We report ultrahigh-resolution spin-resolved hard X-ray photoemission (HAXPES) for a buried FeNi alloy film. By utilizing the forward Mott scattering in a Au layer on FeNi, our spin-resolved HAXPES method does not require a standard spin detector and allows us to use the multi-channel electron detection system for the high-efficient electron detection as used in conventional photoemission spectroscopy. A combination of the forward Mott scattering and multi-channel detection leads us to measure a clear spin polarization as well as spin-resolved majority and minority states in the Fe 2p core-level spectra without using the standard spin detector. This method enables us to measure spin-resolved core-level spectra for buried ferromagnetic materials.
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31 March 2014
Research Article|
April 01 2014
Detection of spin-resolved electronic structures from a buried ferromagnetic layer utilizing forward Mott scattering
S. Ueda;
S. Ueda
1
Synchrotron X-ray Station at SPring-8, National Institute for Materials Science
, Sayo, Hyogo 679-5148, Japan
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M. Mizuguchi;
M. Mizuguchi
2
Institute for Materials Research, Tohoku University
, Aoba-ku, Sendai 980-8577, Japan
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T. Kojima;
T. Kojima
2
Institute for Materials Research, Tohoku University
, Aoba-ku, Sendai 980-8577, Japan
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S. Ishimaru;
S. Ishimaru
3
SPring-8 Service Co. Ltd.
, Tatsuno, Hyogo 679-5165, Japan
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M. Tsujikawa;
M. Tsujikawa
4
Center for Spintronics Integrated Systems (CSIS), Tohoku University
, Aoba-ku, Sendai 980-8577, Japan
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M. Shirai;
M. Shirai
4
Center for Spintronics Integrated Systems (CSIS), Tohoku University
, Aoba-ku, Sendai 980-8577, Japan
5
Research Institute of Electrical Communication (RIEC), Tohoku University
, Aoba-ku, Sendai 980-8577, Japan
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K. Takanashi
K. Takanashi
2
Institute for Materials Research, Tohoku University
, Aoba-ku, Sendai 980-8577, Japan
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Appl. Phys. Lett. 104, 132402 (2014)
Article history
Received:
January 16 2014
Accepted:
February 27 2014
Citation
S. Ueda, M. Mizuguchi, T. Kojima, S. Ishimaru, M. Tsujikawa, M. Shirai, K. Takanashi; Detection of spin-resolved electronic structures from a buried ferromagnetic layer utilizing forward Mott scattering. Appl. Phys. Lett. 31 March 2014; 104 (13): 132402. https://doi.org/10.1063/1.4868248
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