Caretta, Antonio, Dell'Angela, Martina ORCID: 0000-0003-1228-2458, Chuang, Yi-De, Kalashnikova, Alexandra M. ORCID: 0000-0001-5635-6186, Pisarev, Roman V., Bossini, Davide ORCID: 0000-0003-3537-497X, Hieke, Florian, Wurth, Wilfried, Casarin, Barbara, Ciprian, Roberta, Parmigiani, Fulvio, Wexler, Surge, Wray, L. Andrew and Malvestuto, Marco (2017). High-resolution resonant inelastic extreme ultraviolet scattering from orbital and spin excitations in a Heisenberg antiferromagnet. Phys. Rev. B, 96 (18). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

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Abstract

We report a high-resolution resonant inelastic extreme ultraviolet (EUV) scattering study of the quantum Heisenberg antiferromagnet KCoF3. By tuning the EUV photon energy to the cobalt M-23 edge, a complete set of low-energy 3d spin-orbital excitations is revealed. These low-lying electronic excitations are modeled using an extended multiplet-based mean-field calculation to identify the roles of lattice and magnetic degrees of freedom in modifying the resonant inelastic x-ray scattering (RIXS) spectral line shape. We have demonstrated that the temperature dependence of RIXS features upon the antiferromagnetic ordering transition enables us to probe the energetics of short-range spin correlations in this material.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Caretta, AntonioUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Dell'Angela, MartinaUNSPECIFIEDorcid.org/0000-0003-1228-2458UNSPECIFIED
Chuang, Yi-DeUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kalashnikova, Alexandra M.UNSPECIFIEDorcid.org/0000-0001-5635-6186UNSPECIFIED
Pisarev, Roman V.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bossini, DavideUNSPECIFIEDorcid.org/0000-0003-3537-497XUNSPECIFIED
Hieke, FlorianUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wurth, WilfriedUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Casarin, BarbaraUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ciprian, RobertaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Parmigiani, FulvioUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wexler, SurgeUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wray, L. AndrewUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Malvestuto, MarcoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-211169
DOI: 10.1103/PhysRevB.96.184420
Journal or Publication Title: Phys. Rev. B
Volume: 96
Number: 18
Date: 2017
Publisher: AMER PHYSICAL SOC
Place of Publication: COLLEGE PK
ISSN: 2469-9969
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
X-RAY-SCATTERING; KCOF3; KNIF3; SPECTRAMultiple languages
Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed MatterMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/21116

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