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Title: Discovery of dome-shaped superconducting phase and anisotropic transport in a van der Waals layered candidate NbIrTe₄ under pressure
Authors: Jin, Meiling
Yu, Peng
Fan, Changzeng
Li, Qiang
Kong, Panlong
Shen, Zhiwei
Qin, Xiaomei
Chi, Zhenhua
Jin, Changqing
Liu, Guangtong
Zhong, Guyue
Xu, Gang
Liu, Zheng
Zhu, Jinlong
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2021
Source: Jin, M., Yu, P., Fan, C., Li, Q., Kong, P., Shen, Z., Qin, X., Chi, Z., Jin, C., Liu, G., Zhong, G., Xu, G., Liu, Z. & Zhu, J. (2021). Discovery of dome-shaped superconducting phase and anisotropic transport in a van der Waals layered candidate NbIrTe₄ under pressure. Advanced Science, 2103250-.
Project: NRF-CRP21-2018-0007 
NRF-CRP22-2019- 0007 
Journal: Advanced Science 
Abstract: The unique electronic structure and crystal structure driven by external pressure in transition metal tellurides (TMTs) can host unconventional quantum states. Here, the discovery of pressure-induced phase transition at ≈2 GPa, and dome-shaped superconducting phase emerged in van der Waals layered NbIrTe4 is reported. The highest critical temperature (Tc ) is ≈5.8 K at pressure of ≈16 GPa, where the interlayered Te-Te covalent bonds form simultaneously derived from the synchrotron diffraction data, indicating the hosting structure of superconducting evolved from low-pressure two-dimensional (2D) phase to three-dimensional (3D) structure with pressure higher than 30 GPa. Strikingly, the authors have found an anisotropic transport in the vicinity of the superconducting state, suggesting the emergence of a "stripe"-like phase. The dome-shaped superconducting phase and anisotropic transport are possibly due to the spatial modulation of interlayer Josephson coupling .
ISSN: 2198-3844
DOI: 10.1002/advs.202103250
Rights: © 2021 The Authors. Advanced Science published by Wiley-VCH GmbH. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles
MSE Journal Articles

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