Nature Communications (Nov 2022)
Valence-skipping and quasi-two-dimensionality of superconductivity in a van der Waals insulator
- Caorong Zhang,
- Junwei Huang,
- Kun Zhai,
- Keivan Akhtari,
- Zhiwei Shen,
- Lingyi Ao,
- Zeya Li,
- Feng Qin,
- Yukai Chang,
- Ling Zhou,
- Ming Tang,
- Xueting Dai,
- Caiyu Qiu,
- Yi Zhang,
- Lin Wang,
- Zhongyuan Liu,
- Yongjun Tian,
- Mohammad Saeed Bahramy,
- Hongtao Yuan
Affiliations
- Caorong Zhang
- National Laboratory of Solid State Microstructures & College of Engineering and Applied Sciences, Nanjing University
- Junwei Huang
- National Laboratory of Solid State Microstructures & College of Engineering and Applied Sciences, Nanjing University
- Kun Zhai
- Center for High Pressure Science, Yanshan University
- Keivan Akhtari
- Department of Physics, University of Kurdistan
- Zhiwei Shen
- Center for High Pressure Science, Yanshan University
- Lingyi Ao
- National Laboratory of Solid State Microstructures & College of Engineering and Applied Sciences, Nanjing University
- Zeya Li
- National Laboratory of Solid State Microstructures & College of Engineering and Applied Sciences, Nanjing University
- Feng Qin
- National Laboratory of Solid State Microstructures & College of Engineering and Applied Sciences, Nanjing University
- Yukai Chang
- Center for High Pressure Science, Yanshan University
- Ling Zhou
- National Laboratory of Solid State Microstructures & College of Engineering and Applied Sciences, Nanjing University
- Ming Tang
- National Laboratory of Solid State Microstructures & College of Engineering and Applied Sciences, Nanjing University
- Xueting Dai
- National Laboratory of Solid State Microstructures & College of Engineering and Applied Sciences, Nanjing University
- Caiyu Qiu
- National Laboratory of Solid State Microstructures & College of Engineering and Applied Sciences, Nanjing University
- Yi Zhang
- School of Physics, Nanjing University
- Lin Wang
- Center for High Pressure Science, Yanshan University
- Zhongyuan Liu
- Center for High Pressure Science, Yanshan University
- Yongjun Tian
- Center for High Pressure Science, Yanshan University
- Mohammad Saeed Bahramy
- Department of Physics and Astronomy, The University of Manchester
- Hongtao Yuan
- National Laboratory of Solid State Microstructures & College of Engineering and Applied Sciences, Nanjing University
- DOI
- https://doi.org/10.1038/s41467-022-34726-3
- Journal volume & issue
-
Vol. 13,
no. 1
pp. 1 – 9
Abstract
Fluctuation of the cation valence state plays a crucial role in emergent quantum phenomena in correlated electron systems. Here, the authors demonstrate a valence-fluctuation-driven insulator-to-superconductor transition in the van der Waals insulator GeP as a function of hydrostatic pressure.
