Low-lying electronic states in bismuth trimer Bi3 As revealed by laser-induced NIR emission spectroscopy in solid Ne

Tomonari Wakabayashi, Yoriko Wada, Kyo Nakajima, Yusuke Morisawa, Susumu Kuma, Yuki Miyamoto, Noboru Sasao, Motohiko Yoshimura, Tohru Sato, Kentarou Kawaguchi

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Abstract

Laser-induced near-infrared (NIR) emission spectra of neutral bismuth timer, Bi3, embedded in solid neon matrixes at 3 K were recorded in a range 870-1670 nm. Using photoexcitation with low energy photons at 1064 nm, two emission band systems were newly identified by their origin bands at T0 = 6600 and 8470 cm-1. Accordingly, spectral assignment for three NIR emission band systems reported recently was partly revised for the one with its origin band at T0 = 7755 cm-1 and reconfirmed for the others at T0 = 9625 and 11 395 cm-1. Energy splitting by spin-orbit coupling between the pair of electronic energy levels in the ground state of bismuth trimer, Bi3, both having a totally symmetric vibrational mode of frequency at e = 150 cm-1, was determined to be 1870 ± 1.5 cm-1. Transitions from the pair of electronically excited states, locating at T0 = 8470 and 9625 cm-1 above the ground state and separated by spin-orbit coupling of 1155 cm-1, have relatively long decay constants of ∼0.2 and ∼0.1 ms, respectively.

Original languageEnglish
Pages (from-to)2644-2650
Number of pages7
JournalJournal of Physical Chemistry A
Volume119
Issue number11
DOIs
Publication statusPublished - Mar 19 2015

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Bismuth
Emission spectroscopy
Electronic states
trimers
Ground state
bismuth
Infrared spectroscopy
Orbits
Neon
Infrared radiation
Lasers
Photoexcitation
Electron transitions
electronics
Excited states
Electron energy levels
spectroscopy
lasers
Photons
orbits

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

Cite this

Low-lying electronic states in bismuth trimer Bi3 As revealed by laser-induced NIR emission spectroscopy in solid Ne. / Wakabayashi, Tomonari; Wada, Yoriko; Nakajima, Kyo; Morisawa, Yusuke; Kuma, Susumu; Miyamoto, Yuki; Sasao, Noboru; Yoshimura, Motohiko; Sato, Tohru; Kawaguchi, Kentarou.

In: Journal of Physical Chemistry A, Vol. 119, No. 11, 19.03.2015, p. 2644-2650.

Research output: Contribution to journalArticle

Wakabayashi, Tomonari ; Wada, Yoriko ; Nakajima, Kyo ; Morisawa, Yusuke ; Kuma, Susumu ; Miyamoto, Yuki ; Sasao, Noboru ; Yoshimura, Motohiko ; Sato, Tohru ; Kawaguchi, Kentarou. / Low-lying electronic states in bismuth trimer Bi3 As revealed by laser-induced NIR emission spectroscopy in solid Ne. In: Journal of Physical Chemistry A. 2015 ; Vol. 119, No. 11. pp. 2644-2650.
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