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  Direct imaging of valence orbitals using hard x-ray photoelectron spectroscopy

Takegami, D., Nicolaï, L., Utsumi, Y., Meléndez-Sans, A., Balatsky, D. A., Knight, C.-A., et al. (2022). Direct imaging of valence orbitals using hard x-ray photoelectron spectroscopy. Physical Review Research, 4(3): 033108, pp. 1-7. doi:10.1103/PhysRevResearch.4.033108.

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 Creators:
Takegami, Daisuke1, Author           
Nicolaï, Laurent2, Author
Utsumi, Yuki1, Author           
Meléndez-Sans, Anna1, Author           
Balatsky, Daria A.1, Author           
Knight, Cariad-A.1, Author           
Dalton, Connor1, Author           
Huang, Shao-Lun1, Author           
Chen, Chi-Sheng1, Author           
Zhao, Li1, Author           
Komarek, Alexander C.3, Author           
Liao, Yen-Fa2, Author
Tsuei, Ku-Ding2, Author
Minár, Ján2, Author
Tjeng, Liu Hao4, Author           
Affiliations:
1Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863445              
2External Organizations, ou_persistent22              
3Alexander Komarek, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863446              
4Liu Hao Tjeng, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863452              

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Free keywords: Chemical bonds, Photoelectrons, Photons, Quantum chemistry, X ray photoelectron spectroscopy, Atomic orbital, Chemical bondings, Crystalline solids, Direct imaging, Electronic.structure, Energy, Hard X-ray photoelectron spectroscopy, Modelling systems, Orbitals, Valence orbitals, Electronic structure
 Abstract: It was hypothesized already more than 40 years ago that photoelectron spectroscopy should in principle be able to image atomic orbitals. If this can be made to work for orbitals in crystalline solids, one would have literally a different view on the electronic structure of a wide range of quantum materials. Here, we demonstrate how hard x-ray photoelectron spectroscopy can make direct images of the orbitals making up the band structure of our model system, ReO3. The images are energy specific and enable us to unveil the role of each of those orbitals for the chemical bonding and the Fermi surface topology. The orbital image information is complementary to that from angle-resolved photoemission and thus completes the determination of the electronic structure of materials. © 2022 authors. Published by the American Physical Society.

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Language(s): eng - English
 Dates: 2022-08-082022-08-08
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1103/PhysRevResearch.4.033108
 Degree: -

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Title: Physical Review Research
Source Genre: Journal
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Publ. Info: College Park, Maryland, United States : American Physical Society (APS)
Pages: - Volume / Issue: 4 (3) Sequence Number: 033108 Start / End Page: 1 - 7 Identifier: ISSN: 2643-1564
CoNE: https://pure.mpg.de/cone/journals/resource/2643-1564