Crystal Structure and Raman Spectra of InSe
作者： T. Ikari , S. Shigetomi , K. Hashimoto
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摘要: A polytype of InSe single crystals is determined to be γ-type by means X-ray Laue and diffractometer measurements. Polarized Raman scattering studies are carried out at room temperature the spectra analysed using normal modes γ-InSe. Two lines A1 mode (118, 228 cm−1) two E (43, 180 observed. An additional line 214 cm−1 attributed an LO phonon with symmetry. Ein Polytyp der InSe-Einkristalle wird als γ-Typ durch die Rontgenuntersuchung mit Laue-Kamera und dem Diffraktometer bestimmt. Polarisierte Raman-Messungen werden bei Zimmertemperatur durchgefuhrt Raman-Spektren Schwingungstyp des γ-InSe analysiert. Zwei Ramanlinien A1-Mode zwei E-Mode beobachtet. Eine zusatzliche Ramanlinie auf ein LO-Phonon E-Symmetrie zuruckgefuhrt.
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