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Title: Depth-resolved resonant inelastic x-ray scattering at a superconductor/half-metallic-ferromagnet interface through standing wave excitation

Abstract

We demonstrate that combining standing wave (SW) excitation with resonant inelastic x-ray scattering (RIXS) can lead to depth resolution and interface sensitivity for studying orbital and magnetic excitations in correlated oxide heterostructures. SW-RIXS has been applied to multilayer heterostructures consisting of a superconductor La1.85Sr0.15CuO4 (LSCO) and a half-metallic ferromagnet La0.67Sr0.33MnO3 (LSMO). Easily observable SW effects on the RIXS excitations were found in these LSCO/LSMO multilayers. In addition, we observe different depth distribution of the RIXS excitations. Here, the magnetic excitations are found to arise from the LSCO/LSMO interfaces, and there is also a suggestion that one of the dd excitations comes from the interfaces. SW-RIXS measurements of correlated-oxide and other multilayer heterostructures should provide unique layer-resolved insights concerning their orbital and magnetic excitations, as well as a challenge for RIXS theory to specifically deal with interface effects.

Authors:
 [1];  [1];  [2];  [3];  [4];  [5];  [6];  [1];  [7];  [7];  [8];  [8];  [8];  [9];  [10];  [11];  [12];  [5];  [6];  [2] more »;  [1] « less
  1. Univ. of California, Davis, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  2. CNR-SPIN and Dipartimento di Fisica Politecnico di Milano, Milano (Italy)
  3. CNR-SPIN and Dipartimento di Fisica Politecnico di Milano, Milano (Italy); Univ. of Illinois, Urbana, IL (United States)
  4. Univ. di Monte Sant'Angelo, via Cinthia, Napoli (Italy)
  5. Univ. di Roma Tor Vergata, Roma (Italy)
  6. European Synchrotron Radiation Facility, Grenoble Cedex (France)
  7. Univ. of Twente, Enschede (The Netherlands)
  8. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  9. Stanford Univ., Stanford, CA (United States)
  10. Univ. of Twente, Enschede (The Netherlands); Univ. of Antwerp, Antwerp (Belgium)
  11. Univ. of Antwerp, Antwerp (Belgium)
  12. Univ. of California, Davis, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Peter Grünberg Inst. PGI-6, Julich (Germany)
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1563990
Alternate Identifier(s):
OSTI ID: 1488681
Grant/Contract Number:  
AC02-05CH11231; SC0014697
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 98; Journal Issue: 23; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Kuo, Cheng-Tai, Lin, Shih-Chieh, Ghiringhelli, Giacomo, Peng, Yingying, De Luca, Gabriella Maria, Di Castro, Daniele, Betto, Davide, Gehlmann, Mathias, Wijnands, Tom, Huijben, Mark, Meyer-Ilse, Julia, Gullikson, Eric, Kortright, Jeffrey B., Vailionis, Arturas, Gauquelin, Nicolas, Verbeeck, Johan, Gerber, Timm, Balestrino, Giuseppe, Brookes, Nicholas B., Braicovich, Lucio, and Fadley, Charles S. Depth-resolved resonant inelastic x-ray scattering at a superconductor/half-metallic-ferromagnet interface through standing wave excitation. United States: N. p., 2018. Web. https://doi.org/10.1103/physrevb.98.235146.
Kuo, Cheng-Tai, Lin, Shih-Chieh, Ghiringhelli, Giacomo, Peng, Yingying, De Luca, Gabriella Maria, Di Castro, Daniele, Betto, Davide, Gehlmann, Mathias, Wijnands, Tom, Huijben, Mark, Meyer-Ilse, Julia, Gullikson, Eric, Kortright, Jeffrey B., Vailionis, Arturas, Gauquelin, Nicolas, Verbeeck, Johan, Gerber, Timm, Balestrino, Giuseppe, Brookes, Nicholas B., Braicovich, Lucio, & Fadley, Charles S. Depth-resolved resonant inelastic x-ray scattering at a superconductor/half-metallic-ferromagnet interface through standing wave excitation. United States. https://doi.org/10.1103/physrevb.98.235146
Kuo, Cheng-Tai, Lin, Shih-Chieh, Ghiringhelli, Giacomo, Peng, Yingying, De Luca, Gabriella Maria, Di Castro, Daniele, Betto, Davide, Gehlmann, Mathias, Wijnands, Tom, Huijben, Mark, Meyer-Ilse, Julia, Gullikson, Eric, Kortright, Jeffrey B., Vailionis, Arturas, Gauquelin, Nicolas, Verbeeck, Johan, Gerber, Timm, Balestrino, Giuseppe, Brookes, Nicholas B., Braicovich, Lucio, and Fadley, Charles S. Fri . "Depth-resolved resonant inelastic x-ray scattering at a superconductor/half-metallic-ferromagnet interface through standing wave excitation". United States. https://doi.org/10.1103/physrevb.98.235146. https://www.osti.gov/servlets/purl/1563990.
@article{osti_1563990,
title = {Depth-resolved resonant inelastic x-ray scattering at a superconductor/half-metallic-ferromagnet interface through standing wave excitation},
author = {Kuo, Cheng-Tai and Lin, Shih-Chieh and Ghiringhelli, Giacomo and Peng, Yingying and De Luca, Gabriella Maria and Di Castro, Daniele and Betto, Davide and Gehlmann, Mathias and Wijnands, Tom and Huijben, Mark and Meyer-Ilse, Julia and Gullikson, Eric and Kortright, Jeffrey B. and Vailionis, Arturas and Gauquelin, Nicolas and Verbeeck, Johan and Gerber, Timm and Balestrino, Giuseppe and Brookes, Nicholas B. and Braicovich, Lucio and Fadley, Charles S.},
abstractNote = {We demonstrate that combining standing wave (SW) excitation with resonant inelastic x-ray scattering (RIXS) can lead to depth resolution and interface sensitivity for studying orbital and magnetic excitations in correlated oxide heterostructures. SW-RIXS has been applied to multilayer heterostructures consisting of a superconductor La1.85Sr0.15CuO4 (LSCO) and a half-metallic ferromagnet La0.67Sr0.33MnO3 (LSMO). Easily observable SW effects on the RIXS excitations were found in these LSCO/LSMO multilayers. In addition, we observe different depth distribution of the RIXS excitations. Here, the magnetic excitations are found to arise from the LSCO/LSMO interfaces, and there is also a suggestion that one of the dd excitations comes from the interfaces. SW-RIXS measurements of correlated-oxide and other multilayer heterostructures should provide unique layer-resolved insights concerning their orbital and magnetic excitations, as well as a challenge for RIXS theory to specifically deal with interface effects.},
doi = {10.1103/physrevb.98.235146},
journal = {Physical Review B},
number = 23,
volume = 98,
place = {United States},
year = {2018},
month = {12}
}

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