Subwavelength asymmetric Au–VO<sub>2</sub> nanodisk dimer for switchable directional scattering<xref rid="cpb_27_11_117301fn1" ref-type="fn">*</xref><fn id="cpb_27_11_117301fn1"><label>*</label><p>Project supported by the National Key R&D Program of China (Grant No. 2017YFA0303800), the National Natural Science Foundation of China (Grant Nos. 11634010, 61675170, and 11874050), the Natural Science Basic Research Plan in Shaanxi Province, China (Grant No. 2017JM6022), and the Fundamental Research Funds for the Central Universities, China (Grant No. 3102017zy017).</p></fn>

Subwavelength asymmetric Au–VO₂ nanodisk dimer for switchable directional scattering**

Project supported by the National Key R&D Program of China (Grant No. 2017YFA0303800), the National Natural Science Foundation of China (Grant Nos. 11634010, 61675170, and 11874050), the Natural Science Basic Research Plan in Shaanxi Province, China (Grant No. 2017JM6022), and the Fundamental Research Funds for the Central Universities, China (Grant No. 3102017zy017).

Zhang Han-Mou, Shang Wu-Yun, Lu Hua, Xiao Fa-Jun^†, Zhao Jian-Lin^‡

(color online) (a), (b) Normalized 3D map of far-field scattering intensity for the asymmetric Au–VO₂ nanodisk dimer with the optimized dimer separation l = 290 nm excited by a plane-wave at λ = 1.064 μm at 355 K and 300 K. (c), (d) The corresponding scattering patterns (|E|²) in xy (red curve) and xz (blue curve) planes at 355 K and 300 K.