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Manipulating magnetoelectric energy landscape in multiferroics

Author

Listed:
  • Yen-Lin Huang

    (University of California, Berkeley
    Lawrence Berkeley Laboratory)

  • Dmitri Nikonov

    (Components Research, Intel Corp.)

  • Christopher Addiego

    (University of California, Irvine)

  • Rajesh V. Chopdekar

    (Lawrence Berkeley National Laboratory)

  • Bhagwati Prasad

    (University of California, Berkeley)

  • Lei Zhang

    (University of California, Berkeley)

  • Jyotirmoy Chatterjee

    (University of California, Berkeley)

  • Heng-Jui Liu

    (National Chung Hsing University)

  • Alan Farhan

    (Aalto University School of Science)

  • Ying-Hao Chu

    (National Chaio Tung University)

  • Mengmeng Yang

    (University of California, Berkeley)

  • Maya Ramesh

    (University of California, Irvine)

  • Zi Qiang Qiu

    (University of California, Berkeley)

  • Bryan D. Huey

    (University of Connecticut)

  • Chia-Ching Lin

    (Components Research, Intel Corp.)

  • Tanay Gosavi

    (Components Research, Intel Corp.)

  • Jorge Íñiguez

    (Luxembourg Institute of Science and Technology (LIST), 5 avenue des Hauts-Fourneaux
    University of Luxembourg, 41, rue du Brill)

  • Jeffrey Bokor

    (University of California, Berkeley)

  • Xiaoqing Pan

    (University of California, Irvine
    University of California, Irvine
    University of California, Irvine)

  • Ian Young

    (Components Research, Intel Corp.)

  • Lane W. Martin

    (University of California, Berkeley
    Lawrence Berkeley Laboratory)

  • Ramamoorthy Ramesh

    (University of California, Berkeley
    Lawrence Berkeley Laboratory
    University of California, Berkeley)

Abstract

Magnetoelectric coupling at room temperature in multiferroic materials, such as BiFeO3, is one of the leading candidates to develop low-power spintronics and emerging memory technologies. Although extensive research activity has been devoted recently to exploring the physical properties, especially focusing on ferroelectricity and antiferromagnetism in chemically modified BiFeO3, a concrete understanding of the magnetoelectric coupling is yet to be fulfilled. We have discovered that La substitutions at the Bi-site lead to a progressive increase in the degeneracy of the potential energy landscape of the BiFeO3 system exemplified by a rotation of the polar axis away from the 〈111〉pc towards the 〈112〉pc discretion. This is accompanied by corresponding rotation of the antiferromagnetic axis as well, thus maintaining the right-handed vectorial relationship between ferroelectric polarization, antiferromagnetic vector and the Dzyaloshinskii-Moriya vector. As a consequence, La-BiFeO3 films exhibit a magnetoelectric coupling that is distinctly different from the undoped BiFeO3 films.

Suggested Citation

  • Yen-Lin Huang & Dmitri Nikonov & Christopher Addiego & Rajesh V. Chopdekar & Bhagwati Prasad & Lei Zhang & Jyotirmoy Chatterjee & Heng-Jui Liu & Alan Farhan & Ying-Hao Chu & Mengmeng Yang & Maya Rames, 2020. "Manipulating magnetoelectric energy landscape in multiferroics," Nature Communications, Nature, vol. 11(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-16727-2
    DOI: 10.1038/s41467-020-16727-2
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    Cited by:

    1. Sajid Husain & Isaac Harris & Guanhui Gao & Xinyan Li & Peter Meisenheimer & Chuqiao Shi & Pravin Kavle & Chi Hun Choi & Tae Yeon Kim & Deokyoung Kang & Piush Behera & Didier Perrodin & Hua Guo & Jame, 2024. "Low-temperature grapho-epitaxial La-substituted BiFeO3 on metallic perovskite," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    2. Martin F. Sarott & Marta D. Rossell & Manfred Fiebig & Morgan Trassin, 2022. "Multilevel polarization switching in ferroelectric thin films," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    3. Qiwu Shi & Eric Parsonnet & Xiaoxing Cheng & Natalya Fedorova & Ren-Ci Peng & Abel Fernandez & Alexander Qualls & Xiaoxi Huang & Xue Chang & Hongrui Zhang & David Pesquera & Sujit Das & Dmitri Nikonov, 2022. "The role of lattice dynamics in ferroelectric switching," Nature Communications, Nature, vol. 13(1), pages 1-10, December.

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