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Title

Imaging magnetic responses of nanomagnets by XPEEM

AuthorsSandig, O.; Herrero-Albillos, Julia
Issue Date2012
PublisherElsevier
CitationJournal of Electron Spectroscopy and Related Phenomena 185(10): 365-370 (2012)
AbstractThe Spin-resolved Photoelectron Emission Microscope (SPEEM) is a permanently installed set-up at Helmholtz-Zentrum Berlin (HZB). Due to its specific contrast it is mainly used for magnetic imaging and micro-spectroscopy with quantitative analysis. A crucial point in magnetic imaging is the application of magnetic fields. Many experiments require observation of magnetic responses or the preparation of a certain magnetic state during the measurement. We present a dedicated magnetic sample holder combining magnetic field during imaging with additional temperature control. This set-up enables SPEEM to measure magnetization curves of individual Fe nanocubes (18 nm) 3 in size. If additionally alternating magnetic fields are applied we can image the local magnetic AC susceptibility (χAC) as a function of temperature. The latter is ideally suited to visualize local variations of the Curie temperature (TC) in nano- and microstructures. © 2012 Elsevier B.V.
URIhttp://hdl.handle.net/10261/73623
DOI10.1016/j.elspec.2012.07.005
Identifiersdoi: 10.1016/j.elspec.2012.07.005
issn: 0368-2048
Appears in Collections:(ICMA) Artículos
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