DocumentCode
38747
Title
Theoretical Study on Tunneling Magnetoresistance of Magnetic Tunnel Tunctions with 
( , Tohoku Univ., Sendai, Japan</div></div>
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<div class='row g-0 align-items-center mb-2'><div class='col-12 col-md-3 fullRecLabelEnglish fw-bold mb-2 mb-md-0'><span class='text-muted small'>Volume</span></div><div class='col-12 col-md-9 leftDirection leftAlign'>50</div></div>
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<div class='row g-0 align-items-center mb-2'><div class='col-12 col-md-3 fullRecLabelEnglish fw-bold mb-2 mb-md-0'><span class='text-muted small'>fDate</span></div><div class='col-12 col-md-9 leftDirection leftAlign'>Jan. 2014</div></div>
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<div class='row g-0 align-items-center mb-2'><div class='col-12 col-md-3 fullRecLabelEnglish fw-bold mb-2 mb-md-0'><span class='text-muted small'>Firstpage</span></div><div class='col-12 col-md-9 leftDirection leftAlign'>1</div></div>
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<div class='row g-0 align-items-center mb-2'><div class='col-12 col-md-3 fullRecLabelEnglish fw-bold mb-2 mb-md-0'><span class='text-muted small'>Abstract</span></div><div class='col-12 col-md-9 leftDirection leftAlign'>We investigated spin dependent transport properties of magnetic tunnel junctions (MTJs) with D0<sub>22</sub>-Mn<sub>3</sub>Ga or Mn<sub>3</sub>Ge using the first-principles electronic and ballistic-transport calculations. We found that tunneling magntoresistance (TMR) ratios of Mn<sub>3</sub>Ga/MgO(1 nm)/Mn<sub>3</sub>Ga(001) MTJs depend strongly on the interfacial structures, which are about 600% for MnMn termination and 40% for MnGa termination. The relatively small TMR ratio of MnGa termination can be attributed to a presence of the Δ<sub>1</sub> state around the Fermi level in both spin channels. On the other hand, we obtained over 4000% TMR ratios both for MnMn and MnGe terminations of Mn<sub>3</sub> Ge-based MTJs due to the half-metallic electronic structure on the Δ<sub>1</sub> state. We concluded that D0<sub>22</sub>-Mn<sub>3</sub>Ge is a promising material providing large TMR effects as well as strong perpendicular magnetic anisotropy.</div></div>
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<div class='row g-0 align-items-center mb-2'><div class='col-12 col-md-3 fullRecLabelEnglish fw-bold mb-2 mb-md-0'><span class='text-muted small'>Keywords</span></div><div class='col-12 col-md-9 leftDirection leftAlign'>ab initio calculations; ballistic transport; electronic structure; gallium alloys; interface states; interface structure; magnesium compounds; magnetic multilayers; manganese alloys; perpendicular magnetic anisotropy; tunnelling magnetoresistance; Fermi level; Mn<sub>3</sub>Ga-MgO-Mn<sub>3</sub>Ga; ballistic-transport calculations; first-principles electronic calculations; half-metallic electronic structure; interfacial structures; magnetic tunnel junctions; perpendicular magnetic anisotropy; size 1 nm; spin channels; spin dependent transport properties; tunneling magnetoresistance; Atomic layer deposition; Gallium; Lattices; Magnetic tunneling; Manganese; Tunneling magnetoresistance; Metal-insulator interface; numerical simulation; spin polarized transport; tunneling magnetoresistance (TMR);</div></div>
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<div class='row g-0 align-items-center mb-2'><div class='col-12 col-md-3 fullRecLabelEnglish fw-bold mb-2 mb-md-0'><span class='text-muted small'>Journal_Title</span></div><div class='col-12 col-md-9 leftDirection leftAlign'>Magnetics, IEEE Transactions on</div></div>
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<div class='row g-0 align-items-center mb-2'><div class='col-12 col-md-3 fullRecLabelEnglish fw-bold mb-2 mb-md-0'><span class='text-muted small'>ISSN</span></div><div class='col-12 col-md-9 leftDirection leftAlign'>0018-9464</div></div>
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<div class='row g-0 align-items-center mb-2'><div class='col-12 col-md-3 fullRecLabelEnglish fw-bold mb-2 mb-md-0'><span class='text-muted small'>DOI</span></div><div class='col-12 col-md-9 leftDirection leftAlign'>10.1109/TMAG.2013.2276625</div></div>
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<div class='row g-0 align-items-center mb-2'><div class='col-12 col-md-3 fullRecLabelEnglish fw-bold mb-2 mb-md-0'><span class='text-muted small'>Filename</span></div><div class='col-12 col-md-9 leftDirection leftAlign'>6692977</div></div>
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https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=38747
https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=38747Theoretical Study on Tunneling Magnetoresistance of Magnetic Tunnel Tunctions with
https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=38747