✦ LIBER ✦

Pulsed-field-ionization spectroscopy for the study of molecular cations

✍ Scribed by Ken Takazawa; Masaaki Fujii; Takayuki Ebata; Mitsuo Ito

Book ID: 103035378
Publisher: Elsevier Science
Year: 1992
Tongue: English
Weight: 490 KB
Volume: 189
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(92)85256-a

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✦ Synopsis

It is shown that pulsed-field-ionization (PFI) spectroscopy using usual MPI apparatus without any magnetic shielding gives the spectra of molecular cations comparable to those obtained by ZEKE spectroscopy which requires a thorough magnetic shielding. The electrons detected by PFI spectroscopy were proved to come from very high Rydberg states of a neutral molecule near the convergence limit. The potential of PFI spectroscopy for the study of the vibrational structures of cations is demonstrated for the cations of DABCO, 1,2,4,5_tetrafluorobenzene and m-fluorotoluene.

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