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Title: Local X-ray magnetic circular dichroism study of Fe/Cu(111) using a tunneling smart tip

Abstract

Localized spectroscopy with simultaneous topographic, elemental and magnetic information is presented. A synchrotron X-ray scanning tunneling microscope has been employed for the local study of the X-ray magnetic circular dichroism at the FeL2,3-edges of a thin iron film grown on Cu(111). Polarization-dependent X-ray absorption spectra have been obtained through a tunneling smart tip that serves as a photoelectron detector. In contrast to conventional spin-polarized scanning tunneling microscopy, X-ray excitations provide magnetic contrast even with a non-magnetic tip. Intensity variations in the photoexcited tip current point to chemical variations within a single magnetic Fe domain.

Authors:
 [1];  [2];  [2];  [3];  [4];  [1];  [1];  [2];  [3];  [5]
  1. Argonne National Lab. (ANL), Argonne, IL (United States). Center for Nanoscale Materials
  2. Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
  3. Argonne National Lab. (ANL), Argonne, IL (United States). Center for Nanoscale Materials; Ohio Univ., Athens, OH (United States)
  4. Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS); Ohio Univ., Athens, OH (United States)
  5. Argonne National Lab. (ANL), Argonne, IL (United States). Center for Nanoscale Materials; Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1245212
Grant/Contract Number:  
AC02-06CH11357; SC70705; FG02-02ER46012
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Synchrotron Radiation (Online)
Additional Journal Information:
Journal Name: Journal of Synchrotron Radiation (Online); Journal Volume: 23; Journal Issue: 2; Journal ID: ISSN 1600-5775
Publisher:
International Union of Crystallography
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; synchrotron X-ray scanning tunneling microscopy; smart tip; XMCD; chemical contrast

Citation Formats

DiLullo, Andrew, Shirato, Nozomi, Cummings, Marvin, Kersell, Heath, Chang, Hao, Rosenmann, Daniel, Miller, Dean, Freeland, John W., Hla, Saw -Wai, and Rose, Volker. Local X-ray magnetic circular dichroism study of Fe/Cu(111) using a tunneling smart tip. United States: N. p., 2016. Web. https://doi.org/10.1107/S1600577515023383.
DiLullo, Andrew, Shirato, Nozomi, Cummings, Marvin, Kersell, Heath, Chang, Hao, Rosenmann, Daniel, Miller, Dean, Freeland, John W., Hla, Saw -Wai, & Rose, Volker. Local X-ray magnetic circular dichroism study of Fe/Cu(111) using a tunneling smart tip. United States. https://doi.org/10.1107/S1600577515023383
DiLullo, Andrew, Shirato, Nozomi, Cummings, Marvin, Kersell, Heath, Chang, Hao, Rosenmann, Daniel, Miller, Dean, Freeland, John W., Hla, Saw -Wai, and Rose, Volker. Thu . "Local X-ray magnetic circular dichroism study of Fe/Cu(111) using a tunneling smart tip". United States. https://doi.org/10.1107/S1600577515023383. https://www.osti.gov/servlets/purl/1245212.
@article{osti_1245212,
title = {Local X-ray magnetic circular dichroism study of Fe/Cu(111) using a tunneling smart tip},
author = {DiLullo, Andrew and Shirato, Nozomi and Cummings, Marvin and Kersell, Heath and Chang, Hao and Rosenmann, Daniel and Miller, Dean and Freeland, John W. and Hla, Saw -Wai and Rose, Volker},
abstractNote = {Localized spectroscopy with simultaneous topographic, elemental and magnetic information is presented. A synchrotron X-ray scanning tunneling microscope has been employed for the local study of the X-ray magnetic circular dichroism at the FeL2,3-edges of a thin iron film grown on Cu(111). Polarization-dependent X-ray absorption spectra have been obtained through a tunneling smart tip that serves as a photoelectron detector. In contrast to conventional spin-polarized scanning tunneling microscopy, X-ray excitations provide magnetic contrast even with a non-magnetic tip. Intensity variations in the photoexcited tip current point to chemical variations within a single magnetic Fe domain.},
doi = {10.1107/S1600577515023383},
journal = {Journal of Synchrotron Radiation (Online)},
number = 2,
volume = 23,
place = {United States},
year = {2016},
month = {1}
}

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Free Publicly Available Full Text
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Cited by: 2 works
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    Works referencing / citing this record:

    X-ray Assisted Scanning Tunneling Microscopy and Its Applications for Materials Science: The First Results on Cu Doped ZrTe3
    journal, November 2019