Pseudo spin valves using a (112)-Textured D022 Mn2.3-2.4Ga fixed layerShow others and affiliations
2010 (English)In: IEEE Magnetics Letters, ISSN 1949-307X, E-ISSN 1949-3088, Vol. 1, p. 2500104-Article in journal (Refereed) Published
Abstract [en]
We demonstrate pseudo spin valves (PSVs) with a (112)-textured D022 Mn2.3-2.4Ga (MnGa) tilted magnetization fixed layer and an in-plane CoFe free layer. Single D022 MnGa films exhibit a small magnetoresistance (MR) typically observed in metals. In MnGa/Cu/CoFe PSVs, a transition from a negative (-0.08%) to positive (3.88%) MR is realized by introducing a thin spin polarizing CoFe insertion layer at the MnGa/Cu interface and tailoring the MnGa thickness. Finally, the exchange coupling between the MnGa and CoFe insertion layer is studied using a first-order reversal curve technique.
Place, publisher, year, edition, pages
2010. Vol. 1, p. 2500104-
Keywords [en]
D022MnGa, first-order reversal curve (FORC), Magneto-electronics, negative magnetoresistance, spin valves, tilted polarizer
National Category
Other Physics Topics
Identifiers
URN: urn:nbn:se:kth:diva-150055DOI: 10.1109/LMAG.2009.2039774ISI: 000208910200006Scopus ID: 2-s2.0-78650400958OAI: oai:DiVA.org:kth-150055DiVA, id: diva2:744461
Funder
Swedish Foundation for Strategic Research Swedish Research CouncilKnut and Alice Wallenberg FoundationWenner-Gren Foundations
Note
QC 20140908
2014-09-082014-08-292024-03-15Bibliographically approved