Manipulation of Exchange Bias Effect via All-Solid-State Li -Ion Redox Capacitor with Antiferromagnetic Electrode
| Autor: | Huali Yang, Baomin Wang, D. Pravarthana, Zeeshan Mustafa, Run-Wei Li |
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| Rok vydání: | 2020 |
| Předmět: |
Materials science
Condensed matter physics Spintronics General Physics and Astronomy Heterojunction 02 engineering and technology 021001 nanoscience & nanotechnology 01 natural sciences Ion Anode Exchange bias Electric field 0103 physical sciences Electrode Antiferromagnetism 010306 general physics 0210 nano-technology |
| Zdroj: | Physical Review Applied. 14 |
| ISSN: | 2331-7019 |
| DOI: | 10.1103/physrevapplied.14.014062 |
| Popis: | The electric field control of the exchange bias has considerable application scope in modern spintronic devices such as magnetic random-access memories. Herein, we utilize an all-solid-state $\mathrm{Li}$-ion redox capacitor with an antiferromagnetic electrode for reversible control of the exchange bias in a $\mathrm{Co}/{\mathrm{Co}}_{3}{\mathrm{O}}_{4}$ heterostructure. The controlled intercalation and deintercalation of Li ions in the antiferromagnetic ${\mathrm{Co}}_{3}{\mathrm{O}}_{4}$ anode via galvanostatic charge and discharge enables reversible and nonvolatile control of the exchange bias. The mechanism of exchange-bias control in the $\mathrm{Co}/{\mathrm{Co}}_{3}{\mathrm{O}}_{4}$ heterostructure is studied using various characterization techniques. This work establishes an approach to control the exchange bias in all-solid-state magnetoionics, which is of great practical importance for the development of modern spintronic devices. |
| Databáze: | OpenAIRE |
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