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Displaying 326 - 350 of 1455

Epitaxial Al/GaAs/Al tri-layers fabricated using a novel wafer-bonding technique

September 15, 2020
Author(s)
Anthony McFadden, Aranya Goswami, Michael Seas, Corey Rae McRae, Ruichen Zhao, David P. Pappas, Christopher J. Palmstrom
… have been fabricated using a wafer-bonding technique. III-V semiconductor/Al structures are grown by molecular beam epitaxy on III-V semiconductor substrates and bonded to silicon and sapphire. Selective etching is used to remove the III-V substrate followed by surface cleaning and …

A Comparison of Predicted to Measured Photovoltaic Module Performance

March 1, 2009
Author(s)
Arthur H. Fanney, Brian P. Dougherty, Mark W. Davis
… using three different glazing materials 6-mm low-iron glass, 2-mm ethylene-tetrafluoroethylene copolymer (ETFE), and 2-mm polyvinylidene fluoride (PVDF). In order to only assess the simulation model …

Coexistence of Ferromagnetic and Stripe-Type Antiferromagnetic Spin Fluctuations in YFe 2 Ge 2

May 31, 2019
Author(s)
Hongliang Wo, Qisi Wang, Yao Shen, Xiaowen Zhang, Yiqing Hao, Yu Feng, Shoudong Shen, Zheng He, Bingying Pan, Wenbin Wang, K. Nakajima, S. Ohira-Kawamura, P. Steffens, M. Boehm, K. Schmalzl, T. R. Forrest, M. Matsuda, Yang Zhao, Jeffrey W. Lynn, Zhiping Yin, Jun Zhao
… which has the same crystal structure to the 122 family of iron pnictide superconductors. YFe 2 Ge 2 does not exhibit … order, but exhibits strong spin fluctuations. Like the iron pnictides, YFe 2 Ge 2 displays anisotropic stripe-type … the ferromagnetic correlations may be a key ingredient for iron-based materials. …

A SURF Beamline for Synchrotron Source-Based Absolute Radiometry

February 1, 2003
Author(s)
Ping-Shine Shaw, Uwe Arp, Howard W. Yoon, Robert D. Saunders, Albert C. Parr, Keith R. Lykke
… at Synchrotron Ultraviolet Radiation Facility (SURF III) was constructed recently. The goal of this beamline is … range from far UVto IR by using the calculability of SURF III. The new beamline is a straight-through white-light … to the low and flexible operating electron energy of SURF III (from 380 MeV to less than 100 MeV), the beamline is …

Multi-Component Fe-Ni Oxide Nanocatalysts for Oxygen Evolution and Methanol Oxidation Reactions under Alkaline Conditions

November 29, 2016
Author(s)
Stephanie L. Candelaria, Nicholas M. Bedford, Taylor J. Woehl, Nikki S. Rentz, Allison R. Showalter, Svitlana Pylypenko, Bruce A. Bunker, Sungsik Lee, Benjamin Reinhart, Yang Ren, S P. Ertem, E. B. Coughlin, Nicholas A. Sather, James L. Horan, Andrew M. Herring, Lauren F. Greenlee
… form of a bimetallic catalyst. In this work, bimetallic iron-nickel nanoparticles are synthesized using a multi-step … under ambient conditions. When compared to monometallic iron and nickel nanoparticles, the Fe-Ni nanoparticles show … At 1 mA/cm2, the overpotential for the monometallic iron and nickel nanoparticles was 421 mV and 476 mV, …

Heavy ion space radiation triggers ongoing DNA base damage by downregulating DNA repair pathways

July 7, 2020
Author(s)
Shubhankar Suman, Pawel Jaruga, M Miral Dizdar, Albert J. Fornace, Jr., Datta Kamal
… in mouse intestinal cells after exposure to γ-rays and iron radiation. Mice (C57BL/6J; 6 to 8 weeks; female) were exposed to 0.5 Gy of either γ-rays or iron radiation and control mice were sham-irradiated. … were assessed using PCR and immunoblotting. Effects of iron radiation were compared to γ-rays and sham-irradiated …

Core-Hole-Electron Interaction in X-Ray Raman Scattering

September 1, 2001
Author(s)
J A. Soininen, K Hamalainen, W A. Caliebe, C C. Kao, Eric L. Shirley
… from K shells of lithium, beryllium and carbon in lithium fluoride, beryllium oxide and diamond, respectively. A good …

The Discovery of Type-IV Binary Fluid Phase Behavior

October 16, 2008
Author(s)
Johanna Levelt Sengers
… phase diagram as a transition between Type-II and Type-III phase diagrams. The common boundary of the regions of Type-II and Type-III is a locus of tricritical points. The tricritical locus … Van der Waals binary mixtures, produced Type-II and Type-III phase diagrams, and found the exact coordinates of what …
Displaying 326 - 350 of 1455
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