Observation of new near infrared emission band systems of small bismuth clusters in solid neon matrix

Tomonari Wakabayashi; Makiko Tomioka; Yoriko Wada; Yuki Miyamoto; Jian Tang; Kentarou Kawaguchi; Susumu Kuma; Noboru Sasao; Hajime Nanjo; Satoshi Uetake; Motohiko Yoshimura; Itsuo Nakano

doi:10.1140/epjd/e2012-30529-x

Observation of new near infrared emission band systems of small bismuth clusters in solid neon matrix

Tomonari Wakabayashi, Makiko Tomioka, Yoriko Wada, Yuki Miyamoto, Jian Tang, Kentarou Kawaguchi, Susumu Kuma, Noboru Sasao, Hajime Nanjo, Satoshi Uetake, Motohiko Yoshimura, Itsuo Nakano

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Abstract

Laser induced fluorescence (LIF) spectroscopy was applied to small bismuth clusters embedded in a solid neon matrix at 3 K. Near infrared (NIR) optical emission spectra were recorded in a range of 6200-11 600 cm^-1 by an excitation with 1.79 eV photons using a pulsed dye laser system. Three new NIR band systems were identified by their origin bands at 8207, 9625 and 11 395 cm^-1. Each of the NIR systems exhibited the vibrational progression with a common lower state frequency at 151 cm^-1. Temporal decay profiles for selected NIR emission bands showed upper state lifetimes on the order of a hundred of microseconds, explainable by the transition between mixed spin states. Low-lying electronic states for small bismuth clusters, Bi _n (n = 2-4), are discussed along the theory and experiment reported so far.

Original language	English
Article number	36
Journal	European Physical Journal D
Volume	67
Issue number	2
DOIs	https://doi.org/10.1140/epjd/e2012-30529-x
Publication status	Published - Feb 2013

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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title = "Observation of new near infrared emission band systems of small bismuth clusters in solid neon matrix",

abstract = "Laser induced fluorescence (LIF) spectroscopy was applied to small bismuth clusters embedded in a solid neon matrix at 3 K. Near infrared (NIR) optical emission spectra were recorded in a range of 6200-11 600 cm-1 by an excitation with 1.79 eV photons using a pulsed dye laser system. Three new NIR band systems were identified by their origin bands at 8207, 9625 and 11 395 cm-1. Each of the NIR systems exhibited the vibrational progression with a common lower state frequency at 151 cm-1. Temporal decay profiles for selected NIR emission bands showed upper state lifetimes on the order of a hundred of microseconds, explainable by the transition between mixed spin states. Low-lying electronic states for small bismuth clusters, Bi n (n = 2-4), are discussed along the theory and experiment reported so far.",

author = "Tomonari Wakabayashi and Makiko Tomioka and Yoriko Wada and Yuki Miyamoto and Jian Tang and Kentarou Kawaguchi and Susumu Kuma and Noboru Sasao and Hajime Nanjo and Satoshi Uetake and Motohiko Yoshimura and Itsuo Nakano",

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T1 - Observation of new near infrared emission band systems of small bismuth clusters in solid neon matrix

AU - Wakabayashi, Tomonari

AU - Tomioka, Makiko

AU - Wada, Yoriko

AU - Miyamoto, Yuki

AU - Tang, Jian

AU - Kawaguchi, Kentarou

AU - Kuma, Susumu

AU - Sasao, Noboru

AU - Nanjo, Hajime

AU - Uetake, Satoshi

AU - Yoshimura, Motohiko

AU - Nakano, Itsuo

PY - 2013/2

Y1 - 2013/2

N2 - Laser induced fluorescence (LIF) spectroscopy was applied to small bismuth clusters embedded in a solid neon matrix at 3 K. Near infrared (NIR) optical emission spectra were recorded in a range of 6200-11 600 cm-1 by an excitation with 1.79 eV photons using a pulsed dye laser system. Three new NIR band systems were identified by their origin bands at 8207, 9625 and 11 395 cm-1. Each of the NIR systems exhibited the vibrational progression with a common lower state frequency at 151 cm-1. Temporal decay profiles for selected NIR emission bands showed upper state lifetimes on the order of a hundred of microseconds, explainable by the transition between mixed spin states. Low-lying electronic states for small bismuth clusters, Bi n (n = 2-4), are discussed along the theory and experiment reported so far.

AB - Laser induced fluorescence (LIF) spectroscopy was applied to small bismuth clusters embedded in a solid neon matrix at 3 K. Near infrared (NIR) optical emission spectra were recorded in a range of 6200-11 600 cm-1 by an excitation with 1.79 eV photons using a pulsed dye laser system. Three new NIR band systems were identified by their origin bands at 8207, 9625 and 11 395 cm-1. Each of the NIR systems exhibited the vibrational progression with a common lower state frequency at 151 cm-1. Temporal decay profiles for selected NIR emission bands showed upper state lifetimes on the order of a hundred of microseconds, explainable by the transition between mixed spin states. Low-lying electronic states for small bismuth clusters, Bi n (n = 2-4), are discussed along the theory and experiment reported so far.

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ER -

Observation of new near infrared emission band systems of small bismuth clusters in solid neon matrix

Abstract

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