Ultradense Arrays of Sub-100 nm Co/CoO Nanodisks for Spintronics Applications
Source abstract
Abstract
Sub-100 nm ferromagnetic/antiferromagnetic nanodisks present enhanced magnetic properties with respect to their thin film counterparts. Co/CoO disks were fabricated over large areas by a transferring process of an anodic aluminum oxide membrane, electron beam evaporation of Co, and subsequent oxidation to CoO. This method reveals exchange bias fields up to 4 times larger than that in thin films and higher blocking temperatures for the same oxidation protocol. The significant improvement of the magnetic properties is attributed to finite-size effects in nanostructures and might be exploited in diverse areas such as the magnetic stabilization of ultradense arrays or the scalability process of patterned heterostructures in spintronic phenomena.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Magnetic properties of thin films · Anodic Oxide Films and Nanostructures · ZnO doping and properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Physical-Chemistry & BCMaterials, University of the Basque Country UPV/EHU, 48940 Leioa, Spain
IKERBASQUE, Basque Foundation for Science, 48011 Bilbao, Spain
Department of Physics and Astronomy, The University of Texas at San Antonio, San Antonio, Texas 78249, United States
Center for Advanced Nanoscience and Department of Physics, University of California, San Diego, La Jolla, California 92093, United States
General Atomics, P.O. Box 85608, San Diego, California 92186, United States
Funding
European Regional Development Fund · H2020 Marie Sklodowska-Curie Actions · Eusko Jaurlaritza · University of Texas at San Antonio · Agencia Estatal de Investigación
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