Switching behavior in peramlloy/niobium/permalloy trilayer
- Switching behavior in peramlloy/niobium/permalloy trilayer
- 김동호; 황태종
- Cryogenics; Alternating magnetic field; Effect of temperature; Ferromagnetic moments; Pseudo spin valves; Resistance change; Stray field; Switch effects; Switching behaviors; Nickel alloys
- Issue Date
- Progress in Superconductivity and Cryogenics (PSAC), v.16, no.4, pp.17 - 20
- We have investigated the effect of temperature and bias current on the stability of the inverse spin-switch effect in Permalloy(Py)/Nb/Permalloy pseudo spin-valves. The inverse spin-switch operates between two orientations of the ferromagnetic moments of Py layers; parallel (ON) and antiparallel-domain (OFF) state. Measuring time scans of the resistance changes between the ON and OFF state, ��RON-OFF, while alternating magnetic fields between the two states at various temperatures and bias currents, revealed that enhancement of ��RON-OFF is a key factor to achieve successful operation of superconducting spin switch. ? 2014 Korea Institute of Applied Superconductivity and Cryogenics. All rights reserved.
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