Journals

Spin-torque excitation of perpendicular standing spin waves in coupled YIG/Co heterostructures

March 23, 2018

Author(s)

Stefan Klinger, Vivek P. Amin, Stephan Gepraegs, Kathrin Ganzhorn, Hannes Maier-Flaig, Matthias Althammer, Hans Huebl, Rudolf Gross, Robert McMichael, Mark D. Stiles, Sebastian Goennenwein, Mathias Weiler

We investigate yttrium iron garnet (YIG)/cobalt (Co) heterostructures using broadband ferromagnetic resonance (FMR). We observe an efficient excitation of...

Surviving Unpatchable Vulnerabilities through Multi-Option Network Hardening

March 23, 2018

Author(s)

Daniel Borbor, Lingyu Wang, Sushil Jajodia, Anoop Singhal

The administrators of a mission critical network usually have to worry about non-traditional threats, e.g., how to live with known, but unpatchable...

Quantum Dynamics of H₂ Trapped Within Organic Clathrate Cages

March 23, 2018

Author(s)

Timothy A. Strobel, Anibal J. Ramirez-Cuesta, Luke L. Daemen, Venkata S. Bhadram, Timothy A. Jenkins, Craig Brown, Yongqiang Chen

Reducing the impact of transport model error in urban greenhouse gas inversion models using the Aliso Canyon natural gas leak as a natural tracer experiment

March 22, 2018

Author(s)

Sharon M. Gourdji, Vineet Yadav, Anna Karion, Kimberly L. Mueller, T. Conley, Stephen Conley, Tom Ryerson, Thomas Nehrkorn, Eric Kort

Urban greenhouse gas (GHG) flux estimation with atmospheric measurements and modeling, i.e., the top-down approach, can potentially support emission reduction...

Fiber Network Formation in Semi-Flexible Polymer Solutions: An Exploratory Computational Study

March 22, 2018

Author(s)

Jack F. Douglas, Luis F. Vargas Lara

The formation of gels through the bundling of semi-flexible polymer chains into fiber networks is ubiquitous in diverse manufactured and natural materials, and...

Determination of spin Hall effect and spin diffusion length of Pt from self-consistent fitting of damping enhancement and inverse spin-orbit torque measurements

March 22, 2018

Author(s)

Andy Berger, Eric R. Edwards, Hans T. Nembach, Olof Karis, Mathias Weiler, Thomas J. Silva

Understanding the evolution of spin-orbit torque (SOT) with increasing heavy-metal thickness in ferromagnet/normal metal (FM/NM) bilayers is critical for the...

Nanocomposite Electrolytes for Lithium Batteries with Reduced Flammability

March 21, 2018

Author(s)

Mauro Zammarano, Apostolos Enotiadis, Nikhil Fernandes, Natalie A. A. Becerra, Emmanuel P. Giannelis

We report a family of flame-retardant electrolytes for lithium batteries based on ionic nanocomposites. The nanocomposites are synthesized in one pot by...

AFM Scan Speed Phenomena

March 21, 2018

Author(s)

Jason P. Killgore, Christopher C. Glover, Ryan Tung

This work presents data confirming the existence of a scan speed related phenomenon in contact mode atomic force microscopy. Specifically, contact resonance...

Topological quantization of energy transport in micromechanical and nanomechanical lattices

March 21, 2018

Author(s)

Chih-Chun Chien, Kirill Velizhanin, Yonatan Dubi, Robert Ilic, Michael P. Zwolak

Topological effects are emerging as one of the central paradigms of physics, from condensed matter to cold atoms to quantum computation. These effects are...

Probing the Optical Properties and Strain-Tuning of Ultrathin Mo1−xWxTe2

March 21, 2018

Author(s)

Ozgur B. Aslan, Isha M. Datye, Michal J. Mleczko, Karen Lau, Sergiy Krylyuk, Alina Bruma, Irina Kalish, Albert Davydov, Eric Pop, Tony F. Heinz

Ultrathin transition metal dichalcogenides (TMDCs) have recently been extensively investigated to understand their electronic and optical properties. Here we...

Examining epitaxial graphene surface conductivity and quantum Hall device stability with Parylene passivation

March 20, 2018

Author(s)

Albert F. Rigosi, Chieh-I Liu, Bi Y. Wu, Hsin Y. Lee, Mattias Kruskopf, Yanfei Yang, Heather M. Hill, Jiuning Hu, Emily G. Bittle, Jan Obrzut, Angela R. Hight Walker, Randolph E. Elmquist, David B. Newell

When it comes to the advancement of quantized Hall resistance (QHR) standards, homogeneous, single-crystal, monolayer epitaxial graphene (EG) is the most...

NIST Lipidomics Workflow Questionnaire: An Assessment of Community-Wide Methodologies and Perspectives

March 20, 2018

Author(s)

John Bowden, Candice Z. Ulmer, Christina M. Jones, Jeremy P. Koelmel, Richard A. Yost

Introduction Efforts to harmonize lipidomic methodologies have been limited within the community. Here, we aimed to capitalize on the recent NIST lipidomics...

Reducing setting time of blended cement paste containing high-SO3 fly ash (HSFA) using chemical/physical accelerators and by fly ash pre-washing

March 20, 2018

Author(s)

Franco Zunino, Dale P. Bentz, Javier Castro

Reducing the carbon footprint of the cement industry has become one of the main concerns of researchers in the field. This study explores different strategies...

In Situ Observation of Carbon Nanotube Layer Growth on Microbolometers with Substrates at Ambient Temperature

March 20, 2018

Author(s)

Vojtech Svatos, Imrich Gablech, Robert Ilic, Jan Pekarek, Pavel Neuzil

Carbon nanotubes (CNTs) have near unity infrared (IR) absorption efficiency, making them extremely attractive in IR imaging devices. Since CNT growth occurs at...

Wafer-Level Electrically Detected Magnetic Resonance:Magnetic Resonance in a Probing Station

March 20, 2018

Author(s)

Duane J. McCrory, Mark Anders, Jason Ryan, Pragya Shrestha, Kin P. Cheung, Patrick M. Lenahan, Jason Campbell

We report on a novel semiconductor reliability technique that incorporates an electrically detected magnetic resonance (EDMR) spectrometer within a conventional...

Topological lattice using multi-frequency radiation

March 19, 2018

Author(s)

Ian B. Spielman, Gediminas Juzeli?nas, Tomas Andrijauskas

We describe a novel technique for creating an artificial magnetic field for ultra-cold atoms using a periodically pulsed pair of counter propagating Raman...

Magnetic damping in sputtered Co2MnGe Heusler compounds with A2, B2 and L21 order: Experiment and Theory

March 19, 2018

Author(s)

Justin M. Shaw, Eric R. Edwards, Martin A. Schoen, Michael L. Schneider, Matthew R. Pufall, Thomas J. Silva, Hans T. Nembach, Erna Delczeg

We show that very low values of the magnetic damping parameter can be achieved in sputter deposited poly-crystalline films of Co2MnGe annealed at relatively low...

3D printed ABS-MOF composite materials and their gas storage properties

March 19, 2018

Author(s)

Michael Bible, Makfir Sefa, Julia Scherschligt, Zeeshan Ahmed, James A. Fedchak, Hartings Mathew

Metal organic framework materials (MOFs) have been primarily recognized for their ability to promote selective storage of gas molecules. In their as-synthesized...

Local Randomness: Examples and Application

March 19, 2018

Author(s)

Honghao Fu, Carl Miller

When two players achieve a superclassical score at a nonlocal game, their outputs must contain intrinsic randomness. This fact has many useful implications for...

Spin currents and spin-orbit torques in ferromagnetic trilayers

March 19, 2018

Author(s)

Seung-heon C. Baek, Vivek P. Amin, Young-Wan Oh, Gyungchoon Go, Seung-Jae Lee, Geun-Hee Lee, Kab-Jin Kim, Mark D. Stiles, Byong-Guk Park, Kyung Jin Lee

Spin current generation by the spin-orbit interaction is one of the central themes in condensed matter physics. The spin Hall effect, for instance, is a bulk...

Enhancing optical microscopy illumination to enable quantitative imaging

March 18, 2018

Author(s)

Emil Agocs, Ravikiran Attota

There has been an increasing push to derive quantitative measurements using optical microscopes. While several aspects of microscopy have been identified to...

Qualification of NISTmAb charge heterogeneity control assays

March 18, 2018

Author(s)

Abigail Turner, John E. Schiel

The NISTmAb is a monoclonal antibody Reference Material from the National Institute of Standards and Technology; it is a class-representative IgG1κ intended...

Glassy Phases in Organic Semiconductors

March 17, 2018

Author(s)

Chad R. Snyder, Dean M. DeLongchamp

Organic semiconductors may be processed from fluids using graphical arts printing and patterning techniques to create complex circuitry. Because organic...

Interfacial strength and surface damage characteristics of atomically-thin h-BN, MoS2, and graphene

March 16, 2018

Author(s)

Bien Cuong Tran Khac, Frank W. DelRio, Koo-hyun Chung

Surface damage characteristics of single- and multi-layer hexagonal boron nitride (h-BN), molybdenum disulfide (MoS2) and graphene films were systematically...

Pure Electrical Switching of a Single Ferromagnetic Layer with Perpendicular Magnetization

March 16, 2018

Author(s)

Qinli Ma, Yufan Li, Daniel Gopman, Robert D. Shull, C. L. Chien

An ultimate goal of spintronics is to control magnetism via electrical means [1,2]. One promosing way is to utilize current-induced spin-orbital torque (SOT)...

Zero-field current switching of magnetic domains via chiral domain walls

March 16, 2018

Author(s)

Yufan Li, Qinli Ma, Daniel Gopman, Yury Kabanov, Robert D. Shull, C Chien

In ferromagnetic (FM) materials, the inherent exchange interaction, magnetic anisotropy, & dipolar forces dictate the domain walls (DWs), Bloch or N´eel, that...

Inductive detection of fieldlike and dampinglike ac inverse spin-orbit torques in ferromagnet/normal-metal bilayers

March 15, 2018

Author(s)

Andy Berger, Eric R. Edwards, Hans T. Nembach, Justin M. Shaw, Alexy D. Karenowska, Mathias Weiler, Thomas J. Silva

Phenomena that result from strong spin-orbit coupling (SOC) at ferromagnet/normal metal (FM/NM) interfaces hold great promise for the development of efficient...

Precision spectroscopy of H13CN using a free-running all-fiber dual electro-optic frequency comb system

March 15, 2018

Author(s)

Adam J. Fleisher, Philippe Guay, Genest Jerome

We demonstrate the precision molecular spectroscopy of H13CN using a free-running, all-fiber dual electro-optic frequency comb system. Successive interferograms...

Direct DC 10 V comparison between two Programmable Josephson Voltage Standards made of Niobium Nitride (NbN)-based and amorphous niobium silicon (NbxSi1-x)-based Josephson Junctions

March 15, 2018

Author(s)

Alain Rufenacht, Stephane Solve, M Maruyama, Chiharu Urano, Nobu Kaneko

For the first time, the BIPMs new transportable programmable Josephson voltage standard (PJVS) has been used for an on-site comparison at the National...

Rapid Synthesis and Correlative Measurements of Electrocatalytic Nickel/Iron Oxide Nanoparticles

March 15, 2018

Author(s)

Kavita M. Jeerage, Stephanie L. Candelaria, Samuel M. Stavis

Electrocatalytic nanoparticles, such as nickel/iron oxides for oxygen evolution (OER) in alkaline electrolytes, require rapid synthesis and measurement for...