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Spectroscopic Evidence for Superexchange in the Ferrimagnetic Spinel FeCr2S4
Chiuzbaian, Sorin G.1,2; Brignolo, Stefania1,2; Hague, Coryn F.1,2; Delaunay, Renaud1,2; Guarise, Marco1,6; Nicolaou, Alessandro2; Yang, Zhaorong3; Zhou, Haidong4,5; Mariot, Jean-Michel1,2
2017-10-12
发表期刊JOURNAL OF PHYSICAL CHEMISTRY C
卷号121期号:40页码:22369-22376
摘要Low-energy orbital excitations in spinel FeCr2S4 have been studied element specifically at both Fe and Cr 2p-3d resonances by resonant inelastic X-ray scattering (RIXS). As a first step X-ray absorption spectroscopy measurements confirmed that iron, located at the tetrahedral (T-d) sites of the spinel structure, is in a Fe2+ (d(6)) state and chromium, located at the octahedral (O-h) sites, is in a Cr3+ (d(3)) state. We have identified RIXS spectral features with the help of crystal-field simulations that account consistently for on-site dd excitations and provide 10Dq = 0.30 +/- 0.05 eV for Fe T-d sites and 10Dq = 1.60 +/- 0.05 eV for Cr Oh sites. The giant magneto-optical Kerr effect previously observed for photons with 0.3 eV can be unambiguously attributed to the lowest possible dd excitations on the iron site Fe(e(3)t(2)(3)) -> Fe(e(2)t(2)(4)). A 1.6 eV energy-loss feature, measured in the Fe 2p-3d RDCS spectra, is found to be a two-site orbital excitation directly related to superexchange (SE) interaction between Fe and Cr cations. It opens new perspectives for applying RIXS to study SE in a broad range of 3d transition metal compounds.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
资助者Agence Nationale de la Recherche (ANR)(ANR-05-NANO-074) ; LabEx MiChem(ANR-11-IDEX-0004-02) ; Synchrotron SOLEIL ; UPMC ; NSF-DMR(DMR-1350002) ; Agence Nationale de la Recherche (ANR)(ANR-05-NANO-074) ; LabEx MiChem(ANR-11-IDEX-0004-02) ; Synchrotron SOLEIL ; UPMC ; NSF-DMR(DMR-1350002)
DOI10.1021/acs.jpcc.7b07471
关键词[WOS]X-RAY-SCATTERING ; METAL-ORGANIC FRAMEWORKS ; CHALCOGENIDE SPINELS ; EXCITATIONS ; MAGNETORESISTANCE ; ABSORPTION ; COMPLEXES ; SYMMETRY ; SPECTRA ; NIO
收录类别SCI
语种英语
资助者Agence Nationale de la Recherche (ANR)(ANR-05-NANO-074) ; LabEx MiChem(ANR-11-IDEX-0004-02) ; Synchrotron SOLEIL ; UPMC ; NSF-DMR(DMR-1350002) ; Agence Nationale de la Recherche (ANR)(ANR-05-NANO-074) ; LabEx MiChem(ANR-11-IDEX-0004-02) ; Synchrotron SOLEIL ; UPMC ; NSF-DMR(DMR-1350002)
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science
WOS类目Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS记录号WOS:000413131700065
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.hfcas.ac.cn:8080/handle/334002/33817
专题中科院强磁场科学中心
作者单位1.UPMC Univ Paris 06, Sorbonne Univ, CNRS, Lab Chim Phys Mat & Rayonnement,UMR 7614, 4 Pl Jussieu, F-75252 Paris 05, France
2.Synchrotron SOLEIL, LOrme Merisiers, B.P. 48, F-91192 Gif Sur Yvette, France
3.Chinese Acad Sci, High Field Magnet Lab, Hefei 230031, Peoples R China
4.Univ Tennessee, Dept Phys & Astron, Expt Condensed Matter Phys, 407A Nielsen Phys Bldg, Knoxville, TN 37996 USA
5.Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32310 USA
6.Lab Nacl Luz Sincrotron, BR-10000 Campinas, SP, Brazil
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Chiuzbaian, Sorin G.,Brignolo, Stefania,Hague, Coryn F.,et al. Spectroscopic Evidence for Superexchange in the Ferrimagnetic Spinel FeCr2S4[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2017,121(40):22369-22376.
APA Chiuzbaian, Sorin G..,Brignolo, Stefania.,Hague, Coryn F..,Delaunay, Renaud.,Guarise, Marco.,...&Mariot, Jean-Michel.(2017).Spectroscopic Evidence for Superexchange in the Ferrimagnetic Spinel FeCr2S4.JOURNAL OF PHYSICAL CHEMISTRY C,121(40),22369-22376.
MLA Chiuzbaian, Sorin G.,et al."Spectroscopic Evidence for Superexchange in the Ferrimagnetic Spinel FeCr2S4".JOURNAL OF PHYSICAL CHEMISTRY C 121.40(2017):22369-22376.
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