Abstract
X-ray absorption magnetic circular dichroism (XMCD) at the U N 4,5 edges was measured for the ferromagnetic superconductor UGe 2 in the normal state. The orbital and spin magneic moments deduced from the sum rule analysis of the XMCD data indicate that the U atom in UGe 2 is considered to be closer to the trivalent state rather than the tetravalent state. The temperature dependence of the XMCD signal does not show any significant anomaly at T* ∼ 30 K, where the resistivity anomaly was observed at ambient pressure. The XMCD measurement at the U N 2,3 edge indicates that the U 6d electrons have negligibly small magnetic contributions.
| Original language | English |
|---|---|
| Article number | 024704 |
| Journal | Journal of the Physical Society of Japan |
| Volume | 75 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - Feb 2006 |
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Keywords
- Ferromagnetism
- Magnetic circular dichroism
- Superconductivity
- Uranium compounds
- X-ray absorption
ASJC Scopus subject areas
- Physics and Astronomy(all)
Cite this
Soft X-ray absorption magnetic circular dichroism study of ferromagnetic superconductor UGe 2 . / Okane, Tetsuo; Okamoto, Jun; Mamiya, Kazutoshi; Fujimori, Shin Ichi; Takeda, Yukiharu; Saitoh, Yuji; Muramatsu, Yasuji; Fujimori, Atsushi; Haga, Yoshinori; Yamamoto, Etsuji; Tanaka, Arata; Honma, Tetsuo; Inada, Yoshihiko; Onuki, Yoshichika.
In: Journal of the Physical Society of Japan, Vol. 75, No. 2, 024704, 02.2006.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Soft X-ray absorption magnetic circular dichroism study of ferromagnetic superconductor UGe 2
AU - Okane, Tetsuo
AU - Okamoto, Jun
AU - Mamiya, Kazutoshi
AU - Fujimori, Shin Ichi
AU - Takeda, Yukiharu
AU - Saitoh, Yuji
AU - Muramatsu, Yasuji
AU - Fujimori, Atsushi
AU - Haga, Yoshinori
AU - Yamamoto, Etsuji
AU - Tanaka, Arata
AU - Honma, Tetsuo
AU - Inada, Yoshihiko
AU - Onuki, Yoshichika
PY - 2006/2
Y1 - 2006/2
N2 - X-ray absorption magnetic circular dichroism (XMCD) at the U N 4,5 edges was measured for the ferromagnetic superconductor UGe 2 in the normal state. The orbital and spin magneic moments deduced from the sum rule analysis of the XMCD data indicate that the U atom in UGe 2 is considered to be closer to the trivalent state rather than the tetravalent state. The temperature dependence of the XMCD signal does not show any significant anomaly at T* ∼ 30 K, where the resistivity anomaly was observed at ambient pressure. The XMCD measurement at the U N 2,3 edge indicates that the U 6d electrons have negligibly small magnetic contributions.
AB - X-ray absorption magnetic circular dichroism (XMCD) at the U N 4,5 edges was measured for the ferromagnetic superconductor UGe 2 in the normal state. The orbital and spin magneic moments deduced from the sum rule analysis of the XMCD data indicate that the U atom in UGe 2 is considered to be closer to the trivalent state rather than the tetravalent state. The temperature dependence of the XMCD signal does not show any significant anomaly at T* ∼ 30 K, where the resistivity anomaly was observed at ambient pressure. The XMCD measurement at the U N 2,3 edge indicates that the U 6d electrons have negligibly small magnetic contributions.
KW - Ferromagnetism
KW - Magnetic circular dichroism
KW - Superconductivity
KW - Uranium compounds
KW - X-ray absorption
UR - http://www.scopus.com/inward/record.url?scp=84858537037&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84858537037&partnerID=8YFLogxK
U2 - 10.1143/JPSJ.75.024704
DO - 10.1143/JPSJ.75.024704
M3 - Article
AN - SCOPUS:84858537037
VL - 75
JO - Journal of the Physical Society of Japan
JF - Journal of the Physical Society of Japan
SN - 0031-9015
IS - 2
M1 - 024704
ER -