Abstract

GOMEZ, Maria Elena; MARIN, Lorena; SANCHEZ, Carlos William  and  RAMIREZ, Juan Gabriel. Interfacial phenomena in multilayers and magnetic superlattices: review and perspectives. Rev. acad. colomb. cienc. exact. fis. nat. [online]. 2023, vol.47, n.182, pp.101-121.  Epub May 13, 2025. ISSN 0370-3908.  https://doi.org/10.18257/raccefyn.1868.

For the past eight decades, understanding the physical mechanisms that occur at the interface between two different materials has been an open question driven by the breaking of crystalline symmetry and the reduction of atomic coordination, which modify the type and orbital occupation of atoms in the interface. Surface science began studying interface phenomena and has advanced significantly thanks to new and sophisticated tools for controlled fabrication and monolayer characterization. This focus has stimulated scientific and technological advancements, especially in the context of electronic devices and a wide range of interdisciplinary applications, such as biointerfaces, next-generation ultrasensitive detectors and actuators, and improved tribological properties. Here we provide a historical context of emerging interfacial phenomena and their influence on properties exhibited in junctions, multilayers, and heterostructures. We discuss advances in magnetic superlattice systems that enhance the information density of hard drives. We also explore electronic and magnetic interface states, as well as new functionalities in interfaces within heterojunctions based on complex oxides. Finally, we highlight advances and perspectives in surface science.

Keywords : Interfacial effects; Complex oxides; Giant magnetoresistance; Interlayer exchange interaction; Exchange bias; Multiferroic materials.

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