Nanostructured Materials in Electronic Applications

Nanostructured materials—ranging from zero-dimensional quantum dots through one-dimensional wires and chains to two-dimensional sheets—offer unprecedented control over charge, spin and photon behaviour by exploiting quantum confinement and interfacial effects. Confinement at the nanoscale modulates band structure, carrier mobility and magnetic ordering, enabling devices with enhanced energy efficiency, higher speed and reduced footprint. Template-based synthesis, self-assembly within nanotubes and solution processing have proven effective in producing uniform nanowires and atomic chains. Integration onto diverse substrates—from conventional semiconductors to superconductors—facilitates the exploration of novel electronic phases and the development of advanced transistors, spintronic elements and sensors. Ongoing research focuses on controlling dimensionality, tuning interchain connectivity and achieving scalable processing routes to meet the global demand for flexible electronics, low-power data storage and quantum information platforms.

Research from Nature Portfolio

Recent studies have demonstrated the fabrication of single-unit-cell-wide magnetic wires of a layered transition-metal halide on a superconducting surface, revealing a reversible conversion between one- and two-dimensional phases. This dimensionality control is mediated by subtle interfacial interactions and total energy differences, yielding an antiferromagnetic semiconducting state in the one-dimensional form. Another advance involves the identification of an optimal amine-based dispersant for a van der Waals-bonded molecular chain material, achieving high-concentration mono-chain suspensions suitable for solution processing. A complementary approach employs a block copolymer dispersant to produce biocompatible nanometre-sized chains, paving the way for integration into aqueous environments and hybrid electronic–biological systems.

Research from all publishers

Investigations into transition-metal trihalide chains encapsulated within carbon nanotubes have uncovered novel one-dimensional magnetic lattices that differ structurally from their two-dimensional counterparts and exhibit charge-driven, reversible magnetic phase transitions. A separate effort has realised self-assembled atomic-scale wires of a Mott insulator with precise junction architectures via pulsed-laser deposition, offering networks of one-unit-cell-thick conductive and insulating regions. In parallel, the confinement of tetrahedral GeX2 (X = S, Se) units within nanotubes has enabled the tuning of edge- and corner-sharing modes, yielding chains whose semiconducting properties can be engineered through both composition and diameter-dependent stability.

Nanostructured Materials in Electronic Applications publication trend

The graph below shows the total number of articles in nanostructured materials in electronic applications across all publications each year (not limited to Nature Index journals).

Technical terms

Quantum confinement: Alteration of electronic and optical properties when dimensions approach the electron de Broglie wavelength.

Van der Waals interactions: Weak, non-covalent forces between adjacent molecular or layered structures.

Antiferromagnetism: Magnetic ordering in which adjacent spins align in opposite directions, producing no net magnetisation.

Band gap: Energy difference between the valence band and the conduction band dictating electrical conductivity.

Mott insulator: A material that should conduct electricity per band theory but is insulating due to strong electron–electron interactions.

Tetrahedral connectivity: The manner in which four-coordinate units share edges or corners, influencing crystal structure and electronic band dispersion.

References

1. Controllable dimensionality conversion between 1D and 2D CrCl3 magnetic nanostructures. Nature Communications (2023).
2. Design of dispersant for highly concentrated one-dimensional Nb2Se9 inorganic molecular chains from bulk crystal. Scientific Reports (2019).
3. A study on the bio-applicability of aqueous-dispersed van der Waals 1-D material Nb2Se9 using poloxamer. Scientific Reports (2021).
4. Growth of self-integrated atomic quantum wires and junctions of a Mott semiconductor. Science Advances (2023).
5. Tuning the Sharing Modes and Composition in a Tetrahedral GeX2 (X = S, Se) System via One-Dimensional Confinement. ACS Nano (2023).