Presentation
16 March 2024 Lanthanum-doped barium stannate as potential refractory near-zero index materials for near infrared thermal radiation
Hyebi Kim, Geunpil Kim, In Soo Kim, Kwanil Lee, Soo Jin Kim, Jongbum Kim
Author Affiliations +
Proceedings Volume PC12887, Oxide-based Materials and Devices XV; PC128870K (2024) https://doi.org/10.1117/12.3001401
Event: SPIE OPTO, 2024, San Francisco, California, United States
Abstract
The use of near-zero index (NZI) materials for controlling radiative energy in thermal energy management has gained significant attention. However, conventional metal oxides suffer from notable changes in their optical properties at high temperatures, limiting their practicality in the near-infrared (NIR) range. This research investigates the potential of Lanthanum-doped Barium Stannate (LBSO) as a refractory NZI material suitable for high-temperature environments. By employing LBSO in a metal-insulator-metal (MIM) nano-cavity structure alongside Barium Titanate (BTO), a wavelength-selective thermal emitter was developed. The emitter exhibited impressive performance, with approximately 97% absorption at 2.2 µm, coinciding with the peak emission wavelength at 1000 ℃. Notably, the LBSO-based device demonstrated outstanding stability even under harsh high-temperature conditions.
Conference Presentation
© (2024) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Hyebi Kim, Geunpil Kim, In Soo Kim, Kwanil Lee, Soo Jin Kim, and Jongbum Kim "Lanthanum-doped barium stannate as potential refractory near-zero index materials for near infrared thermal radiation", Proc. SPIE PC12887, Oxide-based Materials and Devices XV, PC128870K (16 March 2024); https://doi.org/10.1117/12.3001401
Advertisement
Advertisement
KEYWORDS
Near infrared

Barium

Emission wavelengths

Optical properties

Thermal stability

Zinc oxide

Metals

Back to Top