U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Publications

NIST Authors in Bold

Displaying 76 - 100 of 2289

The sixth spectrum of platinum (Pt VI)

November 25, 2016
Author(s)
Vladimir I. Azarov, R R. Gayasov
… 5d46p transition array of five times ionized platinum, Pt VI, has been investigated and 1390 spectral lines have been … The sixth spectrum of platinum (Pt VI) …

After oxidation, zinc nanoparticles lose their ability to enhance responses to odorants

September 20, 2016
Author(s)
Samantha Hagerty, Yasmine C. Daniels, Melissa Singletary, Oleg Pustovyy, Ludmila Globa, William A. MacCrehan, Shinichiro Muramoto, June W. Lau, Edward Morrison, Iryna Sorokulova, Vitaly Vodyanoy, Gheorghe Stan
… of zinc nanoparticles of various sizes and degrees of oxidation. The zinc nanoparticles were prepared by the … responses of olfactory neurons to odorants. After oxidation, however, these small zinc nanoparticles were no … atomic force microscopy, X-ray photoelectron spectroscopy, oxidation, zinc oxide …

Ultra-Thin gate Oxide Breakdown: A Failure that we can live with?

February 1, 2004
Author(s)
John S. Suehle
… TDDB becomes 'softer'. In current technologies where the oxide thickness is less than 2 nm, the breakdown event has … can extend chip reliability by allowing multiple gate oxide breakdown events to occur before considering the life … breakdown, gate oxide, reliability, silicon dioxide …

The Suppression of Orange-Peel Coupling in Magnetic Tunnel Junctions by Pre-Oxidation

October 12, 2021
Author(s)
William F. Egelhoff Jr., Robert McMichael, Cindi L. Dennis, Mark D. Stiles, Alexander J. Shapiro, Brian B. Maranville, Cedric J. Powell
… We have have found that pre-oxidation of the bottom Co electrode in magnetic tunnel … is much softer. Work by others has demonstrated that pre-oxidation is compatible with high-quality MTJ fabrication.A few years ago, it was reported that pre-oxidation of the bottom Co electrode in magnetic tunnel …

Nanoscale Kirkendall effect and oxidation kinetics in copper nanocrystals characterized by real-time, in-situ optical spectroscopy

September 5, 2014
Author(s)
Katherine P. Rice, Andrew Paterson, Mark Stoykovich
… The low-temperature oxidation of ~10 nm diameter copper nanocrystals was … via the nanoscale Kirkendall effect. The kinetics of the oxidation of solid Cu nanocrystals to hollow Cu2O … was fit to the measured time for complete Cu nanocrystal oxidation, and was used to quantify the diffusion coefficient …

In-situ Soft X-ray Studies of Toluene Catalytic Oxidation on the Pt(111) Surface

January 5, 2004
Author(s)
A L. Marsh, D J. Burnette, Daniel A. Fischer, J L. Gland
… The catalytic oxidation of toluene on the Pt(111) surface has been … In contrast to the intermediates formed during benzene oxidation, no rearrangement of the aromatic ring occurs, … the structure of intermediates formed during toluene oxidation. Thish7-phenymethylene intermediate dominates over …

A general approach to multicomponent metal-decorated crumpled reduced graphene oxide nanocomposites using a flame-based process

September 25, 2019
Author(s)
Mohammad M. Mohammadi, Shikuan Shao, Santosh S. Gunturi, Anirudh R. Raghavan, Naveshkaanth Alexander, Christopher Stafford, Raymond D. Buchner, Mark Swihart
… multicomponent metal-decorated crumpled reduced graphene oxide nanocomposites using a flame-based process Mohammad … multicomponent metal-decorated crumpled reduced graphene oxide nanocomposites is introduced using a one-step, … continuous flame-based process. Crumpled reduced graphene oxide Balls (CGB) are produced in a High Temperature Reducing …

In-situ observation of nano-oxide formation in magnetic thin films

July 4, 2004
Author(s)
Andrew McCallum, Stephen E. Russek
… an increase in specular reflection of electrons at the oxide interfaces. The amount of conductance increase varied … to oxygen, indicating the formation of an amorphous oxide during the initial conductance drop and conductance … Co, giantmagnetoresistance, nano-oxide, specularity …

Ultrathin platinum films for methanol and formic acid oxidation: activity as a function of film thickness and coverage

February 18, 2015
Author(s)
Thomas P. Moffat
… reactions, such as methanol and formic acid oxidation, to be examined. Bimetallic and bifunctional … grown using one deposition pulse the peak rate of CH3OH oxidation was enhanced by a factor of 4 relative to bulk Pt. … behavior was obtained beyond three monolayers. For HCOOH oxidation improvements in activity in excess of a 100-fold …

Voltage Modulation Scanned Probe Oxidation (Abstract)

January 1, 1998
Author(s)
John A. Dagata, T Inoue, J Itoh, K Matsumoto, H Yokoyama
… and titanium substrates by scanned probe microscope (SPM) oxidation. Direct oxidation of a substrate by the intense electric field … anodic oxidation, nanofabrication, scanned probe microscopy, silicon … Voltage Modulation Scanned Probe Oxidation (Abstract) …

Differential Surface Stress of a Tin Oxide Electrode

April 1, 2000
Author(s)
Gintaras Valincius, Vytautas Reipa
… provide experimental evidence for deviation of n-tin oxide electrode's properties from the electrocapillary … potentials, where the electrical properties of n-tin oxide electrode are consistent with the Mott-Schottky model, … electrochemistry, surface stress, tin oxide …

Correlation effects on transition probabilities in Mo vi

June 13, 2012
Author(s)
Charlotte F. Fischer
… The effect of correlation on transitions in Mo vi from 4p64d 2D and 4p65s 2S to 4p64f, 4p65p, 4p65f, 4p54d2 … Correlation effects on transition probabilities in Mo vi …

In-Situ Soft X-Ray Studies of CO Oxidation on the Pt(111) Surface

August 1, 2004
Author(s)
D J. Burnett, A T. Capitano, A M. Gabelnick, A L. Marsh, Daniel A. Fischer, J L. Gland
… have been used to characterize carbon monoxide oxidation on the Pt(111) surface for oxygen pressures from … Yield Near Edge Spectroscopy (TP-FYNES) studies of oxidation of preadsorbed CO in oxygen pressures (up to 2.7 … the surface reaction rates. For CO saturated surfaces, oxidation is clearly limited by CO desorption. For the …

Molecular Mechanisms of Propyne Oxidation on the Pt(111) Surface: In Situ Soft X-Ray Studies in Pressures of Oxygen

August 1, 2001
Author(s)
A M. Gabelnick, D J. Burnett, J L. Gland, Daniel A. Fischer
… Oxidation of preadsorbed propyne has been characterized on … spectroscopy (TP-FYNES) experiments indicate that similar oxidation pathways occur both for coadsorbed oxygen and … with a saturation coverage of 1.45 x 10 15 C atoms/cm 2 . Oxidation of small propyne coverages with coadsorbed oxygen …

Electron Injection, Recombination and Halide Oxidation Dynamics at Dye-Sensitized Metal Oxide Interfaces

May 1, 2000
Author(s)
T Heimer, Edwin J. Heilweil, C A. Bignozzi, G J. Meyer
… visible spectroscopy reveals similar rates of both halide oxidation and injected electron-oxidized dye recombination … injection yield from 2 in the case of transparent metal oxide films and improves the photon to current efficiency. … transfer, interfacial, sensitized, time-resolved, tin oxide, titanium dioxide …

Thermodynamic Properties of Gaseous Nitrous Oxide and Nitric Oxide From Speed-of-Sound Measurements

October 16, 2008
Author(s)
John J. Hurly
… The speed of sound was measured in gaseous nitrous oxide (N2O) and nitric oxide (NO) using an acoustic resonance technique with a … heat capacity, intermolecular potential, N2O, nitric oxide, nitrous oxide, NO, speed of sound, thermodynamic properties … Thermodynamic Properties of Gaseous Nitrous Oxide and Nitric Oxide From Speed-of-Sound Measurements …

The Role of Space Charge in Scanned Probe Oxidation

January 1, 1998
Author(s)
John A. Dagata
… character of nanostructures produced by scanned probe oxidation are investigated by integrating an in-situ … and other dynamic pulse-shaping techniques during the oxidation pulse. Voltage modulation leads to a significant … anodic oxidation, scanned probe microscopy, scanning Maxwell-stress …

Understanding Scanned Probe Oxidation of Silicon

January 1, 1998
Author(s)
John A. Dagata, T Inoue, J Itoh, H Yokoyama
… A model for scanned probe microscope (SPM) silicon oxidation is presented. The model was derived from a … can be altered dramatically by modulating the applied oxidation voltage. … capacitance, elemental semiconductors, nanotechnology, oxidation, scanning probe microscopy, semiconductor process …

SiC power MOSFET gate oxide breakdown reliability Current status

May 3, 2018
Author(s)
Kin P. Cheung
… SiC power MOSFET is poised to take off commercially. Gate oxide breakdown reliability is an important obstacle standing … intrinsic lifetime is no longer an issue, SiC MOSFET gate oxide breakdown reliability is not out of the wood yet. This is because, for thick oxide, it is the extrinsic failure that determine lifetime, …

Oscillatory Non-Collinear Magnetism Induced by Interfacial Charge Transfer in Metallic Oxide Superlattices

November 22, 2016
Author(s)
Jason D. Hoffman, Brian Kirby, Jihwan Kwon, Gilberto Fabbris, John W. Freeland, Ivar Martin, Olle G. Heinonen, Paul Steadman, Hua Zhou, Christian M. Schleputz, Suzanne G. E. te Velthuis, Jian-Min Zuo, Anand Bhattacharya
… structure in superlattices of the ferro-magnetic metallic oxide La 2/3 Sr 1/3 MnO 3 (LSMO) and the correlated metal … to engineering non-collinear spin textures in metallic oxide heterostructures that can be exploited in devices based … Induced by Interfacial Charge Transfer in Metallic Oxide Superlattices …

In Situ Characterization of Catalytic Propylene Oxidation on the Pt (111) Surface

January 17, 2000
Author(s)
A M. Gabelnick, A T. Capitano, D J. Burnett, Daniel A. Fischer, J L. Gland
… The catalytic oxidation of propylene with both propylene and oxygen in the … species on the surface during steady state propylene oxidation is propyne. This assignment is based on … surface concentrations. The initiation temperature for oxidation also depends on oxygen pressure, with higher oxygen …

Formation of aluminum oxide thin films on FeAl(110) studied by STM

February 6, 2003
Author(s)
Orhan Kizilkaya, Dustin Hite, David M. Zehner, Phillip T. Sprunger
… at elevated temperatures, an ordered ultra-thin aluminum oxide film is formed. Based on STM data, a structural model of the oxide film is proposed, which exhibits a quasi-hexagonal … the range of the bulk band gap implies that the thin film oxide electronic structure differs substantially from the …

Atomic-scale mechanism of unidirectional oxide growth

November 14, 2019
Author(s)
Xianhu Sun, Wenhui Zhu, Dongxiang WU, Zhenyu Liu, Xiaobo Chen, Lu Yuan, Guofeng Wang, Renu Sharma, Guangwen Zhou
… in the step-crossing barriers promotes the unidirectional oxide growth by hindering the transport of Cu atoms from the … Copper oxide, nanowires, atomic resolution imaging, in situ TEM … Atomic-scale mechanism of unidirectional oxide growth …
Displaying 76 - 100 of 2289
Was this page helpful?