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Title: Observation of nearly identical superconducting transition temperatures in the pressurized Weyl semimetals MIrTe4 (M=Nb and Ta)

Abstract

In this work, we report the observation of pressure-induced superconductivity in type-II Weyl semimetal (WSM) candidate NbIrTe4 and the evolution of its Hall coefficient (RH), magnetoresistance (MR), and lattice with increasing pressure to ~ 63 GPa. These results provide a significant opportunity to investigate the universal high-pressure behavior of ternary WSMs, including the sister compound TaIrTe4 that has been known through our previous studies. We find that the pressure-tuned evolution from the WSM to the superconducting (SC) state in these two compounds exhibit the same trend, i.e., a pressure-induced SC state emerges from the matrix of the non-superconducting WSM state at ~ 27 GPa, and then the WSM state and the SC state coexist up to 40 GPa. Above this pressure, an identical high-pressure behavior, characterized by almost the same value of RH and MR in its normal state and the same value of Tc in its SC state, appears in both compounds. Our results not only reveal the evolution from the WSM state to the SC state, but also demonstrate that NbIrTe4 and TaIrTe4 can make the same contribution to the normal and SC states that inhabit in the high-pressure phase, although these two compounds have dramatically different bandmore » structure at ambient pressure.« less

Authors:
 [1];  [2]; ORCiD logo [3];  [3];  [4]; ORCiD logo [1];  [5];  [2];  [1];  [1];  [2];  [2];  [2];  [1];  [6]; ORCiD logo [6]
  1. Chinese Academy of Sciences (CAS), Beijing (China); University of Chinese Academy of Sciences, Beijing (China)
  2. Chinese Academy of Sciences (CAS), Beijing (China)
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  4. Florida State Univ., Tallahassee, FL (United States). National High Magnetic Field Lab. (MagLab)
  5. Chinese Academy of Sciences (CAS), Beijing (China); Songshan Lake Materials Laboratory, Guangdong (China)
  6. Chinese Academy of Sciences (CAS), Beijing (China); University of Chinese Academy of Sciences, Beijing (China); Songshan Lake Materials Laboratory, Guangdong (China)
Publication Date:
Research Org.:
Florida State Univ., Tallahassee, FL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities Division; National Science Foundation (NSF); National Natural Science Foundation of China (NSFC); Chinese Academy of Sciences; National Key Research and Development Program of China; China Postdoctoral Science Foundation
OSTI Identifier:
1825523
Grant/Contract Number:  
SC0002613; DMR-1644779; U2032214; 11888101; 12004419; XDB25000000; 2017YFA0302900; 2017YFA0303103; 2020HSC-UE015; E0BK111; 2019008
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 104; Journal Issue: 14; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Long, Sijin, Cai, Shu, Schönemann, Rico, Rosa, Priscila F. S., Balicas, Luis, Huang, Cheng, Guo, Jing, Zhou, Yazhou, Han, Jinyu, Zhou, Liqin, Li, Yanchun, Li, Xiaodong, Wu, Qi, Weng, Hongming, Xiang, Tao, and Sun, Liling. Observation of nearly identical superconducting transition temperatures in the pressurized Weyl semimetals MIrTe4 (M=Nb and Ta). United States: N. p., 2021. Web. doi:10.1103/physrevb.104.144503.
Long, Sijin, Cai, Shu, Schönemann, Rico, Rosa, Priscila F. S., Balicas, Luis, Huang, Cheng, Guo, Jing, Zhou, Yazhou, Han, Jinyu, Zhou, Liqin, Li, Yanchun, Li, Xiaodong, Wu, Qi, Weng, Hongming, Xiang, Tao, & Sun, Liling. Observation of nearly identical superconducting transition temperatures in the pressurized Weyl semimetals MIrTe4 (M=Nb and Ta). United States. https://doi.org/10.1103/physrevb.104.144503
Long, Sijin, Cai, Shu, Schönemann, Rico, Rosa, Priscila F. S., Balicas, Luis, Huang, Cheng, Guo, Jing, Zhou, Yazhou, Han, Jinyu, Zhou, Liqin, Li, Yanchun, Li, Xiaodong, Wu, Qi, Weng, Hongming, Xiang, Tao, and Sun, Liling. Mon . "Observation of nearly identical superconducting transition temperatures in the pressurized Weyl semimetals MIrTe4 (M=Nb and Ta)". United States. https://doi.org/10.1103/physrevb.104.144503. https://www.osti.gov/servlets/purl/1825523.
@article{osti_1825523,
title = {Observation of nearly identical superconducting transition temperatures in the pressurized Weyl semimetals MIrTe4 (M=Nb and Ta)},
author = {Long, Sijin and Cai, Shu and Schönemann, Rico and Rosa, Priscila F. S. and Balicas, Luis and Huang, Cheng and Guo, Jing and Zhou, Yazhou and Han, Jinyu and Zhou, Liqin and Li, Yanchun and Li, Xiaodong and Wu, Qi and Weng, Hongming and Xiang, Tao and Sun, Liling},
abstractNote = {In this work, we report the observation of pressure-induced superconductivity in type-II Weyl semimetal (WSM) candidate NbIrTe4 and the evolution of its Hall coefficient (RH), magnetoresistance (MR), and lattice with increasing pressure to ~ 63 GPa. These results provide a significant opportunity to investigate the universal high-pressure behavior of ternary WSMs, including the sister compound TaIrTe4 that has been known through our previous studies. We find that the pressure-tuned evolution from the WSM to the superconducting (SC) state in these two compounds exhibit the same trend, i.e., a pressure-induced SC state emerges from the matrix of the non-superconducting WSM state at ~ 27 GPa, and then the WSM state and the SC state coexist up to 40 GPa. Above this pressure, an identical high-pressure behavior, characterized by almost the same value of RH and MR in its normal state and the same value of Tc in its SC state, appears in both compounds. Our results not only reveal the evolution from the WSM state to the SC state, but also demonstrate that NbIrTe4 and TaIrTe4 can make the same contribution to the normal and SC states that inhabit in the high-pressure phase, although these two compounds have dramatically different band structure at ambient pressure.},
doi = {10.1103/physrevb.104.144503},
journal = {Physical Review B},
number = 14,
volume = 104,
place = {United States},
year = {Mon Oct 11 00:00:00 EDT 2021},
month = {Mon Oct 11 00:00:00 EDT 2021}
}

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