Název: Direct imaging of valence orbitals using hard x-ray photoelectron spectroscopy
Autoři: Takegami, Daisuke
Nicolai, Laurent Christophe
Utsumi, Yuki
Meléndez-Sans, Anna
Balatsky, Daria A.
Knight, Cariad-A.
Dalton, Connor
Huang, Shao-Lun
Chen, Chi-Sheng
Zhao, Li
Komarek, Alexander C.
Liao, Yen-Fa
Tsuei, Ku-Ding
Minár, Jan
Tjeng, Liu Hao
Citace zdrojového dokumentu: TAKEGAMI, D. NICOLAI, LCH. UTSUMI, Y. MELÉNDEZ-SANS, A. BALATSKY, DA. KNIGHT, C. DALTON, C. HUANG, S. CHEN, CH. ZHAO, L. KOMAREK, AC. LIAO, Y. TSUEI, K. MINÁR, J. TJENG, LH. Direct imaging of valence orbitals using hard x-ray photoelectron spectroscopy. Physical Review Research, 2022, roč. 4, č. 3, s. nestránkováno. ISSN: 2643-1564
Datum vydání: 2022
Nakladatel: American Physical Society
Typ dokumentu: článek
article
URI: 2-s2.0-85135907312
http://hdl.handle.net/11025/51339
ISSN: 2643-1564
Klíčová slova v dalším jazyce: bulk electronic-structure;atomic orbitals;cross-section;sphotoemission;conductivity;diffraction
Abstrakt: 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.
Abstrakt v dalším jazyce: 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.
Práva: © authors
Vyskytuje se v kolekcích:Články / Articles (RAM)
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