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We demonstrate an element-specific measurement of magnetization precession in a metallic ferromagnetic alloy, separating Ni and Fe moment motion in Ni81Fe19. Pump-probe X-ray magnetic circular dichroism (XMCD), synchronized with short…

Materials Science · Physics 2007-05-23 W. E. Bailey , L. Cheng , D. Keavney , C. -C. Kao , E. Vescovo , D. Arena

Low-mass (sub-eV) scalar field dark matter may induce apparent oscillations of fundamental constants, resulting in corresponding oscillations of the size and the index of refraction of solids. Laser interferometers are highly sensitive to…

General Relativity and Quantum Cosmology · Physics 2022-03-30 Lorenzo Aiello , Jonathan W. Richardson , Sander M. Vermeulen , Hartmut Grote , Craig Hogan , Ohkyung Kwon , Chris Stoughton

The use of chemically selective laser ionization combined with beta-delayed neutron counting at CERN/ISOLDE has permitted identification and half-life measurements for 623-ms Mn-61 up through 14-ms Mn-69. The measured half-lives are found…

We describe the design, assembly, and testing of a magnet intended to deflect beams of paramagnetic nanoclusters, molecules, and atoms. It is energized by high-grade permanent neodymium magnets. This offers a convenient option in terms of…

Instrumentation and Detectors · Physics 2020-05-26 Jiahao Liang , Thomas M. Fuchs , Rolf Schäfer , Vitaly V. Kresin

Edge-to-edge interprecipitate distance distributions are critical for predicting precipitation strengthening of alloys and other physical phenomena. A method to calculate this 3D distance and the 2D interplanar distance from atom-probe…

Materials Science · Physics 2009-11-13 Richard A. Karnesky , Dieter Isheim , David N. Seidman

In the course of the Hamburg/ESO survey we have discovered a white dwarf whose spectrum exhibits many similarities with the prototype of magnetic white dwarfs Grw+70$^{\circ}$8247. In particular several stationary line components indicative…

Astrophysics · Physics 2007-05-23 Dieter Reimers , Stefan Jordan , Norbert Christlieb

We optimised the magnetic field homogeneity of two canonical designs for mobile microfluidic NMR applications: two parallel magnets with an air gap and a modified Halbach array. Along with the influence of the sample length, general design…

Applied Physics · Physics 2021-03-26 Yannick Klein , Leon Abelmann , Han Gardeniers

The elements of the magneto-dipole (MD) interaction matrix are calculated for a pair of oriented spheroidal magnetic nanoparticles with a semiaxes ratio a/b = 1.25, 1.5, 2.0 and 3.0 as a function of the distance between the particle…

Mesoscale and Nanoscale Physics · Physics 2022-08-31 N. A. Usov

Stacks of high-temperature superconducting tape annuli can be used as magnetic shields operating efficiently for both axial and transverse fields. However, due to their layered geometry and hybrid electrical and magnetic properties,…

The structural and physical properties of two single-grain Au-Al-Gd 1/1 approximant crystals (ACs) with analyzed compositions Au73.67Al12.24Gd14.09 and Au74.67Al11.35Gd13.98 were thoroughly investigated. The two variants are iso-structural…

Materials Science · Physics 2025-03-18 Farid Labib , Takanori Sugimoto , Hiroyuki Takakura , Asuka Ishikawa , Ryuji Tamura

This work presents a custom analog front-end card designed for the read-out of PMTs coupled to lanthanum bromide scintillators. It integrates 16 discrete analog constant fraction discriminators (CFDs) on a compact 12x10 cm board, providing…

Instrumentation and Detectors · Physics 2024-11-04 Michael Wiebusch

The ATLAS Forward Physics (AFP) project plans to install 3D silicon pixel detectors about 210 m away from the interaction point and very close to the beamline (2-3 mm). This implies the need of slim edges of about 100-200 $\mu$m width for…

Instrumentation and Detectors · Physics 2015-11-09 Jörn Lange , Emanuele Cavallaro , Sebastian Grinstein , Ivan Lopez Paz

We consider the application of the magnetic flux leakage (MFL) method to the detection of defects in ferromagnetic (steel) tubulars. The problem setup corresponds to the cases where the distance from the casing and the point where the…

Data Analysis, Statistics and Probability · Physics 2015-11-10 Anastasiya V. Pimenova , Denis S. Goldobin , Jeremy Levesley , Andrey O. Ivantsov , Peter Elkington , Mark Bacciarelli

We describe the design, construction, and characterization of a permanent magnet based, transverse-field Zeeman slower for lithium atoms. We use off-the-shelf compact permanent bar magnets in the Halbach configuration to create a uniform…

Atomic Physics · Physics 2025-12-23 R. Elbaz , F. Hamodi-Gzal , N. Priel , M. O. Gzal , L. Khaykovich

The orthorhombic compound NdFe$_2$Al$_{10}$ has been studied by powder and single-crystal neutron diffraction. Below $T_N$ = 3.9 K, the Nd$^{3+}$ magnetic moments order in a double-$k$ [$\mathbf{k}_1 = (0, \frac{3}{4}, 0)$, $\mathbf{k}_2 =…

Strongly Correlated Electrons · Physics 2014-12-31 J. Robert , F. Damay , K. Saito , A. M. Bataille , F. Porcher , G. André , A. Gukasov , J. -M. Mignot , H. Tanida , M. Sera

Feshbach association of ultracold molecules using narrow resonances requires exquisite control of the applied magnetic field. Here we present a magnetic field control system to deliver magnetic fields of over 1000 G with ppm-level precision…

It was shown that anomalous resistivity behavior of the $Cu-Mn-Al$ ribbons is explained by the s-d interaction between conduction electrons and the clustered Mn atoms. While nuclear magnetic resonance measurements show the antiferromagnetic…

Materials Science · Physics 2018-04-13 Matej Hudak , Jana Tothova , Ondrej Hudak

It is now well established that the homogenization of a periodic array of parallel dielectric fibers with suitably scaled high permittivity can lead to a (possibly) negative frequency-dependent effective permeability. However this result…

Analysis of PDEs · Mathematics 2017-06-20 Guy Bouchitté , Christophe Bourel , Didier Felbacq

We suggest here a novel nano-laminate, 5[Fe]/2[W$_x$Re$_{1-x}$] (x=0.6-0.8), with enhanced magnetic hardness in combination with a large saturation moment. The calculated magnetic anisotropy of this material reaches values of 5.3-7.0…

We design and demonstrate a compact, robust and simple to assemble and tune permanent magnet suitable for NMR relaxometry measurements of microfluidic flows. Soft-magnetic stainless steel plates, incorporated inside the magnet airgap, are…

Applied Physics · Physics 2023-01-25 Dmytro Polishchuk , Han Gardeniers