Yongjin Cho, Su Jae Kim, Min-Hyoung Jung, Yousil Lee, Hu Young Jeong, Young-Min Kim, Hu-Jong Lee, Seong-Gon Kim, Se-Young Jeong, Gil-Ho Lee. "Ballistic transport in nanodevices based on single-crystalline Cu thin films." Nature Communications, 2026. doi:10.1038/s41467-026-70252-2