Optical anisotropy in laterally aligned W6Te6 nanowire bundles
Abstract
We report optical anisotropy in laterally aligned bundles of metallic W6Te6 nanowires, grown on a-plane sapphire substrates by chemical vapor deposition. Mueller-matrix spectroscopic ellipsometry reveals strong directional dependence in absorption (dichroism) and refraction (birefringence) along and across the nanowire axis. These experimental observations are qualitatively supported by first-principles calculations and consideration of depolarization effects. Our findings establish W6Te6 as a model system for studying light–matter interactions in anisotropic metallic nanostructures and demonstrate its potential for polarization-sensitive photonic and optoelectronic applications.
Article Details
Journal Info
Applied Physics Letters
American Institute of Physics
Authors (8)
Ryusuke Natsui
Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS) 1 , Tsukuba 305-0044,
Nguyen Tuan Hung
Department of Materials Science and Engineering, National Taiwan University 3 , Taipei 10617,
Desman Perdamaian Gulo
Department of Physics, National Taiwan Normal University 4 , Taipei 11677,
Keana Rylie Pasoquen
Department of Physics, National Taiwan Normal University 4 , Taipei 11677,
Muhammad Shoufie Ukhtary
Research Center for Quantum Physics, National Research and Innovation Agency (BRIN) 5 , South Tangerang 15314,
Hsiang-Lin Liu
Department of Physics, National Taiwan Normal University 2 , Taipei 11677,
Riichiro Saito
Department of Physics, Tokyo Metropolitan University 2 , Hachioji 192-0397,
Yasumitsu Miyata
Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS) 1 , Tsukuba 305-0044,