On-demand frequency tunability of fluidic antenna implemented with gallium-based liquid metal alloyDaeyoung Kim, Seok Joo Doo, Heong Sup Won, Woojin Lee, Jinpyo Jeon, Sang Kug Chung, Gil-Young Lee, Semyoung Oh and Jeong-Bong LeeEur. Phys. J. Appl. Phys., 78 1 (2017) 11101DOI: https://doi.org/10.1051/epjap/2017160346