Journal
APPLIED PHYSICS LETTERS
Volume 94, Issue 10, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3089569
Keywords
magnetic domain walls; magnetisation; magnetoelectronics; nanostructured materials; spin polarised transport; stochastic processes; thermomagnetic effects
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Funding
- ISTRADE of the French National Research Agency (ANR)
- Region Lorraine
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Telegraph noise induced by stochastic domain wall nucleation, pinning, and annihilation in the presence of spin transfer torque is observed in nanopillar spin valves with perpendicular anisotropy. By measuring the dwell times corresponding to domain wall pinning and to domain wall nucleation, the telegraph noise is found to be consistent with thermal activation over an effective potential barrier.
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