Yavas, Hasan ORCID: 0000-0002-8940-3556, Sundermann, Martin, Chen, Kai, Amorese, Andrea ORCID: 0000-0003-0271-0543, Severing, Andrea, Gretarsson, Hlynur, Haverkort, Maurits W. ORCID: 0000-0002-7216-3146 and Tjeng, Liu Hao ORCID: 0000-0002-0595-9312 (2019). Direct imaging of orbitals in quantum materials. Nat. Phys., 15 (6). S. 559 - 564. LONDON: NATURE PUBLISHING GROUP. ISSN 1745-2481

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Abstract

The electronic states of quantum materials based on transition-metal, rare-earth and actinide elements are dominated by electrons in the d and f orbitals intertwined with the strong band formation of the solid. Until now, to estimate which specific orbitals contribute to the ground state and thereby determine their physical properties we have had to rely on theoretical calculations combined with spectroscopy. Here, we show that s-core-level non-resonant inelastic X-ray scattering can directly image the active orbital in real space, without the necessity for any modelling. The power and accuracy of this new technique is shown using the textbook example, x(2) - y(2)/3z(2) - r(2) orbital of the Ni2+ ion in NiO single crystal.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Yavas, HasanUNSPECIFIEDorcid.org/0000-0002-8940-3556UNSPECIFIED
Sundermann, MartinUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Chen, KaiUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Amorese, AndreaUNSPECIFIEDorcid.org/0000-0003-0271-0543UNSPECIFIED
Severing, AndreaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gretarsson, HlynurUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Haverkort, Maurits W.UNSPECIFIEDorcid.org/0000-0002-7216-3146UNSPECIFIED
Tjeng, Liu HaoUNSPECIFIEDorcid.org/0000-0002-0595-9312UNSPECIFIED
URN: urn:nbn:de:hbz:38-146841
DOI: 10.1038/s41567-019-0471-2
Journal or Publication Title: Nat. Phys.
Volume: 15
Number: 6
Page Range: S. 559 - 564
Date: 2019
Publisher: NATURE PUBLISHING GROUP
Place of Publication: LONDON
ISSN: 1745-2481
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
RAY CIRCULAR-DICHROISM; PROBEMultiple languages
Physics, MultidisciplinaryMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/14684

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