Loss for photoemission versus gain for Auger: Direct experimental evidence of crystal-field splitting and charge transfer in photoelectron spectroscopy
Abstract
Here, we find a 5 eV satellite in the Ti1s photoelectron spectrum of the transition-metal oxide SrTiO3. This satellite appears in addition to the well-studied 13 eV structure that is typically associated with the Ti2p core line. We give direct experimental evidence that the presence of two satellites is due to the crystal-field splitting of the metal 3d orbitals. They originate from ligand 2pt2g → metal3dt2g and ligand 2peg → metal 3deg monopole charge-transfer excitations within the sudden approximation of quantum mechanics. This assignment is made by the energetics of the resonant and high-energy threshold behaviors of the TiK–L2L3 Auger decay that follows Ti1s photoionization.
- Authors:
-
- National Institute of Standards and Technology, Gaithersburg, MD (United States)
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Publication Date:
- Research Org.:
- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1341499
- Alternate Identifier(s):
- OSTI ID: 1193886
- Report Number(s):
- BNL-108202-2015-JA
Journal ID: ISSN 1098-0121; PRBMDO; R&D Project: LS001
- Grant/Contract Number:
- SC00112704
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review. B, Condensed Matter and Materials Physics
- Additional Journal Information:
- Journal Volume: 91; Journal Issue: 20; Journal ID: ISSN 1098-0121
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Woicik, J. C., Weiland, C., and Rumaiz, A. K. Loss for photoemission versus gain for Auger: Direct experimental evidence of crystal-field splitting and charge transfer in photoelectron spectroscopy. United States: N. p., 2015.
Web. doi:10.1103/PhysRevB.91.201412.
Woicik, J. C., Weiland, C., & Rumaiz, A. K. Loss for photoemission versus gain for Auger: Direct experimental evidence of crystal-field splitting and charge transfer in photoelectron spectroscopy. United States. https://doi.org/10.1103/PhysRevB.91.201412
Woicik, J. C., Weiland, C., and Rumaiz, A. K. Fri .
"Loss for photoemission versus gain for Auger: Direct experimental evidence of crystal-field splitting and charge transfer in photoelectron spectroscopy". United States. https://doi.org/10.1103/PhysRevB.91.201412. https://www.osti.gov/servlets/purl/1341499.
@article{osti_1341499,
title = {Loss for photoemission versus gain for Auger: Direct experimental evidence of crystal-field splitting and charge transfer in photoelectron spectroscopy},
author = {Woicik, J. C. and Weiland, C. and Rumaiz, A. K.},
abstractNote = {Here, we find a 5 eV satellite in the Ti1s photoelectron spectrum of the transition-metal oxide SrTiO3. This satellite appears in addition to the well-studied 13 eV structure that is typically associated with the Ti2p core line. We give direct experimental evidence that the presence of two satellites is due to the crystal-field splitting of the metal 3d orbitals. They originate from ligand 2pt2g → metal3dt2g and ligand 2peg → metal 3deg monopole charge-transfer excitations within the sudden approximation of quantum mechanics. This assignment is made by the energetics of the resonant and high-energy threshold behaviors of the TiK–L2L3 Auger decay that follows Ti1s photoionization.},
doi = {10.1103/PhysRevB.91.201412},
journal = {Physical Review. B, Condensed Matter and Materials Physics},
number = 20,
volume = 91,
place = {United States},
year = {Fri May 29 00:00:00 EDT 2015},
month = {Fri May 29 00:00:00 EDT 2015}
}
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Works referencing / citing this record:
A novel laboratory-based hard X-ray photoelectron spectroscopy system
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