Synchrotron-based ambient pressure X-ray photoelectron spectroscopy of hydrogen and helium
- Brookhaven National Lab. (BNL), Upton, NY (United States). Center for Functional Nanomaterials (CFN)
- Brookhaven National Lab. (BNL), Upton, NY (United States). Center for Functional Nanomaterials (CFN); Stony Brook Univ., NY (United States). Dept. of Materials Science and Chemical Engineering
- North Carolina State Univ., Raleigh, NC (United States). Dept. of Chemical and Biomolecular Engineering
- Harvard Univ., Cambridge, MA (United States). Dept. of Chemistry and Chemical Biology
Contrary to popular belief, it is possible to obtain X-ray photoelectron spectra for elements lighter than lithium, namely hydrogen and helium. The literature is plagued with claims of this impossibility, which holds true for lab-based X-ray sources. However, this limitation is merely technical and is related mostly to the low X-ray photoionization cross-sections of the 1s orbitals of hydrogen and helium. Here, we show that, using ambient pressure X-ray photoelectron spectroscopy (XPS), a bright-enough X-ray source allows the study of these elusive elements. This has important implications in the understanding of the limitations of one of the most useful techniques in materials science, and moreover, it potentially opens the possibility of using XPS to directly study the most abundant element in the universe.
- Research Organization:
- Brookhaven National Lab. (BNL), Upton, NY (United States); Energy Frontier Research Centers (EFRC) (United States). Integrated Mesoscale Architectures for Sustainable Catalysis (IMASC)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Scientific User Facilities Division; USDOE Office of Science (SC), Workforce Development for Teachers and Scientists (WDTS) (SC-27)
- Grant/Contract Number:
- AC02-05CH11231; SC0012573; SC0012704
- OSTI ID:
- 1430858
- Alternate ID(s):
- OSTI ID: 1423385
- Report Number(s):
- BNL--203379-2018-JAAM
- Journal Information:
- Applied Physics Letters, Journal Name: Applied Physics Letters Journal Issue: 9 Vol. 112; ISSN 0003-6951
- Publisher:
- American Institute of Physics (AIP)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Nondipole effects in helium ionization by intense soft x-ray laser pulses
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Related Subjects
36 MATERIALS SCIENCE
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
77 NANOSCIENCE AND NANOTECHNOLOGY
Chemical analysis
Condensed matter properties
Materials analysis
Optical sources
Photoionization
Physical optics
Spectroscopy
Surface collisions
X-ray photoelectron spectroscopy
X-ray spectroscopy
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
77 NANOSCIENCE AND NANOTECHNOLOGY
Chemical analysis
Condensed matter properties
Materials analysis
Optical sources
Photoionization
Physical optics
Spectroscopy
Surface collisions
X-ray photoelectron spectroscopy
X-ray spectroscopy