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1. Ab-Initio Energetics of Transition Metal Ordering in Decagonal Al-Co-Cu
Published: 1/21/2000
Authors: M Widom, I Al-Lehyani, Yijun Wang, Eric J Cockayne
Abstract: We perform ab-initio total energy calculations for approximants to a model of decagonal A1CoCu. These calculations support previously proposed chemical ordering of Co and Cu atoms along tile edges. Preferred arrow orientations are identified and sho ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=850350

2. Abstracts for the MSEL Assessment Panel, March 2001
Published: 1/26/2001
Authors: Leslie E Smith, Alamgir Karim, Leonid A Bendersky, C Lu, J J Scott, Ichiro Takeuchi, Kathleen M. Flynn, Vinod K Tewary, Davor Balzar, G A Alers, Stephen E Russek, Charles C. Dr. Han, Haonan Wang, William E Wallace III, Daniel A Fischer, K Efimenko, Wen-Li Wu, Jan Genzer, Joseph C Woicik, Thomas H. Gnaeupel-Herold, Henry Joseph Prask, Charles F. Majkrzak, Norman F. Berk, John Barker, Charles Joseph Glinka, Eric K Lin, Ward L Johnson, Paul R Heyliger, David Thomas Read, R R Keller, J Blendell, Grady S White, Lin-Sien H Lum, Eric J Cockayne, Igor Levin, C E Johnson, Maureen E Williams, Gery R Stafford, William J Boettinger, Kil Won Moon, Daniel Josell, Daniel Wheeler, Thomas P Moffat, W H Huber, Lee J Richter, Clayton S. Yang, Robert D Shull, R A. Fry, Robert D McMichael, William F. Egelhoff Jr., Ursula R Kattner, James A Warren, Jonathan E Guyer, Steven P Mates, Stephen D Ridder, Frank S. Biancaniello, D Basak, Jon C Geist, Kalman D Migler
Abstract: Abstracts relating to research and development in the NIST Materials Science and Engineering Laboratory (MSEL) are presented for a poster session to be presented to the 2001 MSEL Assessment Panel.
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=850052

3. Carbon Storage Properties of OMS-2 Manganese Oxide
Published: 4/10/2012
Authors: Lan (Lan) Li, Eric J Cockayne, Laura Espinal, Winnie K Wong-Ng
Abstract: Manganese oxide OMS-2 material, also known as alpha-MnO2, exhibits CO2 sorption hysteresis at pressures > 7 bar. Our experiments show that the hysteretic behavior strongly depends on time, temperature and pressure. To understand the atomic structures ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910134

4. Combined EXAFS and First-Principles Theory Study of Pb^d1-x^Ge^dx^Te
Published: 12/1/1999
Authors: Bruce D Ravel, Eric J Cockayne, E Newville, K M Rabe
Abstract: The narrow band-gap semiconductor Pb^d1-x^Ge^dx^Te has a low-temperature ferroelectric rhombohedral phase whose average structure is a distorted rocksalt structure. We have measured the Extended X-Ray-Absorption Fine-Structure (EXAFS) spectra of Pb^ ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=850304

5. Comparative Dielectric Response in CaTiO^d3^ and CaAl^d1/2^Nb^d1/2^O^d3^ From First Principles
Published: 1/21/2001
Author: Eric J Cockayne
Abstract: TiO3 (CT) and CaA11/2Nb1/2O3 (CAN) have similar structures but very different dielectric properties. For CT at room temperature, the relative permittivity 6 ~ 170 and the temperature coefficient of resonance frequency t ~ +900 ppm/K, but for CA ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=850466

6. Computational study of the dielectric properties of [La,Sc]^d2^O^d3^ solid solutions
Published: 7/11/2010
Authors: Hiroyoshi Momida, Eric J Cockayne, Naoto Umezawa, Takahisa Ohno
Abstract: First-principles calculations were used to compute the dielectric permittivities of hypothetical [La,Sc]2O3 solid solutions in the cubic (bixbyite) and hexagonal La2O3 phases. Dielectric enhancement is predicted at small Sc concentrations due to the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903889

7. Contributions of First-Principles Calculations to Understanding Structure-Property Relationships in Perovksites
Published: 9/1/2008
Author: Eric J Cockayne
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=854235

8. Density Functional Theory Meta-GGA+U Study of Water Incorporation in the Metal Organic Framework Material Cu-BTC
Published: 7/14/2015
Authors: Eric J Cockayne, Eric B. Nelson
Abstract: Water absorption in the metal-organic framework (MOF) material Cu-BTC, up to a concentration of 3.5 H2O per Cu ion, is studied via density functional theory at the meta-GGA+U level. The stable arrangements of water molecules show chains of hydrogen ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=917254

9. Dipole Moment of a Pb-O Vacancy Pair in PbTiO^d3^
Published: 4/1/2004
Authors: Eric J Cockayne, Benjamin P Burton
Abstract: The polarization of a nearest-neighbor (nn) Pb-O vacancy pair in PbTiO3 is calculated, using the modern theory of polarization, implemented in the density functional theory ultrasoft pseudopotential formalism. The dipole moment per divacancy is about ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=850779

10. Effect of Ionic Substitution on the Structure and Dielectric Properties of Hafnia: A First Principles Study
Published: 4/15/2008
Author: Eric J Cockayne
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=854413



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