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Pseudo Spin Valves Using a (1 1 2)-Textured D0 
Mn 
Ga Fixed Layer
Pseudo Spin Valves Using a (1 1 2)-Textured D0
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.
Published in:
Magnetics Letters, IEEE
(Volume:1
)
Date of Publication: 2010
- Page(s):
- 2500104
- ISSN :
- 1949-307X
- INSPEC Accession Number:
- 11104940
- Digital Object Identifier :
- 10.1109/LMAG.2009.2039774
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 29 January 2010
- Issue Date :
- 2010
- Sponsored by :
- IEEE Magnetics Society
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