Holographic Magnetic Imaging of Single-Layer Nanocontact Spin-Transfer Oscillators

Parra, Erick O. Burgos (author)

Bukin, Nick (author)

Dupraz, Maxime (author)

Beutier, Guillaume (author)

Popescu, Horia (author)

Cavill, Stuart A. (author)

Jaouen, Nicolas (author)

Keatley, Paul S. (author)

Hicken, Robert J. (author)

van der Laan, Gerrit (author)

Ogrin, Feodor Y. (author)

(creator_code:org_t)

IEEE, 2016
2016
English.
In: IEEE transactions on magnetics. - : IEEE. - 0018-9464 .- 1941-0069. ; 52:7

Related links:: https://urn.kb.se/re...; show more...; https://doi.org/10.1...; show less...

Abstract Subject headings

Time-averaged images of the magnetization within single-layer spin-transfer oscillators have been obtained using the holography with extended reference by autocorrelation linear differential operator technique. Transport measurements on a Pd(5)-Cu(20)-Ni81Fe19(7)-Cu(2)-Pd(2) (in nanometers) stack with a 100 nm diameter nanocontact reveal the presence of vortex dynamics. Magnetic images of the device for injected current values of 24 and -24 mA suggest that a vortex has been ejected from the nanocontact and become pinned at the edge of the region that is visible through the Au mask.

By the author/editor: Parra, Erick O. ...; Bukin, Nick; Dupraz, Maxime; Beutier, Guillau ...; Sani, Sohrab Red ...; Popescu, Horia; show more...; Cavill, Stuart A ...; Åkerman, Johan; Jaouen, Nicolas; Keatley, Paul S.; Hicken, Robert J ...; van der Laan, Ge ...; Ogrin, Feodor Y.; show less...

About the subject

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