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Magneto-optical sensors including spin noise spectroscopies and magneto-optical Kerr effect microscopies are now ubiquitous tools for materials characterization that can provide new understanding of spin dynamics, hyperfine interactions,…

Quantum Physics · Physics 2022-02-10 Yun-Yi Pai , Claire E. Marvinney , Chengyun Hua , Raphael C. Pooser , Benjamin J. Lawrie

In this letter, we demonstrate the experimental mapping of the longitudinal magnetic and electric optical fields with a standard scanning microscope that involves a high numerical aperture far-field objective. The imaging concept relies…

Optics · Physics 2015-06-17 C. Ecoffey , T. Grosjean

The technique of spin-polarized scanning tunneling microscopy is investigated for its use in determining fine details of surface magnetic structure down to the atomic scale. As a model sample, the row-wise anti-ferromagnetic Mn3N2(010)…

Materials Science · Physics 2009-11-11 Rong Yang , Haiqiang Yang , Arthur R. Smith , Alexey Dick , Jorg Neugebauer

Electron microscopes have been improved to achieve ever smaller beam spots, a key parameter that determines the instrument's resolution. The techniques to measure the size of the beam, however, have not progressed to the same degree. There…

Applied Physics · Physics 2019-07-24 Matthew Zotta , Sharadh Jois , Prathamesh Dhakras , Miguel Rodriguez , Ji Ung Lee

Electrically detected magnetic resonance (EDMR) is applied to mm size devices with implanted leads and a 50 micron square gap laid down on bulk phosphorus doped silicon. Devices with a range of phosphorus concentrations and surface types…

Materials Science · Physics 2010-02-23 W. D. Hutchison , P. G. Spizzirri , F. Hoehne , M. S. Brandt

We present the design and experimental results of a near-field scanning microwave microscope (NSMM) working at a frequency of 1GHz. Our microscope is unique in that the sensing probe is separated from the excitation electrode to…

Materials Science · Physics 2009-11-13 K. Lai , M. B. Ji , N. Leindecker , M. A. Kelly , Z. X. Shen

In-situ characterization of minute amounts of complex fluids is a challenge. Magnetic Rotational Spectroscopy (MRS) with submicron probes offers flexibility and accuracy providing desired spatial and temporal resolution in characterization…

Materials Science · Physics 2015-03-19 Konstantin G. Kornev , Yu Gu , Pavel Aprelev , Alexander Tokarev

We describe a new type of magnetic field sensor which is termed an Electro-Mechanical Resonant Sensor (EMRS). The key part of this sensor is a small conductive elastic element with low damping rate and therefore a high Q fundamental mode of…

Instrumentation and Detectors · Physics 2014-11-18 Alexander B. Temnykh , Richard V. E. Lovelace

We demonstrate a scalable new ferromagnetic resonance (FMR) technique based on the spin-orbit interaction. An alternating current drives FMR in uniform ferromagnetic structures patterned from the dilute magnetic semiconductors (Ga,Mn)As and…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 D. Fang , H. Kurebayashi , J. Wunderlich , K. Vyborny , L. P. Zarbo , R. P. Campion , A. Casiraghi , B. L. Gallagher , T. Jungwirth , A. J. Ferguson

We provide an overview of the methodology and fundamental principles associated with newly developed experimental technique -- scanning quantum-vortex microscopy [Hovhannisyan et al., Commun. Mater., vol. 6, 42 (2025)]. This approach…

Quantum metrology experiments in atomic physics and quantum optics have demonstrated measurement accuracy beyond the shot-noise limit via multi-particle entanglement. At the same time, electron microscopy, an essential tool for…

We discuss the potential of a next generation space-borne CMB experiment for studies of extragalactic sources with reference to COrE+, a project submitted to ESA in response to the M4 call. We consider three possible options for the…

We consider experimental signatures of the standard model's minimal supersymmetric extension with a continuous $U(1)_R$ symmetry (MR model). We focus on the ability of existing and planned electron-positron colliders to probe this model and…

High Energy Physics - Phenomenology · Physics 2009-10-22 Nuria Rius , Elizabeth H. Simmons

We review how a magnetic resonance force microscope (MRFM) can be applied to perform ferromagnetic resonance (FMR) spectroscopy of \emph{individual} sub-micron size samples. We restrict our attention to a thorough study of the spin-wave…

The work describes the capabilities of Laser Scanning Microscopy (LSM) as a spatially resolved method of testing high_Tc materials and devices. The earlier results obtained by the authors are briefly reviewed. Some novel applications of the…

Muon spin spectroscopy is one of the most powerful tools to investigate the microscopic properties of superconductors. In this manuscript, an overview on some of the main achievements obtained by this technique in the iron-based…

Superconductivity · Physics 2015-06-16 P. Carretta , R. De Renzi , G. Prando , S. Sanna

We study theoretically the magnetic screening properties of thin, diffusive superconductor/ferromagnet bilayers subject to a perpendicular magnetic field. We find that the effective penetration depth characterizing the magnetic response…

Superconductivity · Physics 2015-05-13 Manuel Houzet , Julia S. Meyer

The recently discovered altermagnets (AMs), hosting momentum-dependent spin splitting and vanishing net magnetization, have attracted intensive attention for their promising application in novel spintronics. However, limited by facility and…

Materials Science · Physics 2025-06-02 Jiuyu Sun , Yongping Du , Erjun Kan

The development of permanent magnets containing less or no rare-earth elements is linked to profound knowledge of the coercivity mechanism. Prerequisites for a promising permanent magnet material are a high spontaneous magnetization and a…

In this paper we discuss effective material parameter description of new nanostructures designed to perform as artificial magnetic materials for vis- ible light. Among these structures there are various split-ring resonators, dual-bar…

Optics · Physics 2015-05-18 Constantin Simovski , Sergei Tretyakov