I. Saptiama
Center for Radioisotope and Radiopharmaceutical Technology, National Nuclear Energy Agency (BATAN), Puspiptek Area Serpong, Tangerang Selatan 15314, Indonesia
Indonesia

F. Rindiyantono
Center for Radioisotope and Radiopharmaceutical Technology, National Nuclear Energy Agency (BATAN), Puspiptek Area Serpong, Tangerang Selatan 15314, Indonesia
Indonesia

A. Aries
Center for Radioisotope and Radiopharmaceutical Technology, National Nuclear Energy Agency (BATAN), Puspiptek Area Serpong, Tangerang Selatan 15314, Indonesia
Indonesia

Y. V. Kaneti
International Center for Materials Nanoarchitectonics (WPI-MANA)-NIMS, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
Australia

M. Iqbal
International Center for Materials Nanoarchitectonics (WPI-MANA)-NIMS, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan; Engineering Physics Department and Research Centre for Nanoscience and Nanotechnolog, Institut Teknologi Bandung, Jl. Ganesa No.10, Bandung 40132, Indonesia
Indonesia