560 citations · 2.3k across the 60 of their papers we have counts for
62 papers
Geometric Approach to the High-Throughput Identification of Honeycomb Materials
Lex M. Rouquette, Alannah M. Hallas
The honeycomb lattice is an iconic structural motif in condensed matter physics. However, emerging theoretical models require the identification of new honeycomb lattice materials…
Prominent Dimensional Effects on High-order Harmonic Generation in Strongly Correlated Electron Systems
Kento Uchida, Shintaro Takayoshi, Yuta Murakami +6
Dimensionality strongly affects elementary excitations in correlated quantum materials, yet its impact on extreme nonlinear optical responses remains largely unexplored. Here, we c…
Rare-earth oxysulfides REOS as model mixed-anion frustrated magnets
Austin M. Ferrenti, Ksenia Khoroshun, Mohamed Oudah +3
The study of low-dimensional and anisotropic magnetism is a promising avenue for the discovery of novel quantum phenomena. Mixed-anion materials, defined by the coordination of met…
Machine Learning Guided Discovery of Corundum High Entropy Oxides
Abraham A. Mancilla, Oliver A. Dicks, Solveig S. Aamlid +5
Early thinking in the field of high entropy oxides (HEOs) emphasized their likely abundance, with combinatorial arguments hinting at a myriad of new materials. The experimental rea…
Disentangling the contributions of individual cations to magnetic order in a spinel high entropy oxide
Mario Ulises González-Rivas, Chun-Fu Chang, Martin Bluschke +8
High entropy oxides (HEOs) can possess long-range ordered magnetic states despite their extreme chemical disorder. Very little is known about how the different chemical constituent…
KCo(TeO) 2.5 HO : A mineral-inspired pseudo-honeycomb cobalt dimer antiferromagnet
Austin M. Ferrenti, Maxime A. Siegler, Yiqing Hao +9
In recent years, magnetically-frustrated triangular and honeycomb lattice cobaltates have seen extensive study in the pursuit of a quantum spin liquid (QSL) state in a real materia…
More is different: How chemical complexity influences stability in high entropy oxides
Ksenia Khoroshun, Mario U. González-Rivas, Alannah M. Hallas
Tailoring the chemical composition of a high entropy oxide (HEO) is a powerful approach to enhancing desirable material properties. However, the targeted synthesis of HEO materials…
Direct Fabrication of a Superconducting Two-Dimensional Electron Gas on KTaO3(111) via Mg-Induced Surface Reduction
Chun Sum Brian Pang, Bruce A. Davidson, Fengmiao Li +16
Two-dimensional electron gases (2DEGs) at the surfaces of KTaO3 have become an exciting platform for exploring strong spin-orbit coupling, Rashba physics, and low-carrier-density s…
Coherent high-velocity chiral magnons in the metallic altermagnet CrSb
Ashutosh K. Singh, Niclas Heinsdorf, Abraham A. Mancilla +8
We report the collective magnetism of the metallic altermagnet CrSb. Magnetic susceptibility and polarized neutron diffraction measurements show that CrSb is a perfectly compensate…
Expanding the search space of high entropy oxides and predicting synthesizability using machine learning interatomic potentials
Oliver A. Dicks, Solveig S. Aamlid, Alannah M. Hallas +1
We propose an efficient computational methodology for predicting the synthesizability of high entropy oxides (HEOs) in a large space of possible candidate compounds. HEOs are a gro…
Vanishing ordered moment in the frustrated triangular lattice antiferromagnet CuNdO
Jonathan Gaudet, Dalmau Reig-i-Plessis, Bogeng Wen +9
We investigate the magnetic ground state of CuNdO, which is a delafossite with a triangular lattice of magnetic Nd ions that are well separated by non-magnetic Cu spacer…
Intrinsic defect intolerance in the ultra-pure metal PtSn
Samikshya Sahu, Dong Chen, Niclas Heinsdorf +6
Ultra-pure materials are highly valued as model systems for the study of intrinsic physics. Frequently, however, the crystal growth of such pristine samples requires significant op…
Kramers nodal lines in intercalated TaS superconductors
Yichen Zhang, Yuxiang Gao, Aki Pulkkinen +24
Kramers degeneracy is one fundamental embodiment of the quantum mechanical nature of particles with half-integer spin under time reversal symmetry. Under the chiral and noncentrosy…
The origin and scarcity of breathing pyrochlore lattices in spinel oxides
Valentina Mazzotti, Solveig S. Aamlid, Abraham A. Mancilla +5
Breathing pyrochlores are a unique class of materials characterized by a three-dimensional lattice of corner-sharing tetrahedra. However, unlike conventional pyrochlores where all…
Impact of synthesis method on the structure and function of high entropy oxides
Mario U. González-Rivas, Solveig S. Aamlid, Megan R. Rutherford +9
The term sample dependence describes the troublesome tendency of nominally equivalent samples to exhibit different physical properties. High entropy oxides (HEOs) are a class of ma…
Tetragonal BaCoO: A Co Ferromagnetic Mott Insulator with Inverted Spin Crossover
Mingyu Xu, Haozhe Wang, Krishna Prasad Koirala +13
The interplay between crystal electric field splitting of d states and Hund's rule exchange energy in cobalt-based perovskites offers a promising avenue for inducing spin-state tra…
Effect of high pressure synthesis conditions on the formation of high entropy oxides
Solveig Stubmo Aamlid, Minu Kim, Mario U. González-Rivas +3
High entropy materials are often entropy stabilized, meaning that the configurational entropy from multiple elements sharing a single lattice site stabilizes the structure. In this…
Short-range order and local distortions in entropy stabilized oxides
Solveig S. Aamlid, Sam Mugiraneza, Mario U. González-Rivas +3
An idealized high entropy oxide is characterized by perfect chemical disorder and perfect positional order. In this work, we investigate the extent to which short-range order (SRO)…
Physical properties and electronic structure of the two-gap superconductor VGa
P. -Y. Cheng, Mohamed Oudah, T. -L. Hung +16
We present a thorough investigation of the physical properties and superconductivity of the binary intermetallic V2Ga5. Electrical resistivity and specific heat measurements show t…
Discovery of Superconductivity and Electron-Phonon Drag in the Non-Centrosymmetric Weyl Semimetal LaRhGe
Mohamed Oudah, Hsiang-Hsi Kung, Samikshya Sahu +11
We present an exploration of the effect of electron-phonon coupling and broken inversion symmetry on the electronic and thermal properties of the semimetal LaRhGe. Our transpor…
Phase stability of entropy stabilized oxides with the -PbO structure
Solveig S. Aamlid, Graham H. J. Johnstone, Sam Mugiraneza +3
The prediction of new high entropy oxides (HEOs) remains a profound challenge due to their inherent chemical complexity. In this work, we combine experimental and computational met…
Direct confirmation of long-range magnetic order and evidence for multipoles in CeO
Alexandra Cote, J. Eddie Slimak, Astha Sethi +10
The sesquioxide, CeO, has been a material of intense interest in recent years due to reports of an anomalous giant magnetodielectric effect and emergent mixed crystal f…
Symmetry-mode analysis for local structure investigations using pair distribution function data
Parker K. Hamilton, Jaime M. Moya, Alannah M. Hallas +3
Symmetry-adapted distortion modes provide a natural way to describe distorted structures derived from higher-symmetry parent phases. Structural refinements using symmetry-mode ampl…
Understanding the role of entropy in high entropy oxides
Solveig S. Aamlid, Mohamed Oudah, Jörg Rottler +1
The field of high entropy oxides (HEOs) flips traditional materials science paradigms on their head by seeking to understand what properties arise in the presence of profound confi…