Intermetallic charge transfer in FeTiO3 probed by resonant inelastic soft x-ray scattering

被引：23

作者：

Agui, Akane ^{[1
]}

Uozumi, Takayuki ^{[2
]}

Mizumaki, Masaichiro ^{[3
]}

Kaambre, Tanel ^{[4
]}

机构：

[1] SPring 8, Japan Atom Energy Agcy, Synchrotron Radiat Res Ctr, Sayo, Hyogo 6795148, Japan

[2] Osaka Prefecture Univ, Sakai, Osaka 5998531, Japan

[3] SPring 8, Japan Synchrotron Radiat Res Inst, Sayo, Hyogo 6795198, Japan

[4] Univ Tartu, Inst Phys, EE-51014 Tartu, Estonia

来源：

PHYSICAL REVIEW B | 2009年 / 79卷 / 09期

关键词：

charge exchange; iron compounds; X-ray scattering; EMISSION-SPECTROSCOPY; SPECTRA; TRANSITIONS; TI-4+;

D O I：

10.1103/PhysRevB.79.092402

中图分类号：

T [工业技术];

学科分类号：

120111 [工业工程];

摘要：

Resonant inelastic soft x-ray inelastic-scattering (RIXS) spectra of single-crystal iron ilmenite FeTiO3 were measured at the Ti 2p resonance, and additional peaks at -2.5 and -4.5 eV in energy loss were observed. In order to investigate the origin of these peaks, we performed a double-cluster model calculation based on full-multiplet calculation in which, in addition to the interaction with the O 2p ligands of the Ti ion, which is already included in the more conventional single-cluster model, the charge-transfer contribution to Ti 3d from Fe 3d is taken into account. The calculation shows that the peaks may be attributed to the Fe 3d -> Ti 3d intermetallic charge-transfer scheme that previously had not been accounted for in RIXS.

引用

页数：4

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