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Displaying 13401 - 13425 of 73697

Measurement and Modeling Needs for Next-Generation Concrete Binders

July 1, 2017
Author(s)
Jeffrey W. Bullard, Edward J. Garboczi, Paul E. Stutzman, Pan Feng, Alexander S. Brand, John G. Hagedorn, Wesley N. Griffin, Judith E. Terrill
Cementitious binders have become increasingly complex in their variety, mineralogical and chemical compositions, and structure over the past several decades, and there is no sign that the trend will stop or reverse in the future. Strategies for handling

Modulation of Polypeptide Conformation through Donor-Acceptor Transformation of Side-Chain Hydrogen Bonding Ligands

July 1, 2017
Author(s)
Ziyuan Song, Rachael A. Mansbach, Hua He, Kuo-Chih Shih, Ryan Baumgartner, Nan Zheng, Xiaochu Ba, Yinzhao Huang, Deepak Mani, Yun Liu, Yao Lin, Mu-Ping Nieh, Andrew L. Ferguson, Lichen Yin, Jianjun Chen
Synthetic polypeptides have received increasing attention due to their ability to form higher ordered structures similar to proteins. The control over their secondary structures, which enables dynamic conformational changes, is primarily accomplished by

Vacancy Dissociation in BCC Screw Dislocation Cores

July 1, 2017
Author(s)
Lucas M. Hale, Yuri Mishin, Chandler A. Becker
The interaction between screw dislocations and vacancies in body-centered cubic metals is investigated using molecular dynamics simulations. For thirteen different classical interatomic potentials, materials properties relating to vacancies, dislocations

A method to extrapolate the diffuse upwelling radiance attenuation coefficient to the surface as applied to the Marine Optical Buoy (MOBY)

June 30, 2017
Author(s)
Kenneth Voss, Howard Gordon, Stephanie J. Flora, B. Carol Johnson, Mark A. Yarbrough, Michael Feinholz, Terrance Houlihan
The upwelling radiance attenuation coefficient (KLu) in the upper 10 m of the water column can be significantly influenced by inelastic scattering processes, and thus will vary even with homogeneous water properties. The Marine Optical BuoY (MOBY), the

Compensated Ferrimagnetism in the Zero-Moment Heusler Alloy Mn 3 Al

June 30, 2017
Author(s)
Michelle Elizabeth Jamer, Yung Jui Wang, Gregory M. Stephen, Ian J. McDonald, Alexander J Grutter, George E. Sterbinsky, Dario A. Arena, Julie A. Borchers, Brian J Kirby, Laura H. Lewis, Bernardo Barbiellini, Arun Bansil, Don Heiman
While antiferromagnets have been proposed as components to limit stray magnetic fields in spintronics devices, their inability to be spin polarized inhibits their use. Compensated ferrimagnets are a unique solution to this dilemma since they have zero net

Flame Inhibition by Potassium-Containing Compounds

June 30, 2017
Author(s)
Valeri I. Babushok, Gregory T. Linteris, Pol Hoorelbeke
A kinetic model of inhibition by the potassium containing compound potassium bicarbonate is suggested. The model is based on the previous work concerning kinetic studies of suppression of secondary flashes, inhibition by alkali metals and the studies of

Non-Uniform Sampling for All: More Spectral Quality, Less Measurement Time

June 30, 2017
Author(s)
Frank Delaglio, Gregory S. Walker, Kathleen A. Farley, Raman Sharma, Jeffrey C. Hoch, Luke Arbogast, Robert Brinson, John Marino
Nuclear Magnetic Resonance (NMR) spectroscopy is an indispensable tool in pharmaceutical science, with uses in drug discovery, development, and manufacturing. Non-Uniform Sampling (NUS) is an acquisition method for NMR experiments with two or more

Optical Radiation from Integer Quantum Hall States in Dirac Materials

June 30, 2017
Author(s)
Michael Gullans, Jacob M. Taylor, Mohammad Hafezi
Quantum Hall systems exhibit topologically protected edge states, which can have a macroscopic spatial extent. Such edge states provide a unique opportunity to study a quantum emitter whose size far exceeds the wavelength of emitted light. To better

Precision measurement of the radiative beta decay of the free neutron

June 30, 2017
Author(s)
Christopher D. Bass, Maynard S. Dewey, Thomas R. Gentile, Hans Pieter Mumm, Alan Keith Thompson, M J. Bales, R. Alarcon, E J. Beise, H Breuer, Jim Byrne, T E. Chupp, Kevin Coakley, R L. Cooper, B. O'Neill, F E. Wietfeldt
The theory of quantum electrodynamics predicts that a continuous spectrum of photons is emitted in the beta decay of the free neutron in addition to a proton, an electron, and an antineutrino. We report the first precision test of the shape of the photon

Spin-wave propagation in cubic anisotropy materials

June 30, 2017
Author(s)
Koji Sekiguchi, Seo-Won Lee, Hiroaki Sukegawa, Nana Sato, Se-Hyeok Oh, Robert McMichael, Kyung-Jin Lee
The information carrier of modern technologies is the electron charge whose transport inevitably generates Joule heating. Spin-wave, the collective precessional motion of electron spins, does not involve moving charges and thus alleviates Joule heating [1
Displaying 13401 - 13425 of 73697
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