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Magnetic force microscopy (MFM) allows detection of stray magnetic fields around magnetic materials and the two-dimensional visualization of these fields. This paper presents a theoretical analysis of the oscillations of an MFM tip above a…

Applied Physics · Physics 2018-12-31 Fujio Wakaya , Kenta Oosawa , Masahiro Kajiwara , Satoshi Abo , Mikio Takai

The tomographic imaging method magnetic particle imaging (MPI) requires a multi-patch approach for capturing large field of views. This approach consists of a continuous or stepwise spatial shift of a small sub-volume of only few cubic…

Medical Physics · Physics 2022-05-03 Marija Boberg , Tobias Knopp , Patryk Szwargulski , Martin Möddel

Magnetic particle imaging (MPI) is a tomographic method to determine the spatio-temporal distribution of magnetic nanoparticles. In this document, a file format for the standardized storage of MPI and magnetic particle spectroscopy (MPS)…

We introduce a wide-field magneto-optical microscope to probe magnetization dynamics with femtosecond temporal and sub-micrometer spatial resolution. We carefully calibrate the non-linear dependency between the magnetization of the sample…

The ability to form images through hair-thin optical fibres promises to open up new applications from biomedical imaging to industrial inspection. Unfortunately, deployment has been limited because small changes in mechanical deformation…

A new method is introduced for calibrating lateral force as measured by an atomic force microscope (AFM), making use of both an interferometric detector and an optical beam detector on the same instrument. The method may be implemented…

Mesoscale and Nanoscale Physics · Physics 2025-03-25 Joel Lefever , Aleksander Labuda , Roger Proksch

We present an alternative switching-magnetization magnetic force microscopy (SM- MFM) method using planar tip-on-chip probes. Unlike traditional needle-like tips, the planar probe approach integrates a microdevice near the tip apex with…

For filter-based magnetographs, the linear calibration method under the weak-field assumption is usually adopted; this leads to magnetic saturation effect in the regions with strong magnetic field. This article explores a new method to…

Instrumentation and Methods for Astrophysics · Physics 2020-02-07 JingJing Guo , XianYong Bai , YuanYong Deng , Hui Liu , JiaBen Lin , JiangTao Su , Xiao Yang , KaiFan Ji

Forces acting between an Atomic Force Microscope (AFM) tip and sample are three dimensional. Despite this, most AFM force measurements are confined to one or two dimensions. Extending AFM force measurements into three dimensions has…

Mesoscale and Nanoscale Physics · Physics 2025-04-21 Roger Proksch , Ryan Wagner

We report mechanical detection of ferromagnetic resonance signals from microscopic Co single layer thin films using a magnetic resonance force microscope (MRFM). Variations in the magnetic anisotropy field and the inhomogeneity of were…

Materials Science · Physics 2009-10-31 Z. Zhang , P. C. Hammel , M. Midzor , M. L. Roukes , J. R. Childress

In this work, we explored theoretically the spatial resolution of magnetic solitons and the variations of their sizes when subjected to a Magnetic Force Microscopy (MFM) measurement. Next to tip-sample separation, we considered reversal in…

Mesoscale and Nanoscale Physics · Physics 2024-06-07 I. Castro , A. Riveros , J. L. Palma , L. Abelmann , R. Tomasello , D. R. Rodrigues , A. Giordano , G. Finocchio , R. Gallardo , N. Vidal-Silva

Traction Force Microscopy (TFM) is a technique used to determine the tensions that a biological cell conveys to the underlying surface. Typically, TFM requires culturing cells on gels with fluorescent beads, followed by bead displacement…

Image and Video Processing · Electrical Eng. & Systems 2019-10-17 Nicolas Pielawski , Jianjiang Hu , Staffan Strömblad , Carolina Wählby

In this paper, we try to improve the magnetogram calibration method of the Solar Magnetic Field Telescope (SMFT). The improved calibration process fits the observed full Stokes information, using six points on the profile of Fe {\i} 5324.18…

Solar and Stellar Astrophysics · Physics 2014-09-18 Xianyong Bai , Yuanyong Deng , Fei Teng , Jiangtao Su , Xinjie Mao , Guoping Wang

Quartz tuning fork-based atomic force microscopy (QTF-AFM) has become a powerful tool for high-resolution imaging of both conductive and insulating samples, including semiconductor structures and metal-coated surfaces as well as soft matter…

Mesoscale and Nanoscale Physics · Physics 2026-01-26 Hankyul Koh , Joon-Hyuk Ko , Wonho Jhe

At first sight piezoresponse force microscopy (PFM) seems an ideal technique for the determination of piezoelectric coefficients (PCs), thus making use of its ultra-high vertical resolution (<0.1 pm/V). Christman et al. \cite{Chr98} first…

Materials Science · Physics 2009-11-13 T. Jungk , A. Hoffmann. , E. Soergel

We implement magnetic resonance force microscopy (MRFM) in an experimental geometry, where the long axis of the cantilever is normal to both the external magnetic field and the RF microwire source. Measurements are made of the statistical…

Mesoscale and Nanoscale Physics · Physics 2015-03-19 Fei Xue , P. Peddibhotla , M. Montinaro , D. Weber , M. Poggio

A mixed precision Fast Fourier transform (FFT) implementation is presented. The procedure uses per-block microscaling (MX), a global power-of-two prescale, and prequantized low bit twiddles. We evaluate forward and round-trip FFT fidelity…

Signal Processing · Electrical Eng. & Systems 2026-02-18 Nikhil Deveshwar , Abhejit Rajagopal , Peder E. Z. Larson

Magnetic force microscopy (MFM) is long established as a powerful tool for probing the local manifestation of magnetic nanostructures across a range of temperatures and applied stimuli. A major drawback of the technique, however, is that…

Instrumentation and Detectors · Physics 2023-08-21 Jori F. Schmidt , Lukas M. Eng , Samuel D. Seddon

Magnetic Particle Imaging (MPI) is a highly sensitive imaging method that enables the visualization of magnetic tracer materials with a temporal resolution of more than 46 volumes per second. In MPI the size of the field of view scales with…

The Transient Fluctuation Theorem is used to calibrate an Atomic Force Microscope by measuring the fluctuations of the work performed by a time dependent force applied between a collo{\"i}dal probe and the surface. From this measure one can…

Mesoscale and Nanoscale Physics · Physics 2020-12-02 Samuel Albert , Aubin Archambault , Artyom Petrosyan , Caroline Crauste-Thibierge , Ludovic Bellon , Sergio Ciliberto