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Displaying 101 - 125 of 241

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
… on A-sites and Mn3+ on B-sites (Bi1.6Mn2+0.4(Mn3+0.8Nb1.2)O7, Fdm (#227), a = 10.478(1) ). The displacive disorder is … analogous to that reported for Bi1.5Zn0.92Nb1.5O6.92. EELS spectra for this pyrochlore were consistent with an Mn oxidation between 2+ and 3+. Bi-Mn-Nb-O pyrochlores exhibited overall …

W-band dual channel PM/AM noise measurement system

August 23, 2004
Author(s)
Archita Hati, Craig Nelson, J Nava, David A. Howe, Fred L. Walls
… We discuss the performance of a W-band (92 to 96 GHz) PM and AM noise measurement system. The system …

Summary of Workshop on Global Overview of Large Outdoor Fire Standards

February 4, 2019
Author(s)
Samuel L. Manzello
Large outdoor fires have the potential to negatively impact the built environment. Wildland fires that spread into communities, known as wildland-urban interface (WUI) fires have become a global problem. Large urban fires, including those that have

Spin-resolved Superelastic Electron Scattering from Laser Excited Chromium Atoms

November 14, 1993
Author(s)
G Hanne, Jabez J. McClelland, R E. Scholten, Robert Celotta
… atoms (4 7 P o 4 rarr} 4 7 S 3 transition, energy gain 2.92 eV) has been measured for total collision energies of … six unpaired electrons with the configuration 3d 5 ( 6 S 5/2 )4l (l = 0, 1) for the states under investigation. The …

Final Report of WPEC Subgroup 7

January 1, 2006
Author(s)
S Tagesen, H Vonach, F J. Hambsch, Z Chen, H M. Hofmann, K Shibata, S Y. Oh, S A. Badikov, E V. Gai, V G. Pronyaev, D L. Smith, G M. Hale, T Kawano, Allan D. Carlson, N M. Larson
… Nuclear Data Standards NEA ISBN 92-64- …

Searching for Answers in a Pandemic: An Overview of TREC-COVID

September 1, 2021
Author(s)
Ellen Voorhees, Ian Soboroff, Kirk Roberts, Tasmeer Alam, Steven Bedrick, Dina Demner-Fushman, Kyle Lo, Lucy L. Wang, William Hersh
… rounds from April to July, 2020, with participation from 92 unique teams and 556 individual submissions. A total of 50 …

Postsynthetic Metalation of Robust Hydrogen-Bonded Organic Framework for Heterogeneous Catalysis

June 21, 2019
Author(s)
Bin Han, Hailong Wang, Chiming Wang, Hui Wu, Wei Zhou, Banglin Chen, Jianzhuang Jiang
… with a Brunauer-Emmett-Teller surface area of 685 m 2 g^-1^ was reticulated from a cage-like building block, amino-substituted bis(tetraoxacalix[2]arene[2]triazine), depending on the hydrogen bonding with … species can be recovered from the isolation yield 46% to 92% for 4-bromobenzonitrile conversion at the same …

Proposed General Approach to Fire-Safety Scenarios

May 29, 2012
Author(s)
Amanda P. Robbins, Erica D. Kuligowski, Steve M. Gwynne
A systematic approach to the identification of fire-safety scenarios for analysis is desirable in order to identify important scenarios and to help ensure a consistent approach for different analysts. The number of possible fire-safety scenarios in any

Nanoscale Fullerene Compression of an Yttrium Carbide Cluster

April 13, 2012
Author(s)
Jianyuan Zhang, Fuhrer Tim, Wujun Fu, Jiechao Ge, Dan Bearden, Jerry Dallas, Duchamp James, Kenneth Walker, Hunter Champion, Hugo Azurmendi, Kim Harich, Harry C. Dorn
The encapsulation of clusters (or small molecules) in spheroidal fullerene cages provides a unique isolated environment that is important in describing their shape, dynamics, and physical properties. For the case of yttrium carbide clusters, we find that

Numerical test of few-qubit clock protocols

June 3, 2011
Author(s)
Till P. Rosenband
… The stability of several clock protocols based on 2 to 20 entangled atoms is evaluated numerically, by a … states proposed by Andre, Sorensen, and Lukin [PRL 92, 239801 (2004)] offer reduced instability compared to … numerical search for optimal clock protocols with 2 to 8 qubits yields improved clock stability compared to …

Thermally Stable Ge/Cu/Ti Ohmic Contacts to n-type GaN

October 16, 2008
Author(s)
Nadin Mahadik, M V. Rao, Albert Davydov
… stable low resistance ohmic contacts. Isochronal (2 min) anneals in the 600 degrees C to 740 degrees C … range and isothermal (690 degrees C) anneals for 2 to 10 min duration were performed in inert atmosphere. For … resistivity of 9.1x10 superscript -5} Ω cm superscript 2} after the 10 min anneal for a net donor doping …

In-Vitro Contact Wear of Dental Composites

January 1, 2004
Author(s)
V S. Nagarajan, S Jahanmir, V P. Thompson
… glass fillers and alumina at a filler loading of 92 wt%. The differences in wear rates between the three …
Displaying 101 - 125 of 241
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