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April 29, 2026Nature CommunicationsOpen Access

Observation of room-temperature multiferroicity with strong magnetoelectric coupling in hafnia thin films

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Authors

HZHaiyi ZhangHBHaifeng BuDZDehe Zhang

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Overview

Observation of multiferroicity and strong magnetoelectric coupling in Cr-doped hafnia thin films, suggesting new device applications.

Key Points

  • This research aims to achieve room-temperature multiferroicity in single-phase Cr-doped hafnia thin films.
  • Synthesis of Cr-doped HfO2 films
  • Characterization of ferroelectric and ferromagnetic properties
  • Measurement of magnetoelectric coupling under external magnetic fields
  • Room-temperature multiferroicity observed in Cr-doped HfO2 films
  • Correlation between ferroelectric and ferromagnetic orders established
  • Magnetoelectric coupling coefficient of ~100 Vcm-1Oe-1 recorded

Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/69f154e0879cb923c494526chttps://doi.org/10.1038/s41467-026-72456-y
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