Correlation field splitting of intramolecular vibrations of crystalline tetracene in terahertz region

Tomoaki Yago; Youichi Ishikawa; Hiromasa Ito; Hiromasa Tanaka; Eunsang Kwon; Kenkichi Sakamoto; Ken Suto; Minro Watanabe; Jun Ichi Nishizawa

doi:10.1143/JJAP.44.4145

Correlation field splitting of intramolecular vibrations of crystalline tetracene in terahertz region

Tomoaki Yago, Youichi Ishikawa, Hiromasa Ito, Hiromasa Tanaka, Eunsang Kwon, Kenkichi Sakamoto, Ken Suto, Minro Watanabe, Jun Ichi Nishizawa

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

7 Citations (Scopus)

Abstract

The temperature dependence of terahertz (THz) absorption was observed for molecular crystals of tetracene using the Fourier transform infrared (FT-IR) spectroscopy. Over the frequency range of 1 to 6 THz (33 to 200cm^-1), THz absorptions corresponding to phonon and intramolecular vibrational modes were confirmed. Furthermore, the intramolecular vibrational modes exhibited correlation field splitting that originated from crystallization. A temperature-induced phase transition was successfully detected for the intramolecular vibrational modes of tetracene, even in powde form. Our results showed that these THz absorptions are highly sensitive to the molecular orientations within the crystal.

Original language	English
Pages (from-to)	4145-4150
Number of pages	6
Journal	Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume	44
Issue number	6 A
DOIs	https://doi.org/10.1143/JJAP.44.4145
Publication status	Published - 2005 Jun
Externally published	Yes

Keywords

Correlation field splitting
Molecular crystal
Phase transition
Temperature effect
Terahertz absorption
Tetracene

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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10.1143/JJAP.44.4145

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Yago, T., Ishikawa, Y., Ito, H., Tanaka, H., Kwon, E., Sakamoto, K., Suto, K., Watanabe, M., & Nishizawa, J. I. (2005). Correlation field splitting of intramolecular vibrations of crystalline tetracene in terahertz region. Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, 44(6 A), 4145-4150. https://doi.org/10.1143/JJAP.44.4145

Yago, T, Ishikawa, Y, Ito, H, Tanaka, H, Kwon, E, Sakamoto, K, Suto, K, Watanabe, M & Nishizawa, JI 2005, 'Correlation field splitting of intramolecular vibrations of crystalline tetracene in terahertz region', Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, vol. 44, no. 6 A, pp. 4145-4150. https://doi.org/10.1143/JJAP.44.4145

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abstract = "The temperature dependence of terahertz (THz) absorption was observed for molecular crystals of tetracene using the Fourier transform infrared (FT-IR) spectroscopy. Over the frequency range of 1 to 6 THz (33 to 200cm-1), THz absorptions corresponding to phonon and intramolecular vibrational modes were confirmed. Furthermore, the intramolecular vibrational modes exhibited correlation field splitting that originated from crystallization. A temperature-induced phase transition was successfully detected for the intramolecular vibrational modes of tetracene, even in powde form. Our results showed that these THz absorptions are highly sensitive to the molecular orientations within the crystal.",

keywords = "Correlation field splitting, Molecular crystal, Phase transition, Temperature effect, Terahertz absorption, Tetracene",

author = "Tomoaki Yago and Youichi Ishikawa and Hiromasa Ito and Hiromasa Tanaka and Eunsang Kwon and Kenkichi Sakamoto and Ken Suto and Minro Watanabe and Nishizawa, {Jun Ichi}",

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doi = "10.1143/JJAP.44.4145",

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T1 - Correlation field splitting of intramolecular vibrations of crystalline tetracene in terahertz region

AU - Yago, Tomoaki

AU - Ishikawa, Youichi

AU - Ito, Hiromasa

AU - Tanaka, Hiromasa

AU - Kwon, Eunsang

AU - Sakamoto, Kenkichi

AU - Suto, Ken

AU - Watanabe, Minro

AU - Nishizawa, Jun Ichi

PY - 2005/6

Y1 - 2005/6

N2 - The temperature dependence of terahertz (THz) absorption was observed for molecular crystals of tetracene using the Fourier transform infrared (FT-IR) spectroscopy. Over the frequency range of 1 to 6 THz (33 to 200cm-1), THz absorptions corresponding to phonon and intramolecular vibrational modes were confirmed. Furthermore, the intramolecular vibrational modes exhibited correlation field splitting that originated from crystallization. A temperature-induced phase transition was successfully detected for the intramolecular vibrational modes of tetracene, even in powde form. Our results showed that these THz absorptions are highly sensitive to the molecular orientations within the crystal.

AB - The temperature dependence of terahertz (THz) absorption was observed for molecular crystals of tetracene using the Fourier transform infrared (FT-IR) spectroscopy. Over the frequency range of 1 to 6 THz (33 to 200cm-1), THz absorptions corresponding to phonon and intramolecular vibrational modes were confirmed. Furthermore, the intramolecular vibrational modes exhibited correlation field splitting that originated from crystallization. A temperature-induced phase transition was successfully detected for the intramolecular vibrational modes of tetracene, even in powde form. Our results showed that these THz absorptions are highly sensitive to the molecular orientations within the crystal.

KW - Correlation field splitting

KW - Molecular crystal

KW - Phase transition

KW - Temperature effect

KW - Terahertz absorption

KW - Tetracene

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JO - Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes

JF - Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes

IS - 6 A

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Correlation field splitting of intramolecular vibrations of crystalline tetracene in terahertz region

Abstract

Keywords

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