{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,13]],"date-time":"2025-10-13T01:49:54Z","timestamp":1760320194542,"version":"3.41.2"},"reference-count":25,"publisher":"AIP Publishing","issue":"4","funder":[{"name":"National Center of Research and Development in Poland","award":["Era.Net.Rus SpinBarrier"],"award-info":[{"award-number":["Era.Net.Rus SpinBarrier"]}]}],"content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2015,1,28]]},"abstract":"<jats:p>We present theoretical and experimental results on tunneling current in single Fe\/MgO\/GaAs and double Fe\/MgO\/GaAs\/MgO\/Fe tunnel junctions. The charge and spin currents are calculated as a function of external voltage for different sets of parameters characterizing the semiconducting GaAs layer. Transport characteristics of a single Fe\/MgO\/GaAs junction reveal typical diode as well as spin diode features. The results of numerical calculations are compared with current-voltage characteristics measured experimentally for double tunnel junction structures, and a satisfactory agreement of the theoretical and experimental results has been achieved.<\/jats:p>","DOI":"10.1063\/1.4906397","type":"journal-article","created":{"date-parts":[[2015,1,27]],"date-time":"2015-01-27T18:03:51Z","timestamp":1422381831000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":3,"title":["Spin and charge transport in double-junction Fe\/MgO\/GaAs\/MgO\/Fe heterostructures"],"prefix":"10.1063","volume":"117","author":[{"given":"S.","family":"Wolski","sequence":"first","affiliation":[{"name":"Rzesz\u00f3w University of Technology 1 Department of Physics, , Al. Powsta\u0144c\u00f3w Warszawy 6, 35-959 Rzesz\u00f3w, Poland"}]},{"given":"T.","family":"Szczepa\u0144ski","sequence":"additional","affiliation":[{"name":"Rzesz\u00f3w University of Technology 1 Department of Physics, , Al. Powsta\u0144c\u00f3w Warszawy 6, 35-959 Rzesz\u00f3w, Poland"}]},{"given":"V. K.","family":"Dugaev","sequence":"additional","affiliation":[{"name":"Rzesz\u00f3w University of Technology 1 Department of Physics, , Al. Powsta\u0144c\u00f3w Warszawy 6, 35-959 Rzesz\u00f3w, Poland"},{"name":"Universidade de Lisboa 2 Departamento de F\u00edsica and CFIF, Instituto Superior T\u00e9cnico, , Av. Rovisco Pais, 1049-001 Lisbon, Portugal"}]},{"given":"J.","family":"Barna\u015b","sequence":"additional","affiliation":[{"name":"Adam Mickiewicz University 3 Faculty of Physics, , ul. Umultowska 85, 61-614 Pozna\u0144, Poland"},{"name":"Institute of Molecular Physics 4 , Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Pozna\u0144, Poland"}]},{"given":"B.","family":"Landgraf","sequence":"additional","affiliation":[{"name":"University of Hamburg 5 Institute for Applied Physics, , Jungiusstra\u00dfe 11, 20355 Hamburg, Germany"}]},{"given":"T.","family":"Slobodskyy","sequence":"additional","affiliation":[{"name":"University of Hamburg 5 Institute for Applied Physics, , Jungiusstra\u00dfe 11, 20355 Hamburg, Germany"}]},{"given":"W.","family":"Hansen","sequence":"additional","affiliation":[{"name":"University of Hamburg 5 Institute for Applied Physics, , Jungiusstra\u00dfe 11, 20355 Hamburg, Germany"}]}],"member":"317","published-online":{"date-parts":[[2015,1,27]]},"reference":[{"key":"2023062219302855900_c1","doi-asserted-by":"publisher","first-page":"323","DOI":"10.1103\/RevModPhys.76.323","volume":"76","year":"2004","journal-title":"Rev. Mod. 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