Pressure Effects on Magnetic and Transport Properties in CoFe-Based Spin Valve

Akihiro Mitsuda, Motoki Kaneda, Kanta Matsutomo, Takashi Kimura, Hiromi Yuasa

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

<p>We have studied the magnetoresistance of an enhanced-biased spin valve device under high pressure. The magnetoresistance decreases by 0.0014 up to 2 GPa with increasing pressure, which is inferred to be due to slight deviation from an antiparallel-spin configuration of the free and pinned layers. In the pressure range between 2 and 2.75 GPa, the exchange bias field generated in the pinned layer decreases and the coercivity of the free layers clearly increases by ∼5 Oe, which is likely to be related to less hydrostatic pressure.</p>
Original languageEnglish
Pages (from-to)1483-1486
Number of pages4
JournalMaterials Transactions
Volume61
Issue number8
DOIs
Publication statusPublished - 2020

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