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On the Field Evaporation Behavior of c-axis GaN Nanowires in Laser-Pulsed Atom Probe Tomography

June 26, 2013

Author(s)

Matthew D. Brubaker, Kristine A. Bertness, Norman A. Sanford, Brian Gorman, David R. Diercks, R Kirchofer

GaN has seen use in many applications such as photovoltaics, blue and ultraviolet lasers, and light-emitting diodes with additional research into expanded and new applications. GaN in the form of nanowires present additional possibilities due to their high

Identification and Quantification of Human DNA Repair Protein NEIL1 by Liquid Chromatography/Isotope-Dilution Tandem Mass Spectrometry

December 26, 2012

Author(s)

M Miral Dizdar, Pawel Jaruga, Guldal Kirkali, Bryant C. Nelson, Gamze Tuna, Prasad T. Reddy

Accumulated evidence points to DNA repair capacity as an important factor in cancer and other diseases. DNA repair proteins are promising drug targets and are emerging as prognostic and therapeutic biomarkers. Thus, the knowledge of the overexpression or

UV-Assisted Alcohol Sensing Using SnO_(2) Functionalized GaN Nanowire Devices

September 1, 2012

Author(s)

Ritu Bajpai, Abhishek Motayed, Albert Davydov, Vladimir Oleshko, Geetha G. Aluri, Kristine A. Bertness, Mulpuri V. Rao, Mona E. Zaghloul

A chemiresistor type sensor for selective alcohol sensing has been realized from gallium nitride nanowires (NWs) functionalized with sputter-deposited tin dioxide nanoparticles. Two-terminal devices were fabricated using standard microfabrication

Microstructure evolution and development of annealed Ni/Au contacts to GaN nanowires

August 21, 2012

Author(s)

Andrew M. Herrero, Paul T. Blanchard, Aric W. Sanders, Matthew D. Brubaker, Norman A. Sanford, Alexana Roshko, Kristine A. Bertness

… void formation that occurs at the metal/NW and metal/oxide interfaces. The void formation can cause cracking and …

More Durable or Vulnerable? --- Effect of Nanoparticles on Long-Term Performance of Polymeric Nanocomposites during UV Exposure

July 2, 2012

Author(s)

Xiaohong Gu, Minhua Zhao, Stephanie S. Watson, Tinh Nguyen, Joannie W. Chin, Jonathan W. Martin, Dongmei Zhe, Guodong Chen

… initiated the use of inorganic UV absorbers such as zinc oxide (ZnO) for UV protection. Nevertheless, the mechanisms …

Characterization and Purification of Commercial SPS and MPS by Ion Chromatography and Mass Spectrometry

January 21, 2011

Author(s)

Ryan G. Brennan, Melissa M. Phillips, Liang Yueh Ou Yang, Thomas P. Moffat

SPS (bis-(3-sulfopropyl) disulfide) is an essential electrolyte additive used in the fabrication of copper interconnects by electrodeposition. The process is used over length scales ranging from on-chip Damascene wiring to through-silicon-vias for chip

Opportunities for Development of Reference Materials for Beryllium

October 16, 2008

Author(s)

Robert Watters, Aleksander B. Stefaniak, Mark D. Hoover

… materials for beryllium-containing ores, beryllium oxide, beryllium metals, beryllium-containing alloys, and …

Calculations of Stopping Powers of 100 eV to 30 keV Electrons in 31 Elemental Solids

March 19, 2008

Author(s)

S Tanuma, Cedric J. Powell, David R. Penn

We present calculated electron stopping powers (SPs) for 31 elemental solids (Li, Be, glassy C, graphite, diamond, Na, Mg, K, Sc, Ti, V, Fe, Y, Zr, Nb, Mo, Ru, Rh, In, Sn, Cs, Gd, Tb, Dy, Hf, Ta, W, Re, Os, Ir, and Bi). These SPs were determined with an

Subsolidus Phase Equilibria and Properties in the Magnetic Dielectric System Bi 2 O 3 :Mn 2 O 3+x :Nb 2 O 5

July 20, 2006

Author(s)

Terrell A. Vanderah, M W. Lufaso, A U. Adler, Igor Levin, Juan C. Nino, Virgil Provenzano, Peter K. Schenck, Robert S. Roth

Subsolidus phase relations have been determined for the Bi-Mn-Nb-O system in air (750-900 C). Phases containing Mn2+, Mn3+, and Mn4+ were all observed. Ternary compound formation was limited to pyrochlore, which formed a substantial solid solution region

Effect of Nitrogen on the Mechanical Properties of Microstructures of Hot Isostatically Pressed Nanograined Fe

June 1, 2006

Author(s)

A Munitz, Z Livne, J C. Rawers, J S. Adams, Richard J. Fields

… properties as well as density, and increases the oxide precipitation. There are two microstructural effects of …

Electric Current Induced Thermomechanical Fatigue Testing of Interconnects

March 1, 2005

Author(s)

Robert Keller, Roy H. Geiss, Yi-Wen Cheng, David T. Read

We demonstrate the use of electrical methods for evaluating the thermomechanical fatigue properties of patterned aluminum and copper interconnects on silicon-based substrates. Through a careful selection of alternating current frequency and current density

Predicting the Performance of Gaseous Air Cleaners Measurements and Model Simulations From a Residential-Scale Pilot Study

May 1, 2004

Author(s)

Cynthia H. Reed, Steven J. Nabinger, Steven Emmerich

As part of an ongoing effort to evaluate the predictive capability of indoor air quality (IAQ) simulation tools, the National Institute of Standards and Technology (NIST) is evaluating the ability of the multi-zone IAQ model CONTAM to predict the

Optical properties of Jet-Vapor-Deposited TiAlO and HfAlO Determined by Vacuum Utraviolet Spectroscopic Elliposmetry

September 30, 2003

Author(s)

Nhan Van Nguyen, Jin-Ping Han, Yong Jai Cho, Wenjuan Zhu, Zhijiong Luo, T P. Ma

In this report, we use vacuum ultraviolet spectroscopic ellipsometry (VUV-SE) to determine the optical as well as structural properties of high-k metal oxides, in particular, of Hafnium Aluminates and Titanium Aluminates. Two sets of samples consisting of

Optimizing Thermal-Optical Methods for Measuring Atmospheric Elemental (Black) Carbon: A Response Surface Study

September 1, 2003

Author(s)

Joseph M. Conny, D Klinedinst, Scott A. Wight, J L. Paulsen

The chemical, physical, and morphological complexity of atmospheric aerosol black carbon (BC) presents major problems in measurement accuracy. Methods based on thermal-optical analysis (TOA) are widely used for ambient air samples because no prior

Benchmark Database for Input and Validation of Multiphase Combustion Models.

October 11, 1999

Author(s)

J F. Widmann, S R. Charagundla, Cary Presser

Control of process efficiency and the formation of species byproducts from industrial thermal oxidation systems (e.g., power generation and treatment of liquid chemical wastes), is generally based on a priori knowledge of the input stream physical and

Influence of Nanometer-Scale Multilayered Thin Films on Fatigue Crack Initiation

January 1, 1999

Author(s)

Mark R. Stoudt, Richard E. Ricker, R C. Cammarata

Fatigue crack initiation in initially smooth, defect free samples of ductile metals almost always occurs at the free surface as a result of surface roughening and the development of a critical surface morphology 1-3. For FCC metals with high stacking fault

Laser-Induced Incandescence Measurements of Soot Production in Steady and Flickering Methane, Propane, and Ethylene Diffusion Flames

January 1, 1996

Author(s)

C. R. Shaddix, K C. Smyth

Quantitative experimental measurements of soot concentrations and soot scattering are presented for a series of steady and flickering coflowing methane, propane, and ethylene flames burning at atmospheric pressure. Flickering diffusion flames exhibit a

Certification of Standard Reference Material(R) 2859 and Standard Reference Material(R) 2861 Restricted Elements in Polyvinyl Chloride

April 1, 2020

Author(s)

John R. Sieber, John L. Molloy, Nathanael A. Heckert

The National Institute of Standards and Technology has issued its first Standard Reference Materials for elemental analysis of polyvinyl chloride. The custom designed PVC blends contain elements regulated in consumer products by the United States, the

Material Challenges in Developing a Sustainable Metal Processing Infrastructure - Workshop Report

September 23, 2025

Author(s)

Andrew Iams, James Zuback, Mark Stoudt, Carelyn Campbell

… relationships to enhance material performance. Molten oxide electrolysis for steelmaking, recovery of valuable …

Atomistic Origins of Conductance Switching in an e-Cu0.9V2O5 Neuromorphic Single Crystal Oscillator

December 4, 2024

Author(s)

Cherno Jaye, Conan Weiland, Daniel Fischer, John Ponis, Nicholas Jerla, George Agbeworvi, Saul Perez-Beltran, Nitin Kumar, Kenna Ashen, Jialu Li, Edrick Wang, Michelle A. Smeaton, Fatme Jardali, Sarbajeet Chakraborty, Patrick J. Shamberger, Katherine L. Jungjohann, Lu Ma, Jinghua Guo, G Sambandamurthy, Xiaofeng Qian, Sarbajit Banerjee

… The resulting charge and spin ordering along the vanadium oxide framework stabi-lizes an insulating state. Using X-ray …

Morphology of Thin-Film Nafion on Carbon as an Analogue of Fuel Cell Catalyst Layers

January 11, 2024

Author(s)

Corey Randall, Lianfeng Zou, Howard Wang, Jingshu Hui, Joaquin Rodriguez-Lopez, Melodie Chen-Glasser, Joseph A. Dura, Steven DeCaluwe

… are less pronounced than those observed at silicon oxide interfaces. Local oscillations in water volume fraction …

Polyzwitterion fast and slow mode behavior are coupled to phase separation as observed by dynamic laser light scattering

September 11, 2023

Author(s)

Phillip Pickett, Yuanchi Ma, Vivek Prabhu

… (UCST) behavior with no added salt in deuterium oxide solutions. Measurements of the collective diffusion …

Spin Solar Cell Phenomenon on SMM Impacted CoFeB based Magnetic Tunnel Junctions

May 31, 2023

Author(s)

Marzieh Savadkoohi, Pius Suh, Daniel Gopman, Pawan Tyagi

Spin based photovoltaic (P.V.) effect is a novel concept in the solar energy harvesting area utilizing earth-abundant metals. Unlike previous approaches where Copper and Zinc like metals are oxidized or chemically transformed to yield a photovoltaic effect

Soluble Amyloid [Beta] Oligomers Affect Dielectric Properties by Membrane Incorporation and Domain Formation: Implications for Cell Toxicity

October 12, 2021

Author(s)

G Valinius, K F. Heinrich, R Budvytye, David J. Vanderah, Y Sokolov, J Hall, M Losche

… substrates by nanometer-thick water/oligo(ethylene oxide) cushions. Upon rinsing of the membrane, Ab oligomers …

Identifying metabolic alterations associated with coral growth anomalies using 1H NMR metabolomics

June 12, 2021

Author(s)

Tracey Johnston, Erik Andersson, Russell D. Day, Thierry M. Work, Paul Anderson, Cheryl M. Woodley

Coral growth anomalies (GAs) are tumor-like protrusions that impact both the coral skeleton and softs tissues and are detrimental to coral health. These lesions are increasingly found throughout the tropics and are commonly associated with high human

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