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The electrical machinery core is formed with a ferromagnetic material that offers high magnetic properties. As ferromagnetic materials have high relative magnetic permeability, they are important in the formation of electromagnetic device…

Applied Physics · Physics 2022-09-21 Shinthia Binte Eskender , Anupam Saha , Shaikh Ishtiaque Ahmed

Over the last two decades, the research activities on magnetocalorics have been exponentially increased leading to the discovery of a wide category of materials including intermetallics and oxides. Even though the reported materials were…

Materials Science · Physics 2020-12-16 Mohamed Balli , Serge Jandl , Patrick Fournier , Afef Kedous-Lebouc

Muon spin rotation (muSR) has emerged as the leading experimental probe of the effective size of magnetic vortices in type-II superconductors. muSR data on several different classes of type-II superconductors shows that the inner structure…

Superconductivity · Physics 2010-12-06 J. E. Sonier

We demonstrate a superconducting (SC) microwave (mw) cavity that can accelerate the dark matter search by maintaining superconductivity in a high DC magnetic field. We used high-temperature superconductor (HTSC) yttrium barium copper oxide…

Instrumentation and Detectors · Physics 2019-02-25 Danho Ahn , Dojun Youm , Ohjoon Kwon , Woohyun Chung , Yannis K. Semertzidis

A new experimental area designed to develop, test and verify muon ionization cooling apparatus using the 400-MeV Fermilab Linac proton beam has been fully installed and is presently being commissioned. Initially, this area was used for…

A 325 MHz aluminum prototype of a spatially periodic rf quadrupole focusing linac was developed at the Institute of Modern Physics, Chinese Academy of Sciences, as a promising candidate for the front end of a high-current linac. It consists…

Accelerator Physics · Physics 2021-01-18 Peiyan Yu , Bin Zhang , Fengfeng Wang , Chenxing Li , Guozhen Sun , Zhijun Wang , Lubei Liu , Chenzhang Yuan , Yuan He , Hushan Xu

We report the identification of a sample of potential High-Mass Starless Cores (HMSCs). The cores were discovered by comparing images of the fields containing candidate High-Mass Protostellar Objects (HMPOs) at 1.2mm and mid-infrared…

Astrophysics · Physics 2009-11-13 T. K. Sridharan , H. Beuther , M. Saito , F. Wyrowski , P. Schilke

In this paper the techniques available to make and calibrate magnetic search coils are reviewed, with emphasis on harmonic coil systems as the commonly-used optimal choice for integral measurements of accelerator magnets in terms of…

Accelerator Physics · Physics 2011-04-06 M. Buzio

Co25Fe75 ferromagnetic films exhibit ultralow magnetic damping. The magnetic damping dependence of Cobalt Iron thin films over a Co composition (23 to 36%) is here reported. The thin film structures were sputter deposited at ambient…

Materials Science · Physics 2025-02-05 Samanvaya S. Gaur , Rosa Diaz , Ernesto E. Marinero

Mn1.5X0.5Sn (X = Cr, Mn, Fe, Co) nanomaterials in the hexagonal Ni2In-type crystal structure have been prepared using arc-melting and melt spinning. All the rapidly quenched Mn1.5X0.5Sn alloys show moderate saturation magnetizations with…

Materials Science · Physics 2015-06-23 R. Fuglsby , P. Kharel , W. Zhang , S. Valloppilly , Y. Huh , D. J. Sellmyer

An ideal magnetohydrodynamics (MHD) code with adaptive mesh refinement (AMR) was used to investigate the interactions of fast-mode shocks with self-gravitating, isothermal cores with mass-to-flux ratios that are somewhat below the minimum…

Solar and Stellar Astrophysics · Physics 2015-06-15 B. Vaidya , T. W. Hartquist , S. A. E. G. Falle

The axion is a hypothetical particle which is a candidate for cold dark matter. Haloscope experiments directly search for these particles in strong magnetic fields with RF cavities as detectors. The Relic Axion Detector Exploratory Setup…

Using first-principles calculations based on density functional theory, we probe the electronic and magnetic properties of X$_{2}$PtGa (X being Cr, Mn, Fe, Co) Heusler alloys. Our calculations predict that all these systems possess inverse…

Materials Science · Physics 2016-11-23 Tufan Roy , Aparna Chakrabarti

Compositionally complex materials (CCMs) present a potential paradigm shift in the design of magnetic materials. These alloys exhibit long-range structural order coupled with limited or no chemical order. As a result, extreme local…

Magnetic flux expulsion properties of the superconducting material such as bulk niobium, widely used for the radio-frequency cavity fabrication, substantially affect the performance characteristics of the cavities. The quality factor of the…

Accelerator Physics · Physics 2023-01-24 A. Netepenko

We study IrCrMnZ (Z=Al, Ga, Si, Ge) systems using first-principles calculations from the perspective of their application as the electrode materials of MgO-based MTJs. These materials have highly spin-polarized conduction electrons with…

Materials Science · Physics 2021-11-30 Tufan Roy , Masahito Tsujikawa , Masafumi Shirai

The LFI radiometers use a pseudo-correlation design where the signal from the sky is continuously compared with a stable reference signal, provided by a cryogenic reference load system. The reference unit is composed by small pyramidal…

Magnetic field strengths in objects ranging from HII regions to cosmological large scale structure can be estimated using dense grids of Rotation Measures (RMs) from polarized background radio structures. Upcoming surveys on the SKA and its…

Astrophysics of Galaxies · Physics 2019-01-29 Lawrence Rudnick

The cryomodule I for ADS Injection-I had been designed, fabricated and online tested. The CM1 contains seven superconducting magnets, seven superconducting spoke cavities and seven beam position monitors. The superconducting magnet, which…

Accelerator Physics · Physics 2016-01-28 Xiangchen Yang , Da Cheng , Quanling Peng , Yuan Chen , Fengyu Xu , Anbin Chen

The metal absorption lines found in association with \lya absorbers of moderate to high HI column density contain valuable information about the metallicity and ionization conditions within the absorbers and offer a stronger test of models…

Astrophysics · Physics 2016-08-30 Uffe Hellsten , Lars Hernquist , Neal Katz , David Weinberg