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Related papers: Open-Source Magnetometer for Characterizing Magnet…

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We propose a novel device concept using spin-orbit-torques to realize a magnetic field sensor, where we eliminate the sensor offset using a differential measurement concept. We derive a simple analytical formulation for the sensor signal…

Scanning-probe magnetometry is a valuable experimental tool to investigate magnetic phenomena at the micro- and nanoscale. We theoretically analyze the possibility of measuring magnetic fields via the electrical current flowing through…

Mesoscale and Nanoscale Physics · Physics 2017-02-01 Gábor Széchenyi , András Pályi

There is a growing interest in using pulsed high magnetic field as a controlling parameter of physical phenomena in various scientific disciplines, such as condensed matter physics, particle physics, plasma physics, chemistry and biological…

Ultra-low noise magnetic field is essential for many branches of scientific research. Examplesinclude experiments conducted on ultra-cold atoms, quantum simulations, as well as precisionmeasurements. In ultra-cold atom experiments…

Applied Physics · Physics 2019-05-27 Xiao-Tian Xu , Zong-Yao Wang , Rui-Heng Jiao , Chang-Rui Yi , Wei Sun , Shuai Chen

The characterization of the magnetic field distribution is essential in experiments and devices that use magnetic field coil systems. We present an open-source application software, MFV (Magnetic Field Visualizer), for the visualization of…

Computational Engineering, Finance, and Science · Computer Science 2019-04-10 J. D. Alzate-Cardona , D. Sabogal-Suárez , J. Torres , E. Restrepo-Parra

Vanadium is an elemental type-II superconductor which has a pure superconducting phase, a vortex phase, and a non-superconducting phase. We designed and carried out a low-budget experiment in our undergraduate physics lab to measure the…

Superconductivity · Physics 2022-09-07 Eshan Kemp , Daniel P. Newton , Ricky Parada

We have measured the zero-bias differential tunneling conductance of InAs/AlSb/GaS b/AlSb/InAs heterostructures at low temperatures (1.7K < T < 60K) and unde r a magnetic field at various angles with the heterostructure's interfaces. Shubni…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 E. M. González , Y. Lin , E. E. Mendez

We investigate the conductance properties of a hybrid ferromagnet-semiconductor structure consisting of a confined two-dimensional electron gas and a transverse ferromagnetic strip on top. Within the framework of the Landauer-B\"uttiker…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Michele Governale , Daniel Boese

Accurately measuring magnetic fields is essential for magnetic-field sensitive experiments in fields like atomic, molecular, and optical physics, condensed matter experiments, and other areas. However, since many experiments are conducted…

Instrumentation and Detectors · Physics 2023-05-31 Ziting Chen , Kin To Wong , Bojeong Seo , Mingchen Huang , Mithilesh K. Parit , Haoting Zhen , Jensen Li , Gyu-Boong Jo

We measure the magnetic field produced by a linear octupole formed by four magnets placed in such a way that both their magnetic moments and their quadrupole moments cancel each other. The magnetic field is measured with the magnetic sensor…

Physics Education · Physics 2024-07-30 E. Arribas , I. Escobar , R. Ramirez-Vazquez , A. C. Marti , M. Monteiro , C. Stari , A. Belendez

Atomic magnetometry was performed at Earth's magnetic field over a free-space distance of ten meters. Two laser beams aimed at a distant alkali-vapor cell excited and detected the $^{87}$Rb magnetic resonance, allowing the magnetic field…

Atomic Physics · Physics 2015-06-11 Brian Patton , Oscar Versolato , D. Chris Hovde , Eric Corsini , James Higbie , Dmitry Budker

Purpose: To describe the current properties and capabilities of an open-source hardware and software package that is being developed by many sites internationally with the aim of providing an inexpensive yet flexible platform for low-cost…

A Faraday force magnetometer is presented for measurements of magnetization at temperatures down to 100~mK and in magnetic fields up to 14~T. The specimen is mounted on a flexible cantilever forming a force-sensing capacitor in combination…

Materials Science · Physics 2020-07-22 Dominic Blosser , Leonardo Facheris , Andrey Zheludev

An AC susceptometer operating in the range of 10 Hz to 100 kHz and at room temperature is designed, built, calibrated and used to characterize the magnetic behaviour of coated magnetic nanoparticles. Other weakly magnetic materials (in…

Instrumentation and Detectors · Physics 2013-12-18 M. Alderighi , G. Bevilacqua , V. Biancalana , Y. Dancheva , A. Khanbekyan , L. Moi

Magnetic sensing is present in our everyday interactions with consumer electronics, and also demonstrates potential for measurement of extremely weak biomagnetic fields, such as those of the heart and brain. In this work, we leverage the…

Applied Physics · Physics 2019-11-26 Josh Javor , Alexander Stange , Corey Pollock , Nicholas Fuhr , David J. Bishop

Adaptable, low-cost, coils designed by carefully selecting the arrangements and geometries of simple primitive units are used to generate magnetic fields for diverse applications. These extend from magnetic resonance and fundamental physics…

We introduce a simple approach to evaluate the magnetic field distribution around superconducting samples, based on the London equations; the elementary variable is the vector potential. This procedure has no adjustable parameters, only the…

Superconductivity · Physics 2015-06-16 J. -G. Caputo , L. Gozzelino , F. Laviano , G. Ghigo , R. Gerbaldo , J. Noudem , Y. Thimont , P. Bernstein

The recent discovery of a nonsaturating linear magnetoresistance in several correlated electron systems near a quantum critical point has revealed an interesting interplay between the linear magnetoresistance and the zero-field…

In a large range of physics and space experiments, the direction of the magnetic field needs to be determined with an accuracy on the level of one milli radian or better. We have proposed a new type of magnetic compass - a rotation-based…

Nuclear Experiment · Physics 2024-06-18 B. Wojtsekhowski

The partition functions for two-dimensional nearest neighbour Ising model in a non-zero magnetic field have been derived for finite square lattices with the help of graph theoretical procedures, show-bit algorithm, enumeration of…

Statistical Mechanics · Physics 2010-06-03 G. Nandhini , M. Vinoth Kumar , M. V. Sangaranarayanan
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