Structural transitions, octahedral rotations, and electronic properties of A3Ni2O7 rare-earth nickelates under high pressure

B Geisler, JJ Hamlin, GR Stewart, RG Hennig… - npj Quantum …, 2024 - nature.com
Motivated by the recent observation of superconductivity with T c~ 80 K in pressurized
La3Ni2O7, we explore the structural and electronic properties of A 3Ni2O7 bilayer nickelates …

Optical properties and electronic correlations in La3Ni2O7 bilayer nickelates under high pressure

B Geisler, L Fanfarillo, JJ Hamlin, GR Stewart… - npj Quantum …, 2024 - nature.com
We explore the optical properties of La3Ni2O7 bilayer nickelates by using density functional
theory including a Coulomb repulsion term. Convincing agreement with recent experimental …

Modulation of the octahedral structure and potential superconductivity of La3Ni2O7 through strain engineering

Z Huo, Z Luo, P Zhang, A Yang, Z Liu, X Tao… - Science China Physics …, 2025 - Springer
The recent transport measurements of La3Ni2O7 uncovered a “right-triangle” shape of the
superconducting dome in the pressure-temperature (PT) phase diagram. Motivated by this …

Oxygen vacancies in nanostructured hetero-interfacial oxides: a review

C Dharanya, G Dharmalingam - Journal of Nanoparticle Research, 2022 - Springer
Oxygen vacancies have paved new directions in the applications of materials and
particularly, metal oxides. The interface that exists when two or more of these materials are …

Tuning the thermoelectric properties of transition metal oxide thin films and superlattices on the quantum scale

B Geisler, P Yordanov, ME Gruner… - … status solidi (b), 2022 - Wiley Online Library
Combining advanced growth and characterization techniques with state‐of‐the‐art first‐
principles simulations in the frameworks of density functional theory and Boltzmann …

Nature of the magnetic coupling in infinite-layer nickelates versus cuprates

A Sahinovic, B Geisler, R Pentcheva - Physical Review Materials, 2023 - APS
In contrast to the cuprates, where the proximity of antiferromagnetism (AFM) and
superconductivity is well established, first indications for AFM interactions in …

Impact of Polarity Mismatch in Infinite-Layer Nickelates

H Qi, X Han, X Sui, B Huang, H **ao… - ACS Applied Materials & …, 2024 - ACS Publications
The recent discovery of superconductivity in infinite-layer Sr-doped NdNiO2 grown on
SrTiO3 (001) provides a new platform to explore the conducting mechanism of …

Correlated interface electron gas in infinite-layer nickelate versus cuprate films on

B Geisler, R Pentcheva - Physical Review Research, 2021 - APS
Based on first-principles calculations including a Coulomb repulsion term, we identify trends
in the electronic reconstruction of A NiO 2/SrTiO 3 (001)(A= Pr, La) and A CuO 2/SrTiO 3 …

Fermi surface reconstruction in strained LaNiO on LaAlO(001) and SrTiO(001)

B Geisler, JJ Hamlin, GR Stewart, RG Hennig… - arxiv preprint arxiv …, 2024 - arxiv.org
We explore the structural and electronic properties of the bilayer nickelate La3Ni2O7 on
LaAlO3 (001) and SrTiO3 (001) by using density functional theory including a Coulomb …

Fundamental difference in the electronic reconstruction of infinite-layer versus perovskite neodymium nickelate films on (001)

B Geisler, R Pentcheva - Physical Review B, 2020 - APS
Motivated by recent reports of superconductivity in Sr-doped NdNiO 2 films on SrTiO 3
(001)[Nature (London) 572, 624 (2019) NATUAS 0028-0836 10.1038/s41586-019-1496-5] …