Abstract

We report structural and magnetic properties of Co(Cr1−xCox)2O4(x=0.0–0.1). The thermal hysteresis has been observed both across magnetostructural transition (TS) and lock-in transition (TL). We observe noticeable Exchange bias (EB) only below the lock-in transition, TL. The value of coercivity also shows the dramatical increase below TL. These results have been discussed in the context of incommensurate to commensurate non-collinear spin-spiral transitions across TL.

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