Fundamental studies of superconductors using scanning magnetic imaging
J.R. Kirtley
TL;DR
This review explores how scanning magnetic imaging techniques like SQUID, Hall bar, and MFM are used to study superconductors, highlighting their capabilities, limitations, and potential future improvements.
Contribution
It provides a comprehensive overview of the application of three key scanning magnetic microscopies in fundamental superconductor research, including their characteristics and recent applications.
Findings
Each technique's sensitivity and resolution are discussed.
Applications demonstrate insights into superconductor properties.
Potential future developments are outlined.
Abstract
In this review I discuss the application of scanning magnetic imaging to fundamental studies of superconductors, concentrating on three scanning magnetic microscopies - scanning SQUID microscopy (SSM), scanning Hall bar microscopy (SHM), and magnetic force microscopy (MFM). I briefly discuss the history, sensitivity, spatial resolution, invasiveness, and potential future developments of each technique. I then discuss a selection of applications of these microscopies.
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