Sensitive SQUID magnetometry for studying nano-magnetism

Abstract

The superconducting quantum interference device (SQUID) magnetometer is one of the most sensitive experimental techniques to magnetically characterize samples with high sensitivity. Here we present a detailed discussion of possible artifacts and pitfalls characteristic for commercial SQUID magnetometers. This includes intrinsic artifacts which stem from the inherent design of the magnetometer as well as potential issues due to the user. We provide some guidelines how to avoid and correct these, which is of particular importance when the proper magnetization of nano-scale objects shall be established in cases where its response is dwarfed by that of the substrate it comes with, a situation frequently found in the field of nano-magnetism.

18 pages PRB style, 13 figures (1st and 3rd wrongly reproduced, ???)

References in corpus (6)

• Ferromagnetism in semiconductors and oxides: prospects from a ten years' perspective
• Ferromagnetism as a universal feature of nanoparticles of the otherwise nonmagnetic oxides
• Sources of experimental errors in the observation of nanoscale magnetism
• Paramagnetic GaN:Fe and ferromagnetic (Ga,Fe)N - relation between structural, electronic, and magnetic properties
• Structural and paramagnetic properties of dilute Ga1-xMnxN
• Giant magnetic anisotropy at nanoscale: overcoming the superparamagnetic limit

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