X-ray magnetic circular dichroism study of metamagnetic behaviour in the heavy-fermion system CeRu2Si2

T. Honma; N. Kawamura; M. Suzuki; M. Mizumaki; H. Maruyama; N. Ishimatsu; Y. Inada; Y. Onuki

doi:10.1088/0953-8984/15/28/345

X-ray magnetic circular dichroism study of metamagnetic behaviour in the heavy-fermion system CeRu₂Si₂

T. Honma, N. Kawamura, M. Suzuki, M. Mizumaki, H. Maruyama, N. Ishimatsu, Y. Inada, Y. Onuki

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Ce unoccupied 5d electronic states of the nonmagnetic heavy-fermion compound CeRu₂Si₂ have been investigated by means of x-ray magnetic circular dichroism (XMCD) experiments. We measure the magnetic field dependences of the Ce L_2,3-edge XMCD of a powder sample with a transmission mode at about 2 K. The magnetic field dependence of the L₂-edge x-ray absorption spectrum shows a slight enhancement of the white line with metamagnetic behaviour, indicating reduction of the c-f hybridization. The L₂ XMCD spectrum shows a single positive lobe, while the L₃ XMCD spectrum consists of a main negative peak and two small negative satellite peaks. The main structure of CeRu₂Si₂ is similar to that of CeRu₂Ge₂.

Original language	English
Pages (from-to)	S2171-S2174
Journal	Journal of Physics Condensed Matter
Volume	15
Issue number	28
DOIs	https://doi.org/10.1088/0953-8984/15/28/345
Publication status	Published - Jul 23 2003
Externally published	Yes

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics

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title = "X-ray magnetic circular dichroism study of metamagnetic behaviour in the heavy-fermion system CeRu2Si2",

abstract = "Ce unoccupied 5d electronic states of the nonmagnetic heavy-fermion compound CeRu2Si2 have been investigated by means of x-ray magnetic circular dichroism (XMCD) experiments. We measure the magnetic field dependences of the Ce L2,3-edge XMCD of a powder sample with a transmission mode at about 2 K. The magnetic field dependence of the L2-edge x-ray absorption spectrum shows a slight enhancement of the white line with metamagnetic behaviour, indicating reduction of the c-f hybridization. The L2 XMCD spectrum shows a single positive lobe, while the L3 XMCD spectrum consists of a main negative peak and two small negative satellite peaks. The main structure of CeRu2Si2 is similar to that of CeRu2Ge2.",

author = "T. Honma and N. Kawamura and M. Suzuki and M. Mizumaki and H. Maruyama and N. Ishimatsu and Y. Inada and Y. Onuki",

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T1 - X-ray magnetic circular dichroism study of metamagnetic behaviour in the heavy-fermion system CeRu2Si2

AU - Honma, T.

AU - Kawamura, N.

AU - Suzuki, M.

AU - Mizumaki, M.

AU - Maruyama, H.

AU - Ishimatsu, N.

AU - Inada, Y.

AU - Onuki, Y.

PY - 2003/7/23

Y1 - 2003/7/23

N2 - Ce unoccupied 5d electronic states of the nonmagnetic heavy-fermion compound CeRu2Si2 have been investigated by means of x-ray magnetic circular dichroism (XMCD) experiments. We measure the magnetic field dependences of the Ce L2,3-edge XMCD of a powder sample with a transmission mode at about 2 K. The magnetic field dependence of the L2-edge x-ray absorption spectrum shows a slight enhancement of the white line with metamagnetic behaviour, indicating reduction of the c-f hybridization. The L2 XMCD spectrum shows a single positive lobe, while the L3 XMCD spectrum consists of a main negative peak and two small negative satellite peaks. The main structure of CeRu2Si2 is similar to that of CeRu2Ge2.

AB - Ce unoccupied 5d electronic states of the nonmagnetic heavy-fermion compound CeRu2Si2 have been investigated by means of x-ray magnetic circular dichroism (XMCD) experiments. We measure the magnetic field dependences of the Ce L2,3-edge XMCD of a powder sample with a transmission mode at about 2 K. The magnetic field dependence of the L2-edge x-ray absorption spectrum shows a slight enhancement of the white line with metamagnetic behaviour, indicating reduction of the c-f hybridization. The L2 XMCD spectrum shows a single positive lobe, while the L3 XMCD spectrum consists of a main negative peak and two small negative satellite peaks. The main structure of CeRu2Si2 is similar to that of CeRu2Ge2.

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