Results 91 to 100 of about 417,893 (298)

On the spectrum of moderated neutrons emitted by the isotropic source in the gas fuel

Ядерна фізика та енергетика, 2016
Analytical formula for the equation of the neutron scattering for isotropic neutron source, which includes the temperature of the moderating medium as the parameter, was first obtained in the given work in the framework of gas model of the medium.
V. O. Tarasov, S. A. Chernezhenko, A. O. Kakaev, O. D. Berezovskiy, V. V. Voytenko   +4 more
doaj  

From Thin Films to Nanodots: Bottom‐Up Integration of Fe3O4 on Nb:STO for Functional Oxide Nanostructures

Advanced Materials, EarlyView.
Scalable bottom‐up fabrication of Fe3O4 nanodots on Nb:SrTiO3 using anodic alumina templates enables long‐range ordered arrays with diameters down to 30 nm. STEM highlights the epitaxial growth of Fe3O4 films on Nb:SrTiO3. Complementary polarized neutron reflectometry (PNR) and X‐ray magnetic circular dichroism (XMCD) measurements on continuous films ...
Yifan Xu, Connie Bednarski‐Meinke, Yen‐Po Liu, Erkai Wang, Asma Qdemat, Peijia Yuan, Lilian Maria Vogl, Patrick Schöffmann, Thomas Saerbeck, Chenyang Yin, Gerhard Dehm, Felix Gunkel, Regina Dittmann, Oleg Petracic, Mai Hussein Hamed   +14 more
wiley   +1 more source

Further evidence of antibunching of two coherent beams of fermions

, 2011
We describe an experiment confirming the evidence of the antibunching effect on a beam of non interacting thermal neutrons. The comparison between the results recorded with a high energy-resolution source of neutrons and those recorded with a broad ...
A. Orecchini, D. Moricciani, F. Sacchetti, H. Rauch, L. Mandel, M. Iannuzzi, P. Facchi, R. Loudon, R. Messi, S. Pascazio   +9 more
core   +1 more source

Intensity of the neutron component of cosmic rays and air humidity

Solar-Terrestrial Physics
Neutron monitor data is currently corrected only for the barometric effect. We cannot, however, exclude that changes in air humidity affect the intensity of the cosmic-ray neutron component recorded by neutron monitors.
Yanchukovsky V. L., Kalyuzhnaya M. A., Hisamov R. Z.   +2 more
doaj   +1 more source

Understanding the Dynamics of Nanoparticle Formation and Evolution in Functional Oxides via In Situ SAXS/WAXS

Advanced Materials Interfaces, EarlyView.
In situ SAXS/WAXS enables real‐time tracking of nanoparticle formation and evolution in exsolved and infiltrated Ni‐based perovskites under reducing conditions. The combined technique captures nucleation, growth, and coarsening dynamics with high temporal resolution, providing statistically robust insights into structural and morphological ...
Elena Vicente, Sylvio Haas, Jose Manuel Serra, María Balaguer, Cecilia Solís   +4 more
wiley   +1 more source

Mirrors for slow neutrons from holographic nanoparticle-polymer free-standing film-gratings

, 2012
We report on successful tests of holographically arranged grating-structures in nanoparticle-polymer composites in the form of 100 microns thin free-standing films, i.e.
C. Pruner, Høghøj P., J. Klepp, K. Mitsube, M. Fally, P. Geltenbort, Rauch H., Sears V. F., Willis B. T. M., Y. Tomita   +9 more
core   +1 more source

First research of nickel-lithium-hydrogen teplogenerator reactions in Kyiv

Ядерна фізика та енергетика, 2019
The first observations of the heat release reaction in the nickel-lithium-hydrogen mixture of the A. Rossi heat generator were carried out at the Institute for Nuclear Research of the National Academy of Sciences of Ukraine. The presence of this reaction
V. A. Pshenichnyi, O. O. Gritzay, V. M. Pavlovych, O. I. Kalchenko, V. M. Venedyktov, V. P. Shakhov, O. V. Dubikovsky, Т. М. Sabov, О. V. Kosulja   +8 more
doaj   +1 more source

Interfacial Behavior of Methane in Methane/p‐Xylene/Water Systems: First Principles Inspected Using Neutron Imaging and Molecular Dynamics Simulations

Advanced Materials Interfaces, EarlyView.
Pressurized gases reduce interfacial tension (IFT) at the gas‐liquid interfaces, their influence on the liquid–liquid interfaces remains unclear. For model compounds methane, water, and p‐xylene, neutron imaging observation of pressurized three‐phase systems is combined with Molecular Dynamics simulations.
Martin Melčák, Tereza‐Markéta Durďáková, Petr Číhal, Jonatan Šercl, Jongmin Lee, Pierre Boillat, Jan Heyda, Pavel Trtik, Ondřej Vopička   +8 more
wiley   +1 more source

Validation of spallation neutron production and propagation within Geant4

, 2007
Using simulations to understand backgrounds from muon-induced neutrons is important in designing next-generation low-background underground experiments.
A.G. Schubert, Aalseth, Agostinelli, Allison, Araújo, Bauer, Brun, Chazal, J.A. Detwiler, J.F. Wilkerson, Jenkins, Kudryavtsev, M.G. Marino, Mei, Metropolis, R. Henning, R.A. Johnson, Roeslera, Taniguchi, Wang   +19 more
core   +1 more source

Design and Characterization of the Modified Purdue Subcritical Pile for Nuclear Research Applications

Instruments
First demonstrated in 1942, subcritical and zero-power critical assemblies, also known as piles, are a fundamental tool for research and education at universities.
Matthew Niichel, Vasileios Theos, Riley Madden, Hannah Pike, True Miller, Brian Jowers, Stylianos Chatzidakis   +6 more
doaj   +1 more source