Epitaxial strain modulated electronic properties of interface controlled nickelate superlattices
S. Middey, D. Meyers, Shashank Kumar Ojha, M. Kareev, X. Liu, Y. Cao, J. W. Freeland, J. Chakhalian
DOI 10.1103/PhysRevB.98.045115 · Physical Review B
Active bibliographic source — not scientific approval
Bibliographic access preserves source history; it does not approve extracted materials or validate reported claims. Review warnings on each occurrence separately.
Abstract
Perovskite nickelate heterostructures consisting of single unit cells of EuNiO3 and LaNiO3 have been grown on a set of single crystalline substrates by pulsed laser interval deposition to investigate the effect of epitaxial strain on electronic and magnetic properties at the extreme interface limit. Despite the variation of substrate in-plane lattice constants and lattice symmetry, the structural response to heterostructuring is primarily controlled by the presence of the EuNiO3 layer. In sharp contrast to bulk LaNiO3 or EuNiO3, the superlattices grown under tensile strains exhibit metal-to-insulator transitions (MIT) below room temperature. The onset of magnetic and electronic transitions associated with the MIT can be further separated by application of large tensile strain. Furthermore, these transitions can be entirely suppressed by very small compressive strain. X-ray resonant absorption spectroscopy measurements reveal that such strain-controlled MIT is directly linked to a strain-induced self-doping effect without any chemical doping.
Similar papers
Interface density driven metal-to-insulator transition in nickelate based heterostructures
similarity 0.90Lucia Varbaro et al.
Source status unknown — claims are unverified
Electron microscopy and spectroscopy investigation of atomic, electronic, and phonon structures of NdNiO2/SrTiO3 interface
similarity 0.89Yin Yuan et al. · 2024 · arXiv:2412.07178
Source status unknown — claims are unverified
Conductivity noise across temperature-driven transitions of rare-earth nickelate heterostructures
similarity 0.88Gopi Nath Daptary et al.
Source status unknown — claims are unverified
A superlattice approach to doping infinite-layer nickelates
similarity 0.88R. A. Ortiz et al. · 2021 · arXiv:2102.05621
Source status unknown — claims are unverified
Strain mediated phase crossover in Ruddlesden Popper nickelates
similarity 0.88Cui, Ting et al. · 2023 · arXiv:2311.13228
Source status unknown — claims are unverified
Experimental verification of orbital engineering at the atomic scale: Charge transfer and symmetry breaking in nickelate heterostructures
similarity 0.87Patrick J. Phillips et al.
Source status unknown — claims are unverified