Journals

Optimizing linearity in high-speed photodiodes

November 7, 2018

Author(s)

Josue Davila-Rodriguez, X. Xie, J. Zang, Christian J. Long, Tara M. Fortier, Holly F. Leopardi, Takuma Nakamura, J. C. Campbell, Scott A. Diddams, Franklyn J. Quinlan

Analog photonic links require high fidelity, high speed optical-to-electrical conversion for applications such as radio-over-fiber, synchronization at kilometer...

A Metal?Organic Framework with Suitable Pore Size and Specific Functional Site for the Removal of Trace Propyne from Propylene

November 7, 2018

Author(s)

Libo Li, Hui-Min Wen, Chaohui He, Rui-Biao Lin, Rajamani Krishna, Hui Wu, Wei Zhou, Jinping Li, Banglin Chen

Removal of trace propylene (C 3H 4) from propylene/propyne (C 3H 4/C 3H 6) mixtures is more complicated and challenging than that of acetylene/ethylene (C 2H 2...

Bimetallic Metal Organic Frameworks with Precisely Positioned Metal Centers for Efficient H₂ Storage

November 7, 2018

Author(s)

Daeok Kim, Kyung S. Song, Onur Buyukcakir, Taner N. Yildirim, Ali Coskun

Compressive characterization of telecom photon pairs in the spatial and spectral degrees of freedom

November 6, 2018

Author(s)

Omar S. Magana Loaiza

In the past few years, physicists and engineers have demonstrated the possibility of utilizing multiple degrees of freedom of the photon to perform information...

Tuning the Relaxation of Nanopatterned Polymer Films with Polymer-Grafted Nanoparticles: Observation of EntropyEnthalpy Compensation

November 6, 2018

Author(s)

Jack F. Douglas, Xiaoteng Wang, Sonal Bhadauriya, Ren Zhang, Praveen Pitliya, Dharmaraj Raghavan, Alamgir Karim

We show that the previously observed polymeric clustering of nanoparticles (NPs) with grafted chains within polymer matrices can be pattern-directed by...

Tuning the Relaxation of Nano-Patterned Polymer Films with Polymer-Grafted Nanoparticles: Observation of Entropy-Enthalpy Compensation

November 6, 2018

Author(s)

Sonal Bhadauriya, Xiaoteng Wang, Jack F. Douglas, Praveen Pitliya, Jianan Zhang, Dharmaraj Raghavan, Michael R. Bockstaller, Christopher Stafford, Alamgir Karim

Polymer films provide a versatile "plastic" material in which complex functional relief patterns can be imprinted with a resolution down to tens of nanometers...

Report from the Winter Mid-Atlantic Microbiome Meet-up on Biodefense and Pathogen Detection, College Park, MD January 10th, 2018

November 5, 2018

Author(s)

Jacquelyn S. Meisel, Daniel Nasko, Brian Brubach, Victoria Cepeda Espinoza, Jessica Chopyk, Hector Corrada Bravo, Marcus Fedarko, Jay Ghurye, Kiran Javkar, Nathan D. Olson, Nidhi Shah, Sarah M. Allard, Adam L. Bazinet, Nichloas H. Bergman, Alexis Brown, Greg Caporaso, Sean Conlan, Jocelyn DiRuggiero, Samuel Forry, Nur A. Hasan, John Julias, Paul M. Luethy, Donald K. Milton, Brian Ondov, Sarah Preheim, Tara O'Toole, Stephanie Rogers, M.J. Rosovitz, Eric G. Sakowski, Nils O. Schliebs, Daniel D. Sommer, Krista Ternus, German Uritskiy, Sean X. Zhang, Mihai Pop, Todd Treangen

The Mid-Atlantic Microbiome Meet-up (M3) organization held its fourth meeting on January 10, 2018 in College Park, Maryland. M3 brings together academic...

A Survey on Knowledge Transfer for Manufacturing Data Analytics

November 5, 2018

Author(s)

Seung Hwan Bang, Ronay Ak, Anantha Narayanan Narayanan, Yung-Tsun T. Lee, Hyunbo Cho

Data analytics techniques have been used for numerous manufacturing applications in various areas. A common assumption of data analytics models is that the...

Measuring the difference in nuclear charge radius of Xe isotopes by EUV spectroscopy of highly charged Na-like ions

November 5, 2018

Author(s)

Roshani Silwal, A. Lapierre, John D. Gillaspy, Joan M. Dreiling, S A. Blundell, Dipti Goyal, A. Borovik, Jr., G Gwinner, A.C.C. Villari, Yuri Ralchenko, Endre Takacs

The difference in the mean-square nuclear charge radius of xenon isotopes was measured utilizing a method based on extreme ultraviolet spectroscopy of highly...

Polymorphism and thermophysical properties of L- and DL-menthol

November 5, 2018

Author(s)

Vojtech Stejfa, Ala Bazyleva, Michal Fulem, Jan Rohlicek, Eliska Skorepova, Kvetoslav Ruzicka, Andrey V. Blokhin

The thermodynamic properties, phase behavior, and kinetics of polymorph transformations of racemic (DL-) and enantiopure (L-) menthol were studied using a...

Gradual Enhancement of Stripe-Type Antiferromagnetism in the Spin-Ladder Material BaFe₂S₃ under Pressure

November 5, 2018

Author(s)

Liangliang Zheng, Benjamin A. Frandsen, Changwei Wu, Ming Yi, Shan Wu, Qingzhen Huang, Edith Bourret-Courchesne, G. Simutis, R. Khasanov, Dao-Xin Yao, Meng Wang, Robert J. Birgeneau

Jitter Sensitivity Analysis of the Superconducting Josephson Arbitrary Waveform Synthesizer

November 4, 2018

Author(s)

Christine A. Donnelly, Justus Brevik, Paul Dresselhaus, Pete Hopkins, Samuel P. Benz

We present the first jitter sensitivity analysis of a superconducting voltage reference waveform synthesizer with fundamentally accurate output pulses...

Effects of internal porosity and crystallographic texture on Charpy impact energy of Electron Beam Melting (EBM) titanium alloy (Ti-6Al-4V)*

November 3, 2018

Author(s)

Nikolas W. Hrabe, Ryan M. White, Enrico Lucon

The effects of internal porosity and crystallographic texture on miniaturized Charpy absorbed energy behavior of electron beam melting (EBM) titanium alloy (Ti...

Methodology for evaluating the information distribution in small angle scattering from periodic nanostructures

November 3, 2018

Author(s)

Daniel F. Sunday, Regis J. Kline

Optimizing the extraction of information from X-ray measurements while minimizing exposure time is an important area of research in a variety of fields. The...

Nanospace within Metal-Organic Frameworks for Gas Storage and Separation

November 3, 2018

Author(s)

B. Li, H.-M. Wen, Y. Yu, Yuanjing Cui, Wei Zhou, B. Chen, Guodong Qian

Improvements and limitations of Mie lambda-6 potential for prediction of saturated and compressed liquid viscosity

November 2, 2018

Author(s)

Richard A. Messerly, Michelle C. Anderson, S. M. Razavi, J. R. Elliott

Over the past decade, the Mie lambda-6 (generalized Lennard-Jones) potential has grown in popularity due to its improved accuracy for predicting vapor-liquid...

Bottom-Up Copper Filling of Large Scale Through Silicon Vias for MEMS Technology

November 2, 2018

Author(s)

Daniel Josell, Thomas P. Moffat, L A. Menk, E Baca, M Blain, A Smith, Jason Dominguez, J McClain, P D. Yeh, A E. Hollowell

An electrodeposition process for void-free bottom-up filling of sub-millimeter scale through silicon vias (TSVs) with Cu is detailed. The 600 m deep and...

Size Effects in Plasma-Enhanced Nano-Transfer Adhesion

November 2, 2018

Author(s)

Michael Deagan, Edwin Chan, Linda Schadler, Chaitanya Ullal

Access Control for Emerging Distributed Systems

November 1, 2018

Author(s)

Chung Tong Hu, David R. Kuhn, David F. Ferraiolo

As big data, cloud computing, grid computing, and the Internet of Things reshape current data systems and practices, IT experts are keen to harness the power of...

Chemical Selection of Emission State Configuration in a Quantum Light Emitter

November 1, 2018

Author(s)

Ming Zheng, Geyou Ao, Stephen K. Doorn

Covalently-introduced photoluminescent sp3 defects generate new emitting states and dramatically expand optical functionality of single-wall carbon nanotubes...

An Energy Analyzing Detector for Cold Neutrons

November 1, 2018

Author(s)

Nicholas C. Maliszewskyj, A. Osovizky, Kevin Pritchard, Y. Yehuda-Zada, Louis E. Binkley, Jeffrey B. Ziegler, Peter Tsai, Nancy J. Hadad, George M. Baltic, M. Jackson, C. Hurlbut, Charles F. Majkrzak

Methane leak detection and sizing over long distances using dual frequency comb laser spectroscopy and a bootstrap inversion technique

November 1, 2018

Author(s)

Kuldeep R. Prasad, Caroline Alden

Advances in natural gas extraction technology have led to increased activity in the production and transport sectors in the United States, and as a consequence...

A Combined Experimental-Numerical Method to Evaluate Powder Thermal Properties in Laser Powder Bed Fusion

November 1, 2018

Author(s)

Bo Cheng, Brandon Lane, Justin G. Whiting, Kevin Chou

Ultrafast, deep-dopant diffusion in crystalline silicon by laser-induced full area surface melting

November 1, 2018

Author(s)

Zibo Zhou, Ivan Perez-Wurfl, Brian Simonds

As solar cell back contact schemes have improved in recent years, the non-ideal emitter region has become a dominant contributor to overall losses in solar cell...

Exploring the structural origins of charge transport in conjugated polymers through the Huang-Brown tie-chain model

November 1, 2018

Author(s)

Kaichen Gu, Chad R. Snyder, Jonathan Onorato, Christine K. Luscombe, August W. Bosse, Y L. Loo

Evolution and Challenges of DNS-Based CDNs

November 1, 2018

Author(s)

Zheng Wang, Scott W. Rose

DNS-based server redirecting has been realized as the most popular way to deploy CDNs. However, with the increasing use of remote DNS, DNS-based CDNs faces a...

A more efficient method for calibrating discrete element method parameters for simulations of metallic powder used in additive manufacturing

October 31, 2018

Author(s)

Stephen R. Geer, Michelle Bernhardt, Edward Garboczi, Justin Whiting, Alkan Donmez

Laser powder bed fusion (LPBF) is an additive manufacturing (AM) process that uses a high-power laser to selectively melt metal powder that has been spread...

A Comparison Between The Solution Properties of Knotted Ring and Star Polymers

October 31, 2018

Author(s)

Luis F. Vargas Lara, Beatriz Pazmino, Jack F. Douglas

We computationally investigate the solution properties of knotted flexible ring and star polymers by combining molecular dynamics simulation (MD) and path...

Certifying Quantum Randomness by Probability Estimation

October 31, 2018

Author(s)

Emanuel H. Knill, Yanbao Zhang, Peter L. Bierhorst

We introduce probability estimation, a broadly applicable frameworkto certify randomness in a finite sequence of measurements subject to verifiable physical...

Contactless THz-based bulk semiconductor mobility measurements using two-photon excitation

October 31, 2018

Author(s)

Jared Wahlstrand, Edwin J. Heilweil

We perform contactless mobility measurements in ZnSe, ZnTe, GaP, CdS, and GaSe in an optical pump, THz probe experiment. By using two-photon excitation, one...