{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,8]],"date-time":"2026-02-08T14:36:49Z","timestamp":1770561409675,"version":"3.49.0"},"reference-count":16,"publisher":"AIP Publishing","issue":"12","funder":[{"DOI":"10.13039\/501100004837","name":"Spanish Ministry of Science and Innovation","doi-asserted-by":"crossref","award":["MAT2008-06567-C02"],"award-info":[{"award-number":["MAT2008-06567-C02"]}],"id":[{"id":"10.13039\/501100004837","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2011,3,21]]},"abstract":"<jats:p>Epitaxial discontinuous Fe\/MgO multilayers have been grown by pulsed laser deposition on MgO(001) single-crystal substrates. The multilayers with 0.6 nm nominal Fe layers thickness are superparamagnetic and demonstrate tunneling magnetoresistance (TMR) in the current-in-plane configuration. Increasing deposition temperature causes an improvement in crystal quality and is accompanied by higher TMR ratios. The maximum value (9.2% TMR at room temperature and 18 kOe magnetic field) trebles that of polycrystalline samples deposited simultaneously on glass substrates. A model formula for TMR ratio that includes both spin-dependent tunneling and spin-filtering effect is proposed to explain these results.<\/jats:p>","DOI":"10.1063\/1.3569149","type":"journal-article","created":{"date-parts":[[2011,3,21]],"date-time":"2011-03-21T22:51:51Z","timestamp":1300747911000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":10,"title":["Tunneling magnetoresistance in epitaxial discontinuous Fe\/MgO multilayers"],"prefix":"10.1063","volume":"98","author":[{"given":"A.","family":"Garc\u00eda-Garc\u00eda","sequence":"first","affiliation":[{"name":"Universidad de Zaragoza\u2013CSIC 1 Instituto de Ciencia de Materiales de Arag\u00f3n (ICMA), , 50009 Zaragoza, Spain"},{"name":"Universidad de Zaragoza 2 Departamento de F\u00edsica de la Materia Condensada, , 50009 Zaragoza, Spain"}]},{"given":"J. A.","family":"Pardo","sequence":"additional","affiliation":[{"name":"Universidad de Zaragoza 3 Instituto de Nanociencia de Arag\u03ccn (INA), , 50018 Zaragoza, Spain"},{"name":"Universidad de Zaragoza 4 Departamento de Ciencia y Tecnolog\u00eda de Materiales y Fluidos, , 50018 Zaragoza, Spain"}]},{"given":"P.","family":"\u0160trichovanec","sequence":"additional","affiliation":[{"name":"Universidad de Zaragoza 3 Instituto de Nanociencia de Arag\u03ccn (INA), , 50018 Zaragoza, Spain"}]},{"given":"C.","family":"Mag\u00e9n","sequence":"additional","affiliation":[{"name":"Universidad de Zaragoza 2 Departamento de F\u00edsica de la Materia Condensada, , 50009 Zaragoza, Spain"},{"name":"Universidad de Zaragoza 3 Instituto de Nanociencia de Arag\u03ccn (INA), , 50018 Zaragoza, Spain"},{"name":"Fundaci\u00f3n ARAID 5 , 50004 Zaragoza, Spain"}]},{"given":"A.","family":"Vovk","sequence":"additional","affiliation":[{"name":"Universidade de Lisboa 6 Centro de Fisica da Materia Condensada, , 1749-016-Lisboa, Portugal"},{"name":"National Academy of Sciences of Ukraine 7 Institute of Magnetism, , 03142 Kyiv, Ukraine"}]},{"given":"J. M.","family":"De Teresa","sequence":"additional","affiliation":[{"name":"Universidad de Zaragoza\u2013CSIC 1 Instituto de Ciencia de Materiales de Arag\u00f3n (ICMA), , 50009 Zaragoza, Spain"},{"name":"Universidad de Zaragoza 2 Departamento de F\u00edsica de la Materia Condensada, , 50009 Zaragoza, Spain"}]},{"given":"G. N.","family":"Kakazei","sequence":"additional","affiliation":[{"name":"National Academy of Sciences of Ukraine 7 Institute of Magnetism, , 03142 Kyiv, Ukraine"},{"name":"Universidade do Porto 8 Departamento de F\u00edsica, IFIMUP and IN\u2013Institute of Nanoscience and Nanotechnology, , 4169-007 Porto, Portugal"}]},{"given":"Y. G.","family":"Pogorelov","sequence":"additional","affiliation":[{"name":"Universidade do Porto 8 Departamento de F\u00edsica, IFIMUP and IN\u2013Institute of Nanoscience and Nanotechnology, , 4169-007 Porto, Portugal"}]},{"given":"L.","family":"Morell\u00f3n","sequence":"additional","affiliation":[{"name":"Universidad de Zaragoza\u2013CSIC 1 Instituto de Ciencia de Materiales de Arag\u00f3n (ICMA), , 50009 Zaragoza, Spain"},{"name":"Universidad de Zaragoza 2 Departamento de F\u00edsica de la Materia Condensada, , 50009 Zaragoza, Spain"},{"name":"Universidad de Zaragoza 3 Instituto de Nanociencia de Arag\u03ccn (INA), , 50018 Zaragoza, Spain"}]},{"given":"P. A.","family":"Algarabel","sequence":"additional","affiliation":[{"name":"Universidad de Zaragoza\u2013CSIC 1 Instituto de Ciencia de Materiales de Arag\u00f3n (ICMA), , 50009 Zaragoza, Spain"},{"name":"Universidad de Zaragoza 2 Departamento de F\u00edsica de la Materia Condensada, , 50009 Zaragoza, Spain"}]},{"given":"M. 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