Bimetallic nanostructures on porous silicon with controllable surface plasmon resonance Nadia Khinevich, Sergey Zavatski, Victor Kholyavo and Hanna Bandarenka Eur. Phys. J. Plus, 134 2 (2019) 75 Published online: 21 February 2019 DOI: 10.1140/epjp/i2019-12567-4