This review stands in the larger framework of functional materials by focussing on
heterostructures of rare-earth nickelates, described by the chemical formula RNiO 3 where R …

Iontronics is a newly emerging interdisciplinary concept which bridges electronics and
ionics, covering electrochemistry, solid‐state physics, electronic engineering, and biological …

The use of electrolyte gating to electrically control electronic, magnetic and optical properties
of materials has seen strong recent growth, driven by the potential of the many devices and …

Collective interactions in functional materials can enable novel macroscopic properties like
insulator-to-metal transitions. While implementing such materials into field-effect-transistor …

In the classic transistor, the number of electric charge carriers—and thus the electrical
conductivity—is precisely controlled by external voltage, providing electrical switching …

Orbital occupancy control in correlated oxides allows the realization of new electronic
phases and collective state switching under external stimuli. The resultant structural and …

Inspired by biological neural systems, neuromorphic devices may open up new computing
paradigms to explore cognition, learning and limits of parallel computation. Here we report …

The recent observation of superconductivity in Nd 0.8 Sr 0.2 NiO 2 calls for further
investigation and optimization of the synthesis of this infinite-layer nickelate structure. Here …

Complex transition metal oxides span a wide range of crystalline structures and play host to
an incredible variety of physical phenomena. High dielectric permittivities, piezo-, pyro-, and …

The metal–insulator transition and the intriguing physical properties of rare-earth perovskite
nickelates have attracted considerable attention in recent years. Nonetheless, a complete …