Xu, Y., Oyoshi, K., Yoshikawa, H., Takeya, H., Amekura, H., Yamamoto, T. D., Matsushita, Y., Belik, A. A., Tanaka, M., Saito, A. T., Kamiya, K., Takeda, Y. (2026). Enhancing hydrogen permeation barrier performance of ErCo2 magnetic refrigeration material via surface oxide layer formation. Nature Communications. https://doi.org/10.1038/s41467-026-71547-0