[17p-M_178-1~15] 17.3 Layered materials

4:30 PM - 4:45 PM JST(7:30 AM - 7:45 AM UTC)

[17p-M_178-10] Phonon Structures and Host-Guest Interaction in Magnetic Intercalation-Compounds

〇Mikio Koyano¹, Takumi Bizen¹, Fuma Mori², Jiro Sakamoto² (1.JAIST, 2.Kanazawa Univ.)

Keywords:

Transition Metal Dichalcogenides,Raman scattering,Phonon structure

The phonon structure of Fe_xTiS₂, obtained by intercalating Fe into the transition metal dichalcogenide TiS₂, was investigated using Raman scattering spectroscopy. An increase in the energy of the A_1g mode was observed as increasing Fe concentration. This behavior can be understood as resulting from the formation of S-Fe-S bonds due to Fe intercalation within the van der Waals gap, which enhances the interlayer bonding force. Combining with the zone folding effect due to Fe arrangement, we present the phonon structure of this magnetic intercalation compounds.