307 citations · 963 across the 31 of their papers we have counts for
33 papers
Unraveling Fermi liquid charge and heat transport in RuO
Harrison LaBollita, Fabian B. Kugler, Antoine Georges +1
RuO is a multi-orbital Fermi liquid for which an array of complementary experimental measurements has recently become available, making it a stringent testbed for quantitative…
GEM: An implementation of the ghost-Gutzwiller approximation for simulating interacting quantum systems
Samuele Giuli, Tsung-Han Lee, Yong-Xin Yao +6
We present GEM (Ghost Embedding Method), an open-source software package written in Python for computing equilibrium properties of strongly correlated electronic systems within the…
Electronic layer decoupling driven by density-wave order in LaNiO
Ziqiang Guan, Sophia F. R. TenHuisen, M. Tepie +14
We probe the density-wave transition of the trilayer nickelate LaNiO with polarization-resolved infrared spectroscopy. The low-energy electrodynamics is strongly ani…
Role of correlations in Ruddlesden-Popper bilayer nickelates under compressive strain
Logan Bleys, Nicholas Corkill, Yi-Feng Zhao +4
The recent discovery of superconductivity in thin films of the bilayer Ruddlesden-Popper (RP) nickelate LaNiO (La327) under compressive strain has generated enormous in…
Lattice-charge coupling in a trilayer nickelate with intertwined density wave order
Xun Jia, Yao Shen, Harrison LaBollita +16
Intertwined charge and spin correlations are ubiquitous in a wide range of transition metal oxides and are often perceived as intimately related to unconventional superconductivity…
Topotactic oxidation of Ruddlesden-Popper nickelates reveals new structural family: oxygen-intercalated layered perovskites
Dan Ferenc Segedin, Jinkwon Kim, Harrison LaBollita +20
Layered perovskites such as the Dion-Jacobson, Ruddlesden-Popper, and Aurivillius families host a wide range of correlated electron phenomena, from high-temperature superconductivi…
Electron-phonon origins of unconventional resistivity in moderately correlated perovskite oxides
Jennifer Coulter, Fabian B. Kugler, Harrison LaBollita +2
Transition-metal perovskite oxides exhibit moderately correlated metallic phases, several of which exhibit a resistivity scaling up to temperatures far exceeding the regime w…
Unconventional polaronic ground state in superconducting LiTiO
Zubia Hasan, Grace A. Pan, Harrison LaBollita +23
Geometrically frustrated lattices can display a range of correlated phenomena, ranging from spin frustration and charge order to dispersionless flat bands due to quantum interferen…
Correlated electronic structure of the alternating monolayer-bilayer nickelate LaNiO
Harrison LaBollita, Antia S. Botana
The recent discovery of superconductivity under pressure in Ruddlesden-Popper (RP) nickelates has attracted a great deal of attention. Here, using charge-self consistent density-fu…
Low-temperature transport in high-conductivity correlated metals: a density-functional plus dynamical mean-field study of cubic perovskites
Harrison LaBollita, Jeremy Lee-Hand, Fabian B. Kugler +6
While methods based on density-functional perturbation theory have dramatically improved our understanding of electron-phonon contributions to transport in materials, methods for a…
Fermi-Liquid Resistivity: Dynamical Mean-Field Theory Meets Experiment
Fabian B. Kugler, Jeremy Lee-Hand, Harrison LaBollita +6
Direct-current resistivity is a key probe for the physical properties of materials. In metals, Fermi-liquid (FL) theory serves as the basis for understanding transport. A beh…
Capping effects on spin and charge excitations in parent and superconducting Nd1-xSrxNiO2
S. Fan, H. LaBollita, Q. Gao +19
Superconductivity in infinite layer nickelates Nd1-xSrxNiO2 has so far been achieved only in thin films raising questions on the role of substrates and interfaces. Given the challe…
Assessing the formation of spin and charge stripes in LaNiO from first-principles
Harrison LaBollita, Victor Pardo, Michael R. Norman +1
We employ correlated density-functional theory methods (DFT + Hubbard ) to investigate the spin-density wave state of the bilayer Ruddlesden-Popper (RP) nickelate LaNi$_{2…
Electronic correlations, layer distinction, and electron doping in the alternating single-layer trilayer LaNiO polymorph
Harrison LaBollita, Soumen Bag, Jesse Kapeghian +1
We employ a density-functional theory plus dynamical mean-field theory framework to investigate the correlated electronic structure of the alternating single-layer trilayer (1313)…
Electronic structure and magnetic tendencies of trilayer LaNiO under pressure: structural transition, molecular orbitals, and layer differentiation
Harrison LaBollita, Jesse Kapeghian, Michael R. Norman +1
Motivated by the recent observation of superconductivity in the pressurized trilayer LaNiO Ruddlesden-Popper (RP) nickelate, we explore its structural, electronic, a…
Hydrogen is not necessary for superconductivity in topotactically reduced nickelates
Purnima P. Balakrishnan, Dan Ferenc Segedin, Lin Er Chow +19
A key open question in the study of layered superconducting nickelate films is the role that hydrogen incorporation into the lattice plays in the appearance of the superconducting…
Pressure effects on the electronic structure and magnetic properties of infinite-layer nickelates
Shekhar Sharma, Myung-Chul Jung, Harrison LaBollita +1
Motivated by the discovery of superconductivity in infinite-layer nickelates RNiO (R= rare-earth), and the subsequent enhancement of their T with pressure, we investigate t…
Polymorphism in Ruddlesden-Popper : Discovery of a Hidden Phase with Distinctive Layer Stacking
Xinglong Chen, Junjie Zhang, A. S. Thind +8
We report the discovery of a novel form of Ruddlesden-Popper (RP) oxide, which stands as the first example of long-range, coherent polymorphism in this class of inorganic solids. R…
Stabilizing the calculation of the self-energy in dynamical mean-field theory using constrained residual minimization
Harrison LaBollita, Jason Kaye, Alexander Hampel
We propose a simple and efficient method to calculate the electronic self-energy in dynamical mean-field theory (DMFT), addressing a numerical instability often encountered when so…
Conductivity of infinite-layer NdNiO as a probe of spectator bands
Harrison LaBollita, Alexander Hampel, Jonathan Karp +2
Using a density-functional theory plus dynamical mean-field theory methodology, we compute the many-body electronic structure and optical conductivity of NdNiO under the infl…
Limits to the strain engineering of layered square-planar nickelate thin films
Dan Ferenc Segedin, Berit H. Goodge, Grace A. Pan +15
The layered square-planar nickelates, NdNiO, are an appealing system to tune the electronic properties of square-planar nickelates via dimensionality; indeed…
Orbital polarization, charge transfer, and fluorescence in reduced valence nickelates
M. R. Norman, A. S. Botana, J. Karp +6
This paper presents a simple formalism for calculating X-ray absorption (XAS) and resonant inelastic x-ray scattering (RIXS) that has as input orbital-resolved density of states fr…
Antiferromagnetic metal phase in an electron-doped rare-earth nickelate
Qi Song, Spencer Doyle, Grace A. Pan +28
Long viewed as passive elements, antiferromagnetic materials have emerged as promising candidates for spintronic devices due to their insensitivity to external fields and potential…
Electronic band structure of a superconducting nickelate probed by the Seebeck coefficient in the disordered limit
G. Grissonnanche, G. A. Pan, H. LaBollita +9
Superconducting nickelates are a new family of strongly correlated electron materials with a phase diagram closely resembling that of superconducting cuprates. While analogy with t…