Physics of ultrathin films and heterostructures of rare-earth nickelates

S Middey, J Chakhalian, P Mahadevan… - Annual Review of …, 2016 - annualreviews.org
The electronic structure of transition metal oxides featuring correlated electrons can be
rationalized within the Zaanen-Sawatzky-Allen framework. Following a brief description of …

Demystifying the active roles of NiFe-based oxides/(oxy) hydroxides for electrochemical water splitting under alkaline conditions

L Lei, D Huang, C Zhou, S Chen, X Yan, Z Li… - Coordination Chemistry …, 2020 - Elsevier
NiFe-based compounds have received increasing attention due to their low cost, availability,
as well as excellent H 2 evolution reaction (HER) and the O 2 evolution reaction (OER) …

Promoting the oxygen evolution activity of perovskite nickelates through phase engineering

Y Wang, C Huang, K Chen, Y Zhao, J He… - … Applied Materials & …, 2021 - ACS Publications
Perovskite oxides have emerged as promising candidates for the oxygen evolution reaction
(OER) electrocatalyst due to their flexible lattice structure, tunable electronic structure …

[HTML][HTML] Epitaxial stabilization of ultra thin films of high entropy perovskite

RK Patel, SK Ojha, S Kumar, A Saha, P Mandal… - Applied Physics …, 2020 - pubs.aip.org
High entropy oxides (HEOs) are a class of materials, containing equimolar portions of five or
more transition metal and/or rare-earth elements. We report here about the layer-by-layer …

Spatially controlled octahedral rotations and metal–insulator transitions in nickelate superlattices

B Chen, N Gauquelin, RJ Green, JH Lee… - Nano …, 2021 - ACS Publications
The properties of correlated oxides can be manipulated by forming short-period
superlattices since the layer thicknesses are comparable with the typical length scales of the …

Striped nanoscale phase separation at the metal–insulator transition of heteroepitaxial nickelates

G Mattoni, P Zubko, F Maccherozzi… - Nature …, 2016 - nature.com
Nucleation processes of mixed-phase states are an intrinsic characteristic of first-order
phase transitions, typically related to local symmetry breaking. Direct observation of …

Alloy-free band gap tuning across the visible spectrum

RA Makin, K York, SM Durbin, N Senabulya, J Mathis… - Physical Review Letters, 2019 - APS
We present evidence, from theory and experiment, that ZnSnN 2 and MgSnN 2 can be used
to match the band gap of InGaN without alloying—by exploiting cation disorder in a …

Organismic materials for beyond von Neumann machines

HT Zhang, P Panda, J Lin, Y Kalcheim… - Applied Physics …, 2020 - pubs.aip.org
The elementary basis of intelligence in organisms with a central nervous system includes
neurons and synapses and their complex interconnections forming neural circuits. In non …

Mott electrons in an artificial graphenelike crystal of rare-earth nickelate

S Middey, D Meyers, D Doennig, M Kareev, X Liu… - Physical review …, 2016 - APS
Deterministic control over the periodic geometrical arrangement of the constituent atoms is
the backbone of the material properties, which, along with the interactions, define the …

Strain-driven disproportionation at a correlated oxide metal-insulator transition

TH Kim, TR Paudel, RJ Green, K Song, HS Lee… - Physical Review B, 2020 - APS
Metal-to-insulator phase transitions in complex oxide thin films are exciting phenomena
which may be useful for device applications, but in many cases the physical mechanism …