Recording of single-particle hysteresis loops with differential phase contrast microscopy

Uhlig, Thomas and Zweck, Josef (2004) Recording of single-particle hysteresis loops with differential phase contrast microscopy. ULTRAMICROSCOPY, 99 (2-3). pp. 137-142. ISSN 0304-3991,

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Abstract

The magnetic behaviour of laterally patterned structures on a micrometer or nanometer scale in external magnetic fields can be described by their hysteresis loops. However, it is very difficult to record the hysteresis loop of a single (sub-) micron-sized particle. Furthermore, extensive calculations are necessary in order to interpret the shape of the loop and to conclude the micromagnetic domain configuration in the sample from the hysteresis loop only. We have developed a technique which yields both the hysteresis loop and the magnetic domain structure simultaneously. This method uses differential phase contrast microscopy and a microscope with remote control capability for the automatic recording of a single-particle hysteresis loop. (C) 2003 Elsevier B.V. All rights reserved.

Item Type: Article
Uncontrolled Keywords: BEHAVIOR; ELEMENTS; Lorentz microscopy; differential phase contrast; hysteresis loop; magnetic domains
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Experimental and Applied Physics > Chair Professor Back > Group Josef Zweck
Depositing User: Dr. Gernot Deinzer
Date Deposited: 21 Jul 2021 07:19
Last Modified: 21 Jul 2021 07:19
URI: https://pred.uni-regensburg.de/id/eprint/37730

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