TY - JOUR
T1 - Mn L2,3-edge EXAFS and Magnetic EXAFS Studies on the Halfmetallic Ferromagnet Co2MnSi
AU - Kogo, Junya
AU - Fujiwara, Hidenori
AU - Sekiyama, Akira
AU - Saitoh, Yuji
AU - Umetsu, Rie Y.
AU - Niki, Kaori
N1 - Funding Information:
Acknowledgments The authors are grateful to T. Konishi and K. Joshita for the fruitful discussion. We also thank A. Koide for critical reading of the manuscript and constructive comments. This work is financially supported by Grant-in-Aid for Scientific Research (JP18K03512, JP20K20900, and JP20K05643) from the Ministry of Education, Culture, Sports, Science and Technology, Japan. The measurements were performed under the approval of BL23SU at SPring-8 [Proposals No. 2016A3832 (JPMXP09A16AE0012)]. We thank K. Nagai, S. Fujioka, and Y. Takeda for supporting the measurements.
Funding Information:
The authors are grateful to T. Konishi and K. Joshita for the fruitful discussion. We also thank A. Koide for critical reading of the manuscript and constructive comments. This work is financially supported by Grant-in-Aid for Scientific Research (JP18K03512, JP20K20900, and JP20K05643) from the Ministry of Education, Culture, Sports, Science and Technology, Japan. The measurements were performed under the approval of BL23SU at SPring-8 [Proposals No. 2016A3832 (JPMXP09A16AE0012)]. We thank K. Nagai, S. Fujioka, and Y. Takeda for supporting the measurements.
Publisher Copyright:
© 2022 The Physical Society of Japan
PY - 2022/3/15
Y1 - 2022/3/15
N2 - We report the magnetic circular dichroism in the extended x-ray absorption fine structure (EXAFS) in a prototypical halfmetallic ferromagnet Co2MnSi. The EXAFS oscillations at the Mn L2,3 edges are analyzed to obtain parameters used in the analysis of the magnetic EXAFS (MEXAFS). Theoretical calculations of MEXAFS spectra in Co2MnSi show that the linear-path scatterings have larger contributions than the multiple triangular-path scatterings. Furthermore, the period of the oscillations in the MEXAFS spectra is shorter than that in the EXAFS spectra indicating that the far site contributions from the second to the fourth nearest neighbor Co and the third nearest Si atoms can strongly influence the MEXAFS oscillations, while the Mn atoms, despite the large magnetic moment, can have little contributions due to the interference of the spin components.
AB - We report the magnetic circular dichroism in the extended x-ray absorption fine structure (EXAFS) in a prototypical halfmetallic ferromagnet Co2MnSi. The EXAFS oscillations at the Mn L2,3 edges are analyzed to obtain parameters used in the analysis of the magnetic EXAFS (MEXAFS). Theoretical calculations of MEXAFS spectra in Co2MnSi show that the linear-path scatterings have larger contributions than the multiple triangular-path scatterings. Furthermore, the period of the oscillations in the MEXAFS spectra is shorter than that in the EXAFS spectra indicating that the far site contributions from the second to the fourth nearest neighbor Co and the third nearest Si atoms can strongly influence the MEXAFS oscillations, while the Mn atoms, despite the large magnetic moment, can have little contributions due to the interference of the spin components.
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U2 - 10.7566/JPSJ.91.034702
DO - 10.7566/JPSJ.91.034702
M3 - Article
AN - SCOPUS:85124620905
SN - 0031-9015
VL - 91
JO - Journal of the Physical Society of Japan
JF - Journal of the Physical Society of Japan
IS - 3
M1 - 034702
ER -