Preparation, structural and magnetic characterisation of RF-sputtered La1−xNaxMnO3±δ thin films manganites

Literature Information

Publication Date 2003-04-09
DOI 10.1039/B300222P
Impact Factor 3.676
Authors

Lorenzo Malavasi, Ivano Alessandri, Maria Cristina Mozzati, Paolo Ghigna, Gaetano Chiodelli, Carlo B. Azzoni, Giorgio Flor


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Abstract

In this paper we report about the synthesis and characterisation of the structure and magnetic properties of sodium doped LaMnO3 thin films prepared by means of RF-magnetron sputtering. The synthesis was realised at two different substrate temperatures (500 and 700 °C) and with different gas chamber compositions. The role of oxygen content variation has been checked by annealing the thin films at different oxygen partial pressures. By reducing the oxygen content an increase of the distortion in the film has been observed together with a reduction of the Curie temperatures. Films with high Curie temperatures (250 K) have been prepared at 700 °C in pure argon.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
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Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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