The present invention relates to an intermetallic alloy series having a large exchange bias effect, comprising the formula Mn50Ni42-δSn8+δ (δ = 0, −0.25 and ±0.5) wherein δ represents an atomic percentage content.The present invention further relates to a process for the preparation of intermetallic alloy series having a large exchange bias effect, comprising the formula Mn50Ni42-δSn8+δ (δ = 0, −0.25 and ±0.5) by arc melt technology.

Applications/Domains

1. Tunnel magnetoresistance (TMR) junction devices 2. Shape memory alloys 3. Electronic spin-based magnetic heads/devices 4. Giant magneto-resistance spin heads/sensor devices 5. Spin-transfer torque magnetic random access memory (STTRAM)