Ionic-Liquid-Gating Induced Protonation and Superconductivity in FeSe, FeSe0.93S0.07, ZrNCl, 1T-TaS2 and Bi2Se3 *
Abstract
We report protonation in several compounds by an ionic-liquid-gating method, under optimized gating conditions. This leads to single superconducting phases for several compounds. Non-volatility of protons allows post-gating magnetization and transport measurements. The superconducting transition temperature Tc is enhanced to 43.5 K for FeSe0.93S0.07, and 41 K for FeSe after protonation. Superconducting transitions with Tc ~ 15 K for ZrNCl, ~7.2 K for 1T-TaS2, and ~3.8 K for Bi2Se3 are induced after protonation. Electric transport in protonated FeSe0.93S0.07 confirms high-temperature superconductivity. Our 1H nuclear magnetic resonance (NMR) measurements on protonated FeSe1-xSx reveal enhanced spin-lattice relaxation rate 1/1 T1 with increasing x, which is consistent with the LDA calculations that H+ is located in the interstitial sites close to the anions.
- Authors:
-
- North China Electric Power Univ., Beijing (China). School of Mathematics and Physics; Renmin Univ., Beijing (China). Dept. of Physics, and Beijing Key Lab. of Optoelectronic Functional Materials & Micro-nano Devices
- Renmin Univ., Beijing (China). Dept. of Physics, and Beijing Key Lab. of Optoelectronic Functional Materials & Micro-nano Devices
- North China Electric Power Univ., Beijing (China). School of Mathematics and Physics
- Peking Univ., Beijing (China). International Center for Quantum Materials, School of Physics
- Nanjing Univ., Nanjing (China). National Lab. of Solid State Microstructures and Dept. of Physics
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science and Technology Division
- Chinese Academy of Sciences, Beijing (China). Beijing National Lab. for Condensed Matter Physics and Institute of Physics
- Peking Univ., Beijing (China). International Center for Quantum Materials, School of Physics; Collaborative Innovation Center of Quantum Matter, Beijing (China)
- Nanjing Univ., Nanjing (China). National Lab. of Solid State Microstructures and Dept. of Physics; Nanjing Univ. (China). Innovative Center for Advanced Microstructures
- Collaborative Innovation Center of Quantum Matter, Beijing (China); Tsinghua Univ., Beijing (China). State Key Lab. of Low Dimensional Quantum Physics and Dept. of Physics
- Publication Date:
- Research Org.:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1564119
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Chinese Physics Letters
- Additional Journal Information:
- Journal Volume: 36; Journal Issue: 7; Journal ID: ISSN 0256-307X
- Publisher:
- IOP Publishing
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Citation Formats
Cui, Yi, Hu, Ze, Zhang, Jin-Shan, Ma, Wen-Long, Ma, Ming-Wei, Ma, Zhen, Wang, Cong, Yan, Jia-Qiang, Sun, Jian-Ping, Cheng, Jin-Guang, Jia, Shuang, Li, Yuan, Wen, Jin-Sheng, Lei, He-Chang, Yu, Pu, Ji, Wei, and Yu, Wei-Qiang. Ionic-Liquid-Gating Induced Protonation and Superconductivity in FeSe, FeSe0.93S0.07, ZrNCl, 1T-TaS2 and Bi2Se3 *. United States: N. p., 2019.
Web. doi:10.1088/0256-307X/36/7/077401.
Cui, Yi, Hu, Ze, Zhang, Jin-Shan, Ma, Wen-Long, Ma, Ming-Wei, Ma, Zhen, Wang, Cong, Yan, Jia-Qiang, Sun, Jian-Ping, Cheng, Jin-Guang, Jia, Shuang, Li, Yuan, Wen, Jin-Sheng, Lei, He-Chang, Yu, Pu, Ji, Wei, & Yu, Wei-Qiang. Ionic-Liquid-Gating Induced Protonation and Superconductivity in FeSe, FeSe0.93S0.07, ZrNCl, 1T-TaS2 and Bi2Se3 *. United States. https://doi.org/10.1088/0256-307X/36/7/077401
Cui, Yi, Hu, Ze, Zhang, Jin-Shan, Ma, Wen-Long, Ma, Ming-Wei, Ma, Zhen, Wang, Cong, Yan, Jia-Qiang, Sun, Jian-Ping, Cheng, Jin-Guang, Jia, Shuang, Li, Yuan, Wen, Jin-Sheng, Lei, He-Chang, Yu, Pu, Ji, Wei, and Yu, Wei-Qiang. Sat .
"Ionic-Liquid-Gating Induced Protonation and Superconductivity in FeSe, FeSe0.93S0.07, ZrNCl, 1T-TaS2 and Bi2Se3 *". United States. https://doi.org/10.1088/0256-307X/36/7/077401. https://www.osti.gov/servlets/purl/1564119.
@article{osti_1564119,
title = {Ionic-Liquid-Gating Induced Protonation and Superconductivity in FeSe, FeSe0.93S0.07, ZrNCl, 1T-TaS2 and Bi2Se3 *},
author = {Cui, Yi and Hu, Ze and Zhang, Jin-Shan and Ma, Wen-Long and Ma, Ming-Wei and Ma, Zhen and Wang, Cong and Yan, Jia-Qiang and Sun, Jian-Ping and Cheng, Jin-Guang and Jia, Shuang and Li, Yuan and Wen, Jin-Sheng and Lei, He-Chang and Yu, Pu and Ji, Wei and Yu, Wei-Qiang},
abstractNote = {We report protonation in several compounds by an ionic-liquid-gating method, under optimized gating conditions. This leads to single superconducting phases for several compounds. Non-volatility of protons allows post-gating magnetization and transport measurements. The superconducting transition temperature Tc is enhanced to 43.5 K for FeSe0.93S0.07, and 41 K for FeSe after protonation. Superconducting transitions with Tc ~ 15 K for ZrNCl, ~7.2 K for 1T-TaS2, and ~3.8 K for Bi2Se3 are induced after protonation. Electric transport in protonated FeSe0.93S0.07 confirms high-temperature superconductivity. Our 1H nuclear magnetic resonance (NMR) measurements on protonated FeSe1-xSx reveal enhanced spin-lattice relaxation rate 1/1 T1 with increasing x, which is consistent with the LDA calculations that H+ is located in the interstitial sites close to the anions.},
doi = {10.1088/0256-307X/36/7/077401},
journal = {Chinese Physics Letters},
number = 7,
volume = 36,
place = {United States},
year = {Sat Jun 01 00:00:00 EDT 2019},
month = {Sat Jun 01 00:00:00 EDT 2019}
}
Web of Science
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