1. Materials Center Leoben Forschung GmbH, 8700 Leoben, Austria
2. Nanoparticles by Design Unit, Okinawa Institute of Science and Technology (OIST), Okinawa 904 0495, Japan
3. Department of Physics, Jai Prakash University, Chapra 841301, Bihar, India
4. Materials Sciences and Engineering GTIIT, Guangdong Technion—Israel Institute of Technology, Shantou 515063, China
5. Quantum Nano Photonics, Department of Applied Physics, KTH Royal Institute of Technology, 10044 Stockholm, Sweden