Terahertz spectroscopic analysis of crystal orientation in polymers

Chisato Azeyanagi, Takuya Kaneko, Yoshimichi Ohki

    Research output: Contribution to journalArticle

    2 Citations (Scopus)

    Abstract

    Terahertz time-domain spectroscopy (THz-TDS) is attracting keen attention as a new spectroscopic tool for characterizing various materials. In this research, the possibility of analyzing the crystal orientation in a crystalline polymer by THz-TDS is investigated by measuring angle-resolved THz absorption spectra for sheets of poly(ethylene terephthalate), poly(ethylene naphthalate), and poly(phenylene sulfide). The resultant angle dependence of the absorption intensity of each polymer is similar to that of the crystal orientation examined using pole figures of X-ray diffraction. More specifically, THz-TDS can indicate the alignment of molecules in polymers.

    Original languageEnglish
    Article number050302
    JournalJapanese Journal of Applied Physics
    Volume57
    Issue number5
    DOIs
    Publication statusPublished - 2018 May 1

    Fingerprint

    Spectroscopic analysis
    spectroscopic analysis
    Crystal orientation
    Spectroscopy
    polymers
    Polymers
    spectroscopy
    crystals
    polyethylene terephthalate
    Polyethylene terephthalates
    sulfides
    Absorption spectra
    Poles
    Ethylene
    ethylene
    poles
    alignment
    Crystalline materials
    absorption spectra
    X ray diffraction

    ASJC Scopus subject areas

    • Engineering(all)
    • Physics and Astronomy(all)

    Cite this

    Terahertz spectroscopic analysis of crystal orientation in polymers. / Azeyanagi, Chisato; Kaneko, Takuya; Ohki, Yoshimichi.

    In: Japanese Journal of Applied Physics, Vol. 57, No. 5, 050302, 01.05.2018.

    Research output: Contribution to journalArticle

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