Magnetoelectric switching energy in Cr2O3/Pt/Co perpendicular exchange coupled thin film system with small Cr2O3 magnetization

Tomohiro Nozaki, Muftah Al-Mahdawi, Satya Prakash Pati, Shujun Ye, Yohei Shiokawa, Masashi Sahashi

研究成果: ジャーナルへの寄稿学術誌査読

17 被引用数 (Scopus)

抄録

We investigated perpendicular exchange bias switching by a magnetoelectric field cooling process in a Pt-spacer-inserted Cr2O3/Co exchangecoupled system exhibiting small Cr2O3 magnetization. Although higher magnetoelectric switching energies with decreasing Cr2O3 thickness due to the exchange bias were reported in Cr2O3/Co all-thin-film systems, in this study, we demonstrated low-energy switching in a magnetoelectric field cool process regardless of the exchange-bias magnitude; we balanced the exchange-bias energy with the Zeeman energy associated with finite magnetization in Cr2O3. We proposed a guideline for realizing low-energy switching in thin Cr2O3 samples.

本文言語英語
論文番号070302
ジャーナルJapanese journal of applied physics
56
7
DOI
出版ステータス出版済み - 7月 2017

!!!All Science Journal Classification (ASJC) codes

  • 工学(全般)
  • 物理学および天文学(全般)

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