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Related papers: GINA - A Polarized Neutron Reflectometer at the Bu…

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Using spin dependent specular and off-specular polarized neutron reflectivity (PNR), we report the observation of a twisted helical magnetic structure with planar 2{\pi} domain wall (DW) and highly correlated magnetic domains in a Gd/Co…

Mesoscale and Nanoscale Physics · Physics 2019-10-16 Surendra Singh , M. A. Basha , C. L. Prajapat , Harsh Bhatt , Yogesh Kumar , M. Gupta , C. J. Kinane , J. Cooper , M. R. Gonal , S. Langridge , S. Basu

We discuss the design and construction of a novel target array of nonmagnetic test masses used in a neutron polarimetry measurement made in search for new possible exotic spin dependent neutron-atom interactions of Nature at sub\,-$mm$…

Instrumentation and Detectors · Physics 2017-12-01 Christopher Haddock , Bret Crawford , Walter Fox , Ian Francis , Adam Holley , Murad Sarsour , W. Michael Snow , John Vanderwerp

Spin waves are proposed as information carriers for next-generation computing devices because of their low power consumption. Moreover, their wave-like nature allows for novel computing paradigms. Conventional methods to detect spin waves…

Mesoscale and Nanoscale Physics · Physics 2023-02-22 J. Lucassen , M. J. G. Peeters , C. F. Schippers , R. A. Duine , H. J. M. Swagten , B. Koopmans , R. Lavrijsen

Polarizers and polarization selective resonant cavities (e.g., ring resonators, gratings), are key components for applications to photography, coherent optical detection, polarization-division-multiplexing, optical sensing and liquid…

Neutron scattering is a powerful probe of strongly correlated systems. It can directly detect common phenomena such as magnetic order, and can be used to determine the coupling between magnetic moments through measurements of the spin-wave…

Strongly Correlated Electrons · Physics 2014-10-02 Igor A. Zaliznyak , John M. Tranquada

The spectra of two-dimensional photonic crystal slab nanocavities with embedded InAs quantum dots are measured by photoluminescence and reflectance. In comparing the spectra taken by these two different methods, consistency with the…

We deployed a small, 80kg, antineutrino detector based on solid plastic scintillator, called MiniCHANDLER for nearly three months at a distance of 25m from a 2.9GW thermal power reactor core at the North Anna Nuclear Generating Station. We…

Instrumentation and Detectors · Physics 2020-03-18 Alireza Haghighat , Patrick Huber , Shengchao Li , Jonathan M. Link , Camillo Mariani , Jaewon Park , Tulasi Subedi

Neutron time-of-flight transmission spectra of mosaic crystals contain Bragg dips, i.e., minima at wavelengths corresponding to diffraction reflections. Positions of the dips are used for investigating crystal lattices. By rotating the…

Materials Science · Physics 2024-08-27 A. Morawiec

Above $\sim$3 keV, the X-ray spectrum of the active galactic nuclei (AGN) is characterized by the intrinsic continuum and compton reflection features. For type-1 AGN, several regions could contribute to the reflection. In order to…

Magnetic state of exchanged biased CoO(20nm)/Co($d_F$) bilayer ($d_F$=5-20nm) was studied by means of polarized neutron reflectometry. By spacing of CoO/Co bilayer and Al$_2$O$_3$ substrate with Nb(20nm) layer we created waveguide structure…

Strongly Correlated Electrons · Physics 2021-12-07 Yu. Khaydukov , D. Lenk , V. Zdravkov , R. Morari , T. Keller , A. S. Sidorenko , L. R. Tagirov , R. Tidecks , S. Horn , B. Keimer

We report on the realization of a sputter deposition system for the in situ- and in operando-use in polarized neutron reflectometry experiments. Starting with the scientific requirements, which define the general design considerations, the…

Electrically generated spin polarization is probed directly in bulk GaN using Kerr rotation spectroscopy. A series of n-type GaN epilayers are grown in the wurtzite phase both by molecular beam epitaxy (MBE) and metalorganic chemical vapor…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 W. F. Koehl , M. H. Wong , C. Poblenz , B. Swenson , U. K. Mishra , J. S. Speck , D. D. Awschalom

We describe some of the first polarized neutron scattering measurements performed at HYSPEC spectrometer at the Spallation Neutron Source, Oak Ridge National Laboratory. We discuss details of the instrument setup and the experimental…

Polarization is a fundamental property of light that carries distinct and valuable information. Consequently, its precise measurement is crucial for numerous applications, including biomedical imaging, remote sensing, and optical…

Several important and unique measurements, within the standard model and of possible physics beyond it, could be made with {\em polarized HERA} in which both the proton and the electron beams are polarized. With a $\sim$820 GeV proton beam…

High Energy Physics - Experiment · Physics 2007-05-23 A. Deshpande

Ta films with tetragonal crystalline structure (beta-phase), deposited by magnetron sputtering on different substrates (steel, silicon and silicon dioxide), have been studied. In all cases, very highly preferred (001) orientation was…

Materials Science · Physics 2009-11-10 Aiqin Jiang , Trevor A. Tyson , Lisa Axe , Leszek Gladczuk , Marek Sosnowski , Paul Cote

All-reflective interferometry based on nano-structured diffraction gratings offers new possibilities for gravitational wave detection. We investigate an all-reflective Fabry-Perot interferometer concept in 2nd order Littrow mount. The…

We introduce a novel type of neutron interference mirrors based on a chemically homogeneous BxC (x>4) matrix with internal high precision 10B/11B isotope modulation. Simulations predict that these mirrors exhibit very high neutron…

Materials Science · Physics 2024-04-09 J. Birch , S. Stendah , S. Dorri , A. Zubayer , N. Ghafoor , F. Eriksson

We report electron spin resonance measurements of donors in silicon at millikelvin temperatures using a superconducting $LC$ planar micro-resonator and a Josephson Parametric Amplifier. The resonator includes a nanowire inductor, defining a…

We present recent improvements in polarization analysis with the INTEGRAL SPI data. The SPI detector plane consists of 19 independent Ge crystals and can operate as a polarimeter. The anisotropy characteristics of Compton diffusions can…

Instrumentation and Methods for Astrophysics · Physics 2015-06-15 M. Chauvin , J. P. Roques , D. J. Clark , E. Jourdain
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