Acoustic plasmonics of Au grating/Bi<sub>2</sub>Se<sub>3</sub> thin film/sapphire hybrid structures

Acoustic plasmonics of Au grating/Bi₂Se₃ thin film/sapphire hybrid structures

Li Weiwu¹, Riegel Konstantin¹, Liu Chuanpu², Taskin Alexey³, Ando Yoichi³, Liao Zhimin², Dressel Martin¹, Yan Yuan^{1, 4, 5, †}

Reflectivity spectra of the Ref-sample under perpendicularly (a) and parallelly (b) polarized incident light at different temperatures. The optical reflectivity of TI-sample under perpendicularly (c) and parallelly (d) polarized incident light at T = 10 K and 296 K.