A high sensitivity electron momentum spectrometer with two-dimensional detectors and electron momentum distributions of several simple molecules

Masahiko Takahashi; Yasuo Udagawa

doi:10.1016/j.elspec.2004.02.116

A high sensitivity electron momentum spectrometer with two-dimensional detectors and electron momentum distributions of several simple molecules

Masahiko Takahashi, Yasuo Udagawa

Division of Measurements

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Electron momentum spectroscopy (EMS) makes it possible to examine orbital patterns of individual molecular orbitals in momentum space. A new spectrometer for electron-electron coincidence experiments for EMS has been developed to obtain orbital patterns quantitatively. Using a spherical analyzer and position-sensitive two-dimensional detectors combined with fast electronics, simultaneous measurements of energy and angular correlations between the two outgoing electrons can be made. This spectrometer features high sensitivity and an ease of changing impact energies. Details of the apparatus are described and impact energy dependence of electron momentum distributions of the HOMO of H₂ and biacetyl are compared.

Original language	English
Pages (from-to)	387-391
Number of pages	5
Journal	Journal of Electron Spectroscopy and Related Phenomena
Volume	137-140
Issue number	SPEC. ISS.
DOIs	https://doi.org/10.1016/j.elspec.2004.02.116
Publication status	Published - 2004 Jul 1

Keywords

Biacetyl
Electron momentum spectroscopy
Glyoxal
Orbital pattern
Position-sensitive detector

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Radiation
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Spectroscopy
Physical and Theoretical Chemistry

Access to Document

10.1016/j.elspec.2004.02.116

Cite this

@article{7f67bebfa97b40ffb386af0bbaf0d6ed,

title = "A high sensitivity electron momentum spectrometer with two-dimensional detectors and electron momentum distributions of several simple molecules",

abstract = "Electron momentum spectroscopy (EMS) makes it possible to examine orbital patterns of individual molecular orbitals in momentum space. A new spectrometer for electron-electron coincidence experiments for EMS has been developed to obtain orbital patterns quantitatively. Using a spherical analyzer and position-sensitive two-dimensional detectors combined with fast electronics, simultaneous measurements of energy and angular correlations between the two outgoing electrons can be made. This spectrometer features high sensitivity and an ease of changing impact energies. Details of the apparatus are described and impact energy dependence of electron momentum distributions of the HOMO of H2 and biacetyl are compared.",

keywords = "Biacetyl, Electron momentum spectroscopy, Glyoxal, Orbital pattern, Position-sensitive detector",

author = "Masahiko Takahashi and Yasuo Udagawa",

year = "2004",

month = jul,

day = "1",

doi = "10.1016/j.elspec.2004.02.116",

language = "English",

volume = "137-140",

pages = "387--391",

journal = "Journal of Electron Spectroscopy and Related Phenomena",

issn = "0368-2048",

publisher = "Elsevier",

number = "SPEC. ISS.",

}

TY - JOUR

T1 - A high sensitivity electron momentum spectrometer with two-dimensional detectors and electron momentum distributions of several simple molecules

AU - Takahashi, Masahiko

AU - Udagawa, Yasuo

PY - 2004/7/1

Y1 - 2004/7/1

N2 - Electron momentum spectroscopy (EMS) makes it possible to examine orbital patterns of individual molecular orbitals in momentum space. A new spectrometer for electron-electron coincidence experiments for EMS has been developed to obtain orbital patterns quantitatively. Using a spherical analyzer and position-sensitive two-dimensional detectors combined with fast electronics, simultaneous measurements of energy and angular correlations between the two outgoing electrons can be made. This spectrometer features high sensitivity and an ease of changing impact energies. Details of the apparatus are described and impact energy dependence of electron momentum distributions of the HOMO of H2 and biacetyl are compared.

AB - Electron momentum spectroscopy (EMS) makes it possible to examine orbital patterns of individual molecular orbitals in momentum space. A new spectrometer for electron-electron coincidence experiments for EMS has been developed to obtain orbital patterns quantitatively. Using a spherical analyzer and position-sensitive two-dimensional detectors combined with fast electronics, simultaneous measurements of energy and angular correlations between the two outgoing electrons can be made. This spectrometer features high sensitivity and an ease of changing impact energies. Details of the apparatus are described and impact energy dependence of electron momentum distributions of the HOMO of H2 and biacetyl are compared.

KW - Biacetyl

KW - Electron momentum spectroscopy

KW - Glyoxal

KW - Orbital pattern

KW - Position-sensitive detector

UR - http://www.scopus.com/inward/record.url?scp=2942539326&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=2942539326&partnerID=8YFLogxK

U2 - 10.1016/j.elspec.2004.02.116

DO - 10.1016/j.elspec.2004.02.116

M3 - Article

AN - SCOPUS:2942539326

SN - 0368-2048

VL - 137-140

SP - 387

EP - 391

JO - Journal of Electron Spectroscopy and Related Phenomena

JF - Journal of Electron Spectroscopy and Related Phenomena

IS - SPEC. ISS.

ER -

A high sensitivity electron momentum spectrometer with two-dimensional detectors and electron momentum distributions of several simple molecules

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this