Magnetic Properties and Spintronic Applications
Summary
Magnetic materials exhibit a rich array of phenomena arising from the spin degree of freedom of electrons. Beyond conventional charge-based electronics, spintronics harnesses spin polarisation and spin currents to achieve non-volatile data storage, ultra-fast switching and low energy consumption. Key magnetic properties—such as coercivity, anisotropy and interlayer exchange—determine device performance in applications ranging from magnetic random-access memory and spin-transfer torque oscillators to emerging antiferromagnetic logic elements and topological spin devices. Advances in materials design, nanofabrication and control of spin dynamics are driving progress towards scalable, energy-efficient spintronic technologies with potential impact on information processing and quantum technologies.
Research from Nature Portfolio
Seminal work on atomically thin magnetic heterostructures has demonstrated tunable spin coupling and electronic structure in two-dimensional nickel hydroxide–nitride bilayers. By stacking Ni(OH)₂ monolayers with BN, AlN or GaN, researchers achieved control over ferromagnetic and antiferromagnetic interactions and realised complete electron–hole separation in certain configurations. These findings reveal pathways to engineer interlayer exchange, modulate spin polarisation and integrate ultrathin spin filters or logic elements on flexible substrates.
Magnetic Properties and Spintronic Applications publication trend
The graph below shows the total number of articles in magnetic properties and spintronic applications across all publications each year (not limited to Nature Index journals).
Technical terms
Spintronics: Technology exploiting the intrinsic spin of electrons alongside their charge to encode and manipulate information.
Ferromagnetism: Magnetic ordering in which atomic spins align parallel, producing a net magnetisation.
Antiferromagnetism: Magnetic ordering in which adjacent spins align antiparallel, cancelling macroscopic magnetisation.
Néel temperature: The critical temperature above which antiferromagnetic order is lost.
Magnetoresistance: Change in electrical resistance induced by an applied magnetic field.
Heterostructure: A layered assembly of materials with differing electronic, magnetic or structural properties.
References
- Electronic and magnetism properties of two-dimensional stacked nickel hydroxides and nitrides. Scientific Reports (2015).
- Origin of the contrasting magnetic stability of antiferromagnetic CuMnAs and CuMnSb. Journal of Applied Physics (2024).
- Regulation of magnetoresistance in SmxMn1-xS by weak external pressure. Journal of Physics Conference Series (2023).
- Modeling of the properties of the semiconductor solid solution Lu1-xVxNiSb in the presence of magnetic ordering. Physics and Chemistry of Solid State (2023).
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