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Related papers: Inductive Detection of Magnetostrictive Resonance

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A minimally invasive technique is proposed for detecting the differential spin conductance and spin current noise across a junction between two quantum magnets using a high-quality microwave resonator coupled to a transmission line which is…

Mesoscale and Nanoscale Physics · Physics 2019-05-27 Joshua Aftergood , Mircea Trif , So Takei

Recent progress in the application of color centers to nanoscale spin sensing makes the combined use of noise spectroscopy and scanning probe imaging an attractive route for the characterization of arbitrary material systems. Unfortunately,…

Micro-ring resonators (MRRs) "trap" incoming light, and therefore, have been shown to achieve extremely high local intensities of light. Thus, they can be used to facilitate highly non-linear optical signals. By embedding materials that…

Mesoscale and Nanoscale Physics · Physics 2024-09-04 A. Sharma , Y. Li , M. K. Prasad , W. L. Ho , S. T. Chu , I. V. Borzenets

We present a rapid-scanning approach to fluorescence-detected two-dimensional electronic spectroscopy that combines acousto-optic phase-modulation with digital lock-in detection. The approach shifts the signal detection window to suppress…

Excitation of spin waves is considered in a superconducting ferromagnetic slab with the equilibrium magnetization both perpendicular and parallel to the surface. The surface impedance is calculated and its behavior near propagation…

Superconductivity · Physics 2009-11-11 V. Braude

A magnetic measurement of the bar shaped test specimen placed inside the planar sensor is presented. A magnetic material characterization approach using planar cavity is proposed in this work. The proposed planar sensor relaxes the main…

Signal Processing · Electrical Eng. & Systems 2019-06-26 Nilesh K Tiwari , A K Jha , S P Singh , M Jaleel Akhtar

Absorbed power of nanoparticles during magnetic hyperthermia can be well determined from changes in the quality factor ($Q$ factor) of a resonator, in which the radiofrequency (RF) absorbent is placed. We present an order of magnitude…

Applied Physics · Physics 2019-07-17 I. Gresits , Gy. Thuróczy , O. Sági , I. Homolya , G. Bagaméry , D. Gajári , M. Babos , P. Major , B. G. Márkus , F. Simon

Microwave assisted magnetization reversal has been investigated in a bilayer system of Pt/ferromagnet by detecting a change in the polarity of the spin pumping signal. The reversal process is studied in two material systems, Pt/CoFeB and…

This article describes a method called Lorentz Force Electrical Impedance Tomography. The electrical conductivity of biological tissues can be measured through their sonication in a magnetic field: the vibration of the tissues inside the…

Medical Physics · Physics 2014-02-12 Pol Grasland-Mongrain , Jean-Martial Mari , Jean-Yves Chapelon , Cyril Lafon

Magnetic pickup loops or B-dot probes are one of the oldest known sensors of time-varying magnetic fields. The operating principle is based on Faraday's law of electromagnetic induction. However, obtaining accurate measurements of…

A novel approach for measuring the electrical resistivity of non-magnetic materials using magnetic force microscopy (MFM) is discussed. In this method, MFM detects magnetic fields generated by eddy currents induced by the oscillation of a…

Surface-acoustic-wave (SAW) based devices have emerged as a promising technology in magnetic field sensing by integrating a magnetostrictive layer with the giant {\Delta}E/{\Delta}G effect. However, almost all SAW magnetic field sensors…

Applied Physics · Physics 2022-06-07 Wenbin Hu , Mingxian Huang , Huaiwu Zhang , Feiming Bai

The resonant enhancement of mechanical and optical interaction in optomechanical cavities enables their use as extremely sensitive displacement and force detectors. In this work we demonstrate a hybrid magnetometer that exploits the…

Optically detected magnetic resonance (ODMR) provides ultrasensitive means to detect and image a small number of electron and nuclear spins, down to the single spin level with nanoscale resolution. Despite the significant recent progress in…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Aharon Blank , Guy Shapiro , Ran Fischer , Paz London , David Gershoni

Driven non-linear resonators can display sharp resonances or even multistable behaviours amenable to induce strong enhancements of weak signals. Such enhancements can make use of the phenomenon of vibrational resonance whereby a weak…

When strongly pumped at twice their resonant frequency, non-linear resonators develop a high-amplitude intracavity field, a phenomenon known as parametric self-oscillations. The boundary over which this instability occurs can be extremely…

Ferromagnetic substrate influences the electromagnetic response of a type-II superconducting film to the applied magnetic field. We present a two-dimensional integrodifferential model for the magnetization of a flat…

Superconductivity · Physics 2024-02-12 Leonid Prigozhin , Vladimir Sokolovsky

We consider a single-electron transistor in the form of a ferromagnetic dot in contact with normal-metal and pinned ferromagnetic leads. Microwave-driven precession by the dot induces a pumped electric current. In open circuits, this…

Mesoscale and Nanoscale Physics · Physics 2010-12-06 Scott A. Bender , Yaroslav Tserkovnyak , Arne Brataas

Exact analytical results are obtained for the flux-pinning-induced magnetostriction in cylindrical type-II superconductors placed in parallel magnetic field. New modes of irreversible deformation are found: In contrast to the circular…

Superconductivity · Physics 2009-10-30 T. H. Johansen , J. Lothe , H. Bratsberg

The inverse proximity effect, i.e. the induction of a magnetic moment in the superconductor in superconductor-ferromagnet (S/F) junctions is studied theoretically. We present a microscopic approach which combines a model Hamiltonian with…

Superconductivity · Physics 2009-11-11 F. S. Bergeret , A. Levy Yeyati , A. Martin-Rodero
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