Tailored Magnetic and Electric States in 3d-Metal-Insulator Films: Characterization and Applications

• Authors: J. Fedotova
• Languages of publication: EN

Abstracts

EN

Progress in designing of new low-cost magnetoelectronic planar devices requires new artificial films combining tuneable magnetic and electric properties. In this context, metal-insulator films are prospective for synthesis of materials with tailored physical properties that could be controlled with films composition and synthesis regimes. Present overview covers the summary of recent experimental results on complimentary and systematic study of macroscopic and local magnetic properties of films using vibrating sample magnetometer and Mössbauer spectroscopy with respect to phase composition and structural analysis at nanoscale by X-ray absorption spectroscopy in the extended X-ray absorption fine structure range, transmission electron microscopy and high-resolution transmission electron microscopy. Specific relationship between films structure and resulting magnetic properties (SP relaxation, core-shell exchange interaction, perpendicular magnetic anisotropy) is considered. Effects of magnetic and electric percolation in films are discussed in correlation with synthesis regimes (atmosphere of deposition, temperature of the substrate) and films composition. Physical mechanisms and models describing magnetic and electric properties of composite films are analyzed. Finally, technological approaches are proposed for tuning films properties towards their desired combination with respect to application in designing of sensors and planar (non-coil) inductive elements.

Keywords

EN

73.40.Gk; 73.40.Rw; 73.63.Bd; 62.23.Pq; 68.37.Lp; 68.37.Og

Discipline

• 68.37.Lp: Transmission electron microscopy (TEM)
• 73.63.Bd: Nanocrystalline materials
• 68.37.Og: High-resolution transmission electron microscopy (HRTEM)
• 62.23.Pq: Composites (nanosystems embedded in a larger structure)
• 73.40.Gk: Tunneling(for tunneling in quantum Hall effects, see 73.43.Jn)
• 73.40.Rw: Metal-insulator-metal structures

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2014
• Volume: 125
• Issue: 4
• Pages: 944-952

Dates

published

2014-04

Contributors

author

J. Fedotova

• NC PHEP, Belarusian State University, 220088 Minsk, Belarus

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Identifiers

DOI

10.12693/APhysPolA.125.944