Epitaxial La0.7Sr0.3MnO3thin films on silicon with excellent magnetic and electric properties by combining physical and chemical methods
Source abstract
Abstract
Half-metallic ferromagnetic La0.7Sr0.3MnO3 (LSMO) represents an appealing candidate to be integrated on silicon substrates for technological devices such as sensors, data storage media, IR detectors, and so on. Here, we report high-quality epitaxial LSMO thin films obtained by an original combination of chemical solution deposition (CSD) and molecular beam epitaxy (MBE). A detailed study of the thermal, chemical, and physical compatibility between SrTiO3 (STO)/Si buffer layers and LSMO films, grown by MBE and CSD, respectively, enables a perfect integration of both materials. Importantly, we show a precise control of the coercive field of LSMO films by tuning the mosaicity of the STO/Si buffer layer. These results demonstrate the enormous potential of combining physical and chemical processes for the development of low-cost functional oxide-based devices compatible with the complementary metal oxide semiconductor technology.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Magnetic and transport properties of perovskites and related materials · Electronic and Structural Properties of Oxides · Advanced Condensed Matter Physics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Institut d’Électronique et des Systèmes (IES), UMR 5214, CNRS – Université de Montpellier , Montpellier, France
Institut de Ciència de Materials de Barcelona ICMAB, Consejo Superior de Investigaciones Científicas CSIC , Catalonia, Spain
Facultad de Ciencias, Instituto de Ciencia de Materiales de Aragón (ICMA), Universidad de Zaragoza-CSIC, Universidad de Zaragoza , Zaragoza, Spain
Laboratorio de Microscopías Avanzadas (LMA), Instituto de Nanociencia de Aragón (INA), Universidad de Zaragoza, Mariano Esquillor, Edificio I+D , Zaragoza, Spain
Institut des Nanotechnologies de Lyon (INL) CNRS - Ecole Centrale de Lyon , Ecully, France
Funding
Agence Nationale de la Recherche · European Commission · EU H2020 · École Centrale de Lyon · Seventh Framework Programme
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