Anomalous normal state gap in an electron-doped cuprate
Abstract/Contents
- Abstract
- In the underdoped n-type cuprate Nd2-xCexCuO4, long-ranged antiferromagnetic order reconstructs the Fermi surface, resulting in a putative antiferromagnetic metal with small pockets. Using angle-resolved photoemission spectroscopy, we observe an anomalous energy gap, an order of magnitude smaller than the antiferromagnetic gap, in a wide range of the underdoped regime and smoothly connecting to the superconducting gap at optimal doping. After carefully considering all the known ordering tendencies in tandem with the phase diagram, we hypothesize that the normal state gap in the underdoped n-type cuprates originates from Cooper pairing. The high temperature scale of the normal state gap raises the prospect of engineering higher transition temperatures in the n-type cuprates comparable to that of the p-type cuprates.
Description
| Type of resource | Dataset, text |
|---|---|
| Date created | [ca. November 2023] |
| Date modified | March 22, 2024 |
| Publication date | November 25, 2023 |
Creators/Contributors
| Author | Xu, Ke-Jun |
|---|---|
| Author | He, Junfeng |
| Author | Chen, Su-Di |
| Author | He, Yu |
| Author | Abadi, Sebastien |
| Author | Rotundu, Costel |
| Author | Lee, Young |
| Author | Lu, Dong-Hui |
| Author | Guo, Qinda |
| Author | Tjernberg, Oscar |
| Author | Devereaux, Thomas |
| Author | Lee, Dung-Hai |
| Author | Hashimoto, Makoto |
| Author | Shen, Zhi-Xun |
Subjects
| Subject | Angle-resolved photoemission spectroscopy |
|---|---|
| Subject | High temperature superconductivity |
| Genre | Data |
| Genre | Documentation |
| Genre | Tabular data |
| Genre | Code |
| Genre | Data sets |
| Genre | Dataset |
| Genre | Tables (data) |
| Genre | Computer program |
Bibliographic information
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- User agrees that, where applicable, content will not be used to identify or to otherwise infringe the privacy or confidentiality rights of individuals. Content distributed via the Stanford Digital Repository may be subject to additional license and use restrictions applied by the depositor.
- License
- This work is licensed under a Creative Commons Attribution 4.0 International license (CC BY).
Preferred citation
- Preferred citation
- Xu, K., He, J., Chen, S., He, Y., Abadi, S., Rotundu, C., Lee, Y., Lu, D., Guo, Q., Tjernberg, O., Devereaux, T., Lee, D., Hashimoto, M., and Shen, Z. (2023). Anomalous normal state gap in an electron-doped cuprate . Stanford Digital Repository. Available at https://purl.stanford.edu/ct843nw2177. https://doi.org/10.25740/ct843nw2177.
Collection
Stanford Research Data
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- Contact
- kjxu@stanford.edu
- xkj868@gmail.com
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