Sliding Ferroelectric Metals: An Emerging Frontier.
- 1School of Physics and Optoelectronic Engineering, Chongqing Normal University, Chongqing, People's Republic of China.
- 2Institute For Superconducting and Electronic Materials, Faculty of Engineering and Information Sciences, University of Wollongong, Wollongong, New South Wales, Australia.
- 3School of Physical Science and Technology, Southwest University, Chongqing, People's Republic of China.
Abstract
Sliding ferroelectric (FE) metals have emerged as a distinct paradigm in which interlayer sliding enables switchable out-of-plane polarization in a metallic state, overcoming the conventional incompatibility between FE switching and metallicity. This Perspective traces the development of this field from its foundation in nonmagnetic systems, including 1T'-WTe₂ and Td-MoTe₂, in which switchable polarization coexists with metallic electronic states and enables Berry curvature memory and electrically controlled superconductivity. Recent extensions to systems hosting compensated magnetic orders are also discussed. Representative material platforms further reveal that these magnetic sliding FE metals can host triply-coupled switching, sizable linear magnetoelectric coupling, and electrically tunable anomalous transport properties. Critical challenges to translating these advances into practical applications are further identified, encompassing material discovery, experimental verification of triply-coupled switching, and the development of spintronic devices.
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BibTeX
@article{yang2026sliding,
title = {{Sliding Ferroelectric Metals: An Emerging Frontier.}},
author = {Ying Yang and Zhenzhou Guo and Xia Cheng and Xiaotian Wang},
journal = {Advanced science (Weinheim, Baden-Wurttemberg, Germany)},
year = {2026},
month = oct,
doi = {10.1002/advs.78232},
url = {https://europepmc.org/article/MED/42875825},
note = {CC BY},
}
RIS
TY - JOUR
TI - Sliding Ferroelectric Metals: An Emerging Frontier.
AU - Ying Yang
AU - Zhenzhou Guo
AU - Xia Cheng
AU - Xiaotian Wang
PY - 2026
DA - 2026/10/14
JO - Advanced science (Weinheim, Baden-Wurttemberg, Germany)
DO - 10.1002/advs.78232
UR - https://europepmc.org/article/MED/42875825
AB - Sliding ferroelectric (FE) metals have emerged as a distinct paradigm in which interlayer sliding enables switchable out-of-plane polarization in a metallic state, overcoming the conventional incompatibility between FE switching and metallicity. This Perspective traces the development of this field from its foundation in nonmagnetic systems, including 1T'-WTe₂ and Td-MoTe₂, in which switchable polarization coexists with metallic electronic states and enables Berry curvature memory and electrically controlled superconductivity. Recent extensions to systems hosting compensated magnetic orders are also discussed. Representative material platforms further reveal that these magnetic sliding FE metals can host triply-coupled switching, sizable linear magnetoelectric coupling, and electrically tunable anomalous transport properties. Critical challenges to translating these advances into practical applications are further identified, encompassing material discovery, experimental verification of triply-coupled switching, and the development of spintronic devices.
SN - 2198-3844
ER -