A threshold photoelectron-photoion coincidence spectrometer with double velocity imaging using synchrotron radiation

The Review of Scientific Instruments
Xiaofeng TangLiusi Sheng

Abstract

A novel threshold photoelectron-photoion coincidence (TPEPICO) imaging spectrometer at the U14-A beamline of the Hefei National Synchrotron Radiation Laboratory is presented. A set of open electron and ion lenses are utilized to map velocity imaging of photoelectrons and photoions simultaneously, in which a repelling electric field using an extra lens is applied to magnify images of photoelectrons instead of traditional accelerating electric field in order to suppress the contribution of energetic electrons in the threshold photoelectron spectroscopy (TPES) and the mass-selected TPEPICO spectroscopy. The typical energy resolution of TPES is measured to be 9 meV (full width at half maximum), as shown on the (2)P(1/2) ionization of argon. The measured mass resolving power for the present TPEPICO imaging spectrometer is above 900 of M/DeltaM. Subsequently as a benchmark, oxygen molecule is photoionized by monochromatic synchrotron radiation at 20.298 eV and dissociates to an oxygen atomic ion and a neutral oxygen atom, and the translation energy distribution of oxygen atomic ion is measured by the time-sliced imaging based on mass-selected TPEPICO experiment. The kinetic energy resolution of the present ion velocity imaging is bet...Continue Reading

References

Apr 25, 2002·Annual Review of Physical Chemistry·Cheuk-Yiu Ng
Aug 5, 2004·The Journal of Chemical Physics·Haifeng XuXingxiao Ma
Sep 28, 2004·The Journal of Chemical Physics·Andreas OsterwalderDaniel M Neumark
Oct 24, 2006·Journal of Synchrotron Radiation·Sisheng WangShikang Zhou
Sep 4, 2007·The Review of Scientific Instruments·Andras BodiThomas Gerber
Apr 2, 2009·The Review of Scientific Instruments·Andras BodiTomas Baer
May 15, 2009·Physical Chemistry Chemical Physics : PCCP·Daniel IrimiaMaurice H M Janssen
Apr 7, 2005·Physical Chemistry Chemical Physics : PCCP·Tomas BaerDon Palathinkal

❮ Previous
Next ❯

Citations

Mar 2, 2010·Journal of the American Society for Mass Spectrometry·Tomas Baer, Robert C Dunbar
May 6, 2011·Chemical Reviews·Naomi J HalasPeter Nordlander
Sep 4, 2012·The Review of Scientific Instruments·Andras BodiBálint Sztáray
Oct 2, 2012·The Review of Scientific Instruments·C Stefan LehmannMaurice H M Janssen
Feb 20, 2016·Journal of Mass Spectrometry : JMS·Jun ChenLiusi Sheng
Sep 28, 2010·Journal of Mass Spectrometry : JMS·Bálint SztárayTomas Baer
May 10, 2011·The Journal of Chemical Physics·Wenzheng FangLiusi Sheng
Mar 17, 2016·Annual Review of Physical Chemistry·Oleg KostkoMusahid Ahmed
Nov 3, 2016·The Journal of Chemical Physics·David L OsbornBálint Sztáray
Mar 3, 2017·Physical Chemistry Chemical Physics : PCCP·Tomas Baer, Richard P Tuckett
Aug 21, 2014·Physical Chemistry Chemical Physics : PCCP·Jonelle HarveyAndras Bodi
Nov 7, 2017·Physical Chemistry Chemical Physics : PCCP·Andras BodiRichard P Tuckett
Feb 15, 2019·Physical Chemistry Chemical Physics : PCCP·Xiangkun WuLiusi Sheng
Apr 18, 2019·Physical Chemistry Chemical Physics : PCCP·John M Dyke
Dec 7, 2013·Physical Chemistry Chemical Physics : PCCP·Maurice H M Janssen, Ivan Powis
Jul 10, 2017·The Journal of Chemical Physics·Arthur ZhaoThomas Weinacht
Mar 3, 2020·The Review of Scientific Instruments·Duke A DebrahWen Li
Dec 3, 2017·The Review of Scientific Instruments·Arthur ZhaoThomas Weinacht
Jul 21, 2017·The Journal of Physical Chemistry. a·Xiaofeng TangLaurent Nahon
Jun 6, 2017·The Journal of Physical Chemistry. a·Xiangkun WuLiusi Sheng

❮ Previous
Next ❯

Methods Mentioned

BETA
imaging technique

Software Mentioned

Simion
PEPICO
SIMION 3D VER
VMI

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.