in the molecular fingerprint spectral region (6.5-20 $\mu$m) yields critical information on material structure for physical, chemical and...

Thermodynamic properties of 2 methylindole: experimental and computational results for gas-phase entropy and enthalpy of formation

June 3, 2018

Author(s)

Robert D. Chirico, Yauheni Paulechka, Ala Bazyleva, Andrei F. Kazakov

Measurements leading to the calculation of thermodynamic properties in the ideal-gas state for 2-methylindole (Chemical Abstracts registry number [95-20-5]) are...

Long-Term Ceramic Reliability Analysis including the Crack-Velocity Threshold and the "Bathtub" Curve

June 2, 2018

Author(s)

Robert F. Cook

A thermally-activated crack-velocity formulation that includes a threshold at thermodynamic equilibrium is used in the prediction of long-term time-to-failure...

EDS Microanalysis: Pushing the Limits

June 1, 2018

Author(s)

Nicholas Ritchie, Dale E. Newbury, Michael Mengason, Heather Lowers

It is a great time to be a microanalyst. After a few decades of incremental progress in energy dispersive X-ray spectrometry (EDS), the last decade has seen the...

Foreword for the Special Issue on Advanced Neutron Scattering Instrumentation

June 1, 2018

Author(s)

D.N. Argyriou, Andrew Allen

Neutron scattering facilities are called to address an ever-expanding mission in the investigation, development and use of a broad range of materials: from...

Quick health assessment for industrial robot health degradation and the supporting advanced sensing development

June 1, 2018

Author(s)

Guixiu Qiao, Brian A. Weiss

Robotic technologies are becoming more integrated with complex manufacturing environments. The addition of greater complexity leads to more sources of faults...

An update on dose calibrator settings for nuclides used in nuclear medicine

June 1, 2018

Author(s)

Denis E. Bergeron, Jeffrey T. Cessna

Most clinical measurements of radioactivity, whether for therapeutic or imaging nuclides, rely on commercial reentrant ionization chambers (dose calibrators)...

Performance of a segmented 6Li-loaded liquid scintillator detector for the PROSPECT experiment

June 1, 2018

Author(s)

Hans P. Mumm, Denis E. Bergeron, Jerome J. LaRosa, Mark A. Tyra, Svetlana Nour

This paper describes the design and performance of a 50 liter, two-segment 6Li-loaded liquid scintillator detector that was designed and operated as prototype...

Imaging linear and circular polarization features in leaves with complete Mueller matrix polarimetry

June 1, 2018

Author(s)

C.H. L. Patty, David Luo, Frans Snik, Freek Ariese, Wybren J. Buma, Inge L. ten Kate, Rob J. van Spanning, William Sparks, Thomas Germer, Gy?z? Garab, Michael W. Kudenov

Spectropolarimetry of intact plant leaves allows to probe the molecular architecture of vegetation photosynthesis in a non-invasive and non-destructive way and...

Collapse Prevention Seismic Performance Assessment of New Buckling-Restrained Braced Frames using ASCE 41

June 1, 2018

Author(s)

Matthew S. Speicher, John L. Harris

This paper presents the results of a seismic performance assessment using ASCE 41-06 for six buckling-restrained braced frames (BRBFs) designed in accordance...

Nanoscale photocurrent mapping in perovskite solar cells

June 1, 2018

Author(s)

Yohan Yoon, Dongheon Ha, Ik Jae Park, Paul M. Haney, Sangwook Lee, Nikolai Zhitenev

In this work, we study spatially-resolved generation of photocurrent of methylammonium lead iodide (CH3NH3PbI3) perovskite solar cells to reveal the microscopic...

Optimization of ⁶LiF:ZnS(Ag) Scintillator Light Yield using GEANT4

June 1, 2018

Author(s)

Y. Yehuda-Zada, Kevin N. Pritchard, Jeffrey B. Ziegler, P. Yvonne Barnes, Kerry Siebein, M. Jackson, C. Hurlbut, Y. Kadmon, Y. Cohen, R. M. Ibberson, Charles Majkrzak, Nicholas C. Maliszewskyj, I. Orion, A. Osovizky

A new cold neutron detector has been developed at the NCNR for the CANDoR project. Geometric and performance constraints dictate that this detector be...

Development of combined microstructure and structure characterization facility for in situ and operando studies at the Advanced Photon Source

June 1, 2018

Author(s)

Jan Ilavsky, Fan Zhang, Ross N. Andrews, Ivan Kuzmenko, Pete R. Jemian, Lyle E. Levine, Andrew J. Allen

Following many years of evolutionary development, first at the National Synchrotron Light Source, Brookhaven National Laboratory, and then at the Advanced...

Highly Reversible Zinc Metal Anode for Aqueous Batteries

June 1, 2018

Author(s)

Fei Wang, Oleg Borodin, Tao Gao, Xiulin Fan, Wei Sun, Fudong Han, Antonio Faraone, Joseph Dura, Kang Xu, Chunsheng Wang

Metallic zinc (Zn) has been regarded as an ideal anode material for aqueous batteries, because of its high theoretical capacity (820 mAh/g), low electrochemical...

Electromagnetically Induced Transparency (EIT) and Autler-Townes (AT) splitting in the Presence of Band-Limited White Gaussian Noise

May 31, 2018

Author(s)

Christopher L. Holloway, Joshua A. Gordon, Matthew T. Simons, Marcus D. Kautz

We investigate the effect of band-limited white Gaussian noise (BLWGN) on electromagnetically induced transparency (EIT) and Autler-Townes (AT) splitting, when...

Navigating Unmountable Media with the Digital Forensics XML File System

May 31, 2018

Author(s)

Alexander J. Nelson, Alexandra Chassanoff, Alexandra Holloway

Some computer storage is non-navigable by current general-purpose computers. This could be because of obsolete interface software, or a more specialized storage...

Recent Developments in Surface Science and Engineering, Thin Films, Nanoscience, Biomaterials, Plasma Science, and Vacuum Technology

May 31, 2018

Author(s)

Miran Mozetic, Alenka Vesel, Gregor Primc, J. Bauer, A. Eder, G. H. S. Schmid, David Ruzic, Zeeshan Ahmed, Daniel Barker, Kevin O. Douglass, Stephen Eckel, James A. Fedchak, Jay H. Hendricks, Nikolai Klimov, Jacob Edmond Ricker, Julia Scherschligt, Jack A. Stone Jr., Gregory F. Strouse, I. Capan, M Buljan, S. Milosevic, C Teichert, S R. Cohen, A G. Silva, M Lehocky, P Humpolicek, C Rodriguez, J Hernandez-Montelongo, E Punzon-Quijorna, D Mercier, M Manso-Silvan, G Ceccone, A Galtayries, K Stana-Kleinschek, I Petrov, J E. Greene, J Avila, C Y. Chen, B Caja, H Yi, A Boury, S Lorcy, M C. Asensio, T Gans, D O?Connell, F Reniers, A Vincze, M Anderle

Nanometer-sized structures, surfaces and sub-surface phenomena have played an enormous role in science and technological applications and represent a driving...