Heteroepitaxial control of Fermi liquid, Hund metal, and Mott insulator phases in the single-atomic-layer limit

Jeong Rae Kim,1, 2, ∗ Byungmin Sohn,1, 2, 3, ∗ Hyeong Jun Lee,4, ∗ Sangmin Lee,5 Eun Kyo Ko,1, 2 Sungsoo Hahn,1, 2 Sangjae Lee,1 Younsik Kim,1, 2 Donghan Kim,1, 2 Hong Joon Kim,1, 2 Youngdo Kim,1, 2 Jaeseok Son,1, 2 Charles H. Ahn,3, 6 Frederick J. Walker,3 Ara Go,7 Miyoung Kim,5 Choong H. Kim,1, 2, † Changyoung Kim,1, 2, ‡ and Tae Won Noh1, 2, § Center for Correlated Electron Systems, Institute for Basic Science, Seoul 08826, Korea Department of Physics and Astronomy, Seoul National University, Seoul 08826, Korea Department of Applied Physics, Yale University, New Haven, Connecticut 06520, USA Center for Theoretical Physics of Complex Systems, Institute for Basic Science (IBS), Daejeon 34126, Republic of Korea Department of Materials Science and Engineering and Research Institute of Advanced Materials, Seoul National University, Seoul 08826, Korea Department of Physics, Yale University, New Haven, Connecticut 06520, USA Department of Physics, Chonnam National University, Gwangju 61186, Republic of Korea (Dated: March 9, 2022)