Malvestuto, Marco, Caretta, Antonio, Casarin, Barbara, Ciprian, Roberta, Dell'Angela, Martina ORCID: 0000-0003-1228-2458, Laterza, Simone, Chuang, Yi-De, Wurth, Wilfried, Revcolevschi, Alexandre, Wray, L. Andrew and Parmigiani, Fulvio (2019). Direct observation of spin-orbit-induced 3d hybridization via resonant inelastic extreme ultraviolet scattering on an edge-sharing cuprate. Phys. Rev. B, 99 (11). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

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Abstract

Using high resolution resonant inelastic x-ray scattering measurements, we have observed that the orbital excitations of the quasi-1D spin chain compound CuGeO3 has nontrivial and noticeable orbital mixing effects from 3d valence spin-orbit coupling. In particular, the SOC leads to a significant correction of d(z2) state, which has a direct interplay with the low energy physics of cuprates. Guided by atomic multiplet based modeling, our results strongly support a 3d spin-orbit mixing scenario and explore in detail the nature of these excitations.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Malvestuto, MarcoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Caretta, AntonioUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Casarin, BarbaraUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ciprian, RobertaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Dell'Angela, MartinaUNSPECIFIEDorcid.org/0000-0003-1228-2458UNSPECIFIED
Laterza, SimoneUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Chuang, Yi-DeUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wurth, WilfriedUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Revcolevschi, AlexandreUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wray, L. AndrewUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Parmigiani, FulvioUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-153695
DOI: 10.1103/PhysRevB.99.115120
Journal or Publication Title: Phys. Rev. B
Volume: 99
Number: 11
Date: 2019
Publisher: AMER PHYSICAL SOC
Place of Publication: COLLEGE PK
ISSN: 2469-9969
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
EXCITATIONS; SPECTRA; PHYSICSMultiple languages
Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed MatterMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/15369

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