Results 61 to 70 of about 54,467 (314)

On neutron holography, neutron interferometry, and neutron orbital angular momentum

Optics Express
In Opt. Express 24, 22528 (2016)10.1364/OE.24.022528, D. Sarenac et al. reported neutron holography using a Laue crystal interferometer and a spiral phase plate, interpreting the resulting interference pattern as a hologram reconstructing neutron beams carrying orbital angular momentum (OAM).
Treimer, Wolfgang, Haußer, Frank, Beckers, Ingeborg, Suda, Martin, Jach, Terrence   +4 more
openaire   +3 more sources

Displacive In‐Plane Ferroelectricity with Domain‐Specific Curie Temperature in Van der Waals Semiconductors

Advanced Science, EarlyView.
Temperature‐dependent electron diffraction on tin monochalcogenides demonstrates a gradual displacive transformation between ferroelectric and paraelectric phases with significant variability in lattice constants and Curie temperature (TC). Periodic variations exist even between domains in individual crystals, implying a domain‐specific Curie ...
Peter Sutter, Eli Sutter
wiley   +1 more source

Spatial Engineering of Gas Diffusion Layers Overcomes Mass Transport Limitations in Fuel Cells

Advanced Science, EarlyView.
ABSTRACT Mass transport limitations at high current densities hinder polymer electrolyte fuel cell (PEFC) performance due to inefficient water management and reactant distribution. Gas diffusion layer (GDL) perforation offers a potential solution as an alternative to complex flow‐field modifications.
Shangwei Zhou, Wenjia Du, Jianuo Chen, Yunsong Wu, Bochen Li, Jieyang Li, Linlin Xu, Winfried Kockelmann, Meng Lin, Marc‐Olivier Coppens, Paul R Shearing, Rhodri Jervis, Thomas S. Miller   +12 more
wiley   +1 more source

Neutron field spatial distribution from the DD neutron source determined by the KOSTKA experimental device [PDF]

EPJ Web of Conferences
The spatial distribution of neutrons plays a crucial role in characterizing the neutron source. In this experiment, solid-state nuclear track detectors made of polyallyl diglycol carbonate (PADC) were selected for this purpose.
Vrtalová Vendula, Vrban Branislav, Lüley Jakub, Čerba Štefan, Sedlák Matúš, Révai Filip, Glavo Otto, Nečas Vladimír   +7 more
doaj   +1 more source

Neutron fluence and dose measurements by optical fibers

, 2022
S.290-295It is shown that fibers doped with (Ge + P) or with (GE + B) can be used with good accuracy for fluence determinations of fast or slow neutrons, respectively, when they are calibrated at sources of known flux.
Kirchhoff, J., Decreton, M., Metzger, Stefan, Köhn, Otmar, Deparis, O., Devos, P., Henschel, Henning, Grimm, S.   +7 more
core  

Carboranyl‐Curcuminoids for the Neutron Capture‐Based Treatment of Amyloid Aggregates in Alzheimer's Disease

Advanced Science, EarlyView.
The 10B‐enriched monocarbonyl analog of curcumin (BMAC) 10B‐9 enables site‐specific Boron Neutron Capture Therapy (BNCT) on amyloid‐β (Aβ) fibrils. Neutron irradiation induces histidine oxidation and fibril destabilization, as revealed by 1H‐NMR and FESEM analyses.
Sebastiano Micocci, Stefano Parisotto, Diego Alberti, Alberto Lanfranco, Valeria Bitonto, Polyssena Renzi, Martina Salmi, Andrea Magnani, Federica Dal Bello, Katiuscia Pagano, Laura Ragona, Nicoletta Protti, Annamaria Deagostino, Simonetta Geninatti Crich   +13 more
wiley   +1 more source

Observed Correlation Between Local Topography and Passive Neutron Measurements From the Dynamic Albedo of Neutrons (DAN) Instrument on the Mars Science Laboratory (MSL) Rover

Earth and Space Science
The Dynamic Albedo of Neutrons (DAN) instrument on the Mars Science Laboratory Curiosity rover primarily measures neutrons that have undergone interactions with rocks and materials in the rover's local environment.
Steven D. Dibb, Craig Hardgrove, Jack Lightholder, Lena Heffern, Bent Ehresmann   +4 more
doaj   +1 more source

New Insight on Damped Oscillating Regular Structures from “Effective” Proton Electromagnetic Form Factor Data

AppliedMath
An objective existence of damped oscillation regular structures from the proton “effective” electromagnetic form factor data, appearing when these data are described by a two parametric Tomasi-Gustafsson-Rekalo function, is investigated. If the same data
Stanislav Dubnička, Anna-Zuzana Dubničková, Lukáš Holka, Andrej Liptaj   +3 more
doaj   +1 more source

Diffusion inélastique des neutrons et simulations atomistiques [PDF]

, 2010
Des logiciels conviviaux et des ordinateurs multiprocesseurs d’un prix abordable sont maintenant disponibles et ouvrent aux expérimentateurs la porte du monde de la simulation pour “l’analyse avancée des données”.
Capogna, L, E. Pellegrini, Pellegrini, E, CALLIGARI, PAOLO, D. Richard, A. Filhol, M.R. Johnson, M.A. González, Johnson, M. R, Filhol, A, R. Ghosh, M. Zbiri, Ghosh, R, E. Farhi, P. Calligari, Zbiri, M., Farhi, E, Richard, D., González, M, L. Capogna   +19 more
core   +1 more source

Tunable Negative Thermal Expansion in Fe/Cr‐Substituted Nd2Co17 Compounds via Magnetoelastic Coupling

Advanced Science, EarlyView.
This study achieves anisotropic thermal expansion tuning in Nd2(Co1‐xFex)17‐yCry compounds via a magnetoelastic strategy. Variable‐temperature synchrotron X‐ray diffraction reveals that increased Fe content induces switchable lattice responses. Compositional control reduces the volume expansion coefficient αV by 20% (x═0.7) and modulates TC (442–625 K),
Jiayuan Li, Chenfei Qv, Haoran Tu, Qinfen Gu, Wayne D. Hutchison, Stewart J. Campbell, Zhenxiang Cheng, Wenquan Wang, Jianli Wang   +8 more
wiley   +1 more source