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Displaying 6326 - 6350 of 74371

Role of alkali-metal cations in electronic structure and halide segregation of hybrid perovskites

July 1, 2020
Author(s)
Siyuan Zhang, Ming Chun Tang, Yuanyuan Fan, Ruipeng Li, Nhan V. Nguyen, Kui Zhao, Thomas D. Anthopoulos, Christina A. Hacker
Triple-cation hybrid perovskites with mixed-halide have become one of the most dominant composition due to superior photovoltaic performance and stability. In this study, we systematically investigate the incorporation of cesium (Cs+) and potassium (K+) at

Technology Development and Field Monitoring in nZEB

July 1, 2020
Author(s)
Vance (Wm.) Payne, Brian P. Dougherty
The International Energy Agency (IEA) Heat Pumping Technologies (HPT) Annex 49, "Design and Integration of Heat Pumps for Nearly Zero Energy Buildings," deals with the application of heat pumps as a core component of the HVAC system for nearly or net-zero

Anomalous accelerated negative-bias- instability (NBI) at low drain bias

June 30, 2020
Author(s)
Kin P. Cheung
We observed at very low drain bias an anomalous acceleration of Negative-bias-instability at room temperature, as if the channel temperature has been raised significantly. The channel width and channel length dependent of this acceleration suggest that in

Effects of laser-energy density and build orientation on the defect structure, microstructure and tensile properties of Inconel 718 parts manufactured with laser powder bed fusion

June 30, 2020
Author(s)
Dillon Watring, Jake Benzing, Nik Hrabe, Ashley Spear
This study investigates the processing-structure-property relationships of Inconel 718 manufactured by laser powder bed fusion. Three di erent build conditions were selected for the Inconel 718 specimens: 0 build orientation and 38 J/mm3, 0 build

Evaluation of Graded Levels of Soy Oil as a Fish Oil Replacement in High Soy Protein Feeds for Juvenile Red Drum, Sciaenops ocellatus

June 30, 2020
Author(s)
Tracey B. Schock, Aaron Watson, Michael P. Napolitano, John A. Bowden, Jason Frost, Justin Yost, Michael R. Denson
A 9-week feeding trial was conducted with juvenile red drum, Sciaenops ocellatus, to evaluate the use of soy oil as a fish oil replacement. Three primary protein sources (fishmeal - FM, soybean meal - SBM, and soy protein concentrate - SPC) were utilized

Evaluation of Thermal Optical Analysis (TOA) Using an Aqueous Binary Mixture

June 30, 2020
Author(s)
Courtney D. Grimes, Joseph Conny, Russell Dickerson
Thermal Optical Analysis (TOA), a commonly implemented technique used to measure the amount of particulate carbon in the atmosphere or deposited on a filter substrate, distinguishes organic carbon (OC) from elemental carbon (EC) through the monitoring of

Guide to IPsec VPNs

June 30, 2020
Author(s)
Elaine B. Barker, Quynh H. Dang, Sheila E. Frankel, Karen Scarfone, Paul Wouters
Internet Protocol Security (IPsec) is a widely used network layer security control for protecting communications. IPsec is a framework of open standards for ensuring private communications over Internet Protocol (IP) networks. IPsec configuration is

Memory update characteristics of carbon nanotube memristors (NRAM) under circuitry-relevant operation conditions

June 30, 2020
Author(s)
Dmitry Veksler, gennadi bersuker, A W. Bushmaker, Maribeth Mason, Pragya Shrestha, Kin P. Cheung, Jason Campbell, T Rueckes, L Clevlend, H Luan, D C. Gilmer
Carbon nanotubes (CNT) resistance-change memory devices were assessed for neuromorphic applications under high frequency use conditions by employing the ultra-short (100 ps -10 ns) voltage pulse technique. Under properly selected operation conditions, CNTs

Estimation of the critical external heat leading to the failure of lithium-ion batteries

June 29, 2020
Author(s)
Wei Tang, Andy Tam, Liming Yuan, Thomas Dubaniewicz, Richard Thomas, John Soles
A detailed experimental investigation on the critical external heat leading to the failure of lithium-ion (Li-ion) batteries was conducted using an Accelerating Rate Calorimeter (ARC) at the National Institute for Occupational Safety and Health (NIOSH)

Evolving Advanced Persistent Threat Detection Using Provenance Graph and Metric Learning

June 29, 2020
Author(s)
Gbadebo Ayoade, Khandakar A. Akbar, Pracheta Sahoo, Yang Gao, Anoop Singhal, Kangkook Jee, Latifur Khan, Anmol Agarwal
Advanced persistent threats (APT) have increased in recent times as a result of the rise in interest by nationstates and sophisticated corporations to obtain high profile information. Typically, APT attacks are more challenging to detect since they

Mid-infrared frequency combs at 10 GHz

June 29, 2020
Author(s)
Abijith S. Kowligy, David Carlson, Daniel D. Hickstein, Henry R. Timmers, Alexander Lind, Scott Papp, Scott Diddams
We demonstrate 10 GHz mid-infrared frequency combs spanning 3-5 μm and 7-11 μm that are generated with few-cycle electro-optic pulses and intrapulse difference-frequency generation.
Displaying 6326 - 6350 of 74371