[20a-A31-1~11] 17.3 Layered materials

11:30 AM - 11:45 AM JST(2:30 AM - 2:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[20a-A31-10] Intercalation of Metal Atoms into W₆Te₆ Atomic Nanowires and The Optical Properties

〇(D)Ryusuke Natsui¹, Yusuke Nakanishi¹, Zheng Liu², Nguyen Tuan Hung³, Yung-Chang Lin², Takahiko Endo¹, Kazu Suenaga⁴, Riichiro Saito³, Yasumitsu Miyata¹ (1.Tokyo Metropolitan Univ., 2.AIST, 3.Tohoku Univ., 4.Osaka Univ.)

Keywords:

nanowire,angle-resolved polarized Raman spectroscopy,intercalation

The ternary transition metal monochalcogenide (ternary TMM), represented as A₂M₆X₆ (M: transition metal, X: chalcogen, A: alkali metal, etc.), is a quasi-one-dimensional material that has attracted attention due to its anisotropic properties. This material exhibits various electronic states, depending on the filling rate and type of the A metal. Research has been conducted on the superconducting transition of In₂Mo₆Se₆ and Tl₂Mo₆Se₆, and the charge density wave formation in Rb₂Mo₆Se₆. However, traditional solid-phase synthesis methods have made it challenging to investigate the properties with controlled A metal filling rates. Recently, we have succeeded in forming large-area films of W₆Te₆ bundles. If A metals can be intercalated into these W₆Te₆ bundles, it is expected to realize ternary TMMs with diverse compositions and filling rates. In this study, we focused on W₆Te₆ bundles, intercalating In atoms using a vapor phase method, and evaluating their structure and optical properties.