90 citations · 286 across the 19 of their papers we have counts for
19 papers
Programmable phase selection between altermagnetic and non-centrosymmetric polymorphs of MnTe on InP via molecular beam epitaxy
An-Hsi Chen, Parul R. Raghuvanshi, Jacob Cook +19
Phase selecting nearly degenerate crystalline polymorphs during epitaxial growth can be challenging yet is critical to targeting physical properties for specific applications. Here…
Stoichiometry-induced ferromagnetism in altermagnetic candidate MnTe
Michael Chilcote, Alessandro R. Mazza, Qiangsheng Lu +22
The field of spintronics has seen a surge of interest in altermagnetism due to novel predictions and many possible applications. MnTe is a leading altermagnetic candidate that is o…
Emergent magnetism with continuous control in the ultrahigh conductivity layered oxide PdCoO2
Matthew Brahlek, Alessandro R. Mazza, Abdulgani Annaberdiyev +20
The current challenge to realizing continuously tunable magnetism lies in our inability to systematically change properties such as valence, spin, and orbital degrees of freedom as…
Hole doping in compositionally complex correlated oxide enables tunable exchange biasing
Alessandro R. Mazza, Elizabeth Skoropata, Jason Lapano +8
Magnetic interfaces and the phenomena arising from them drive both the design of modern spintronics and fundamental research. Recently, it was revealed that through designing magne…
Interplay between Topological States and Rashba States as Manifested on Surface Steps at Room Temperature
Wonhee Ko, Seoung-Hun Kang, Jason Lapano +7
The unique spin texture of quantum states in topological materials underpins many proposed spintronic applications. However, realizations of such great potential are stymied by per…
Surface-Driven Evolution of the Anomalous Hall Effect in Magnetic Topological Insulator MnBi2Te4 Thin Films
Alessandro R. Mazza, Jason Lapano, Harry M. Meyer +11
Understanding the effects of interfacial modification to the functional properties of magnetic topological insulator thin films is crucial for developing novel technological applic…
Searching for Superconductivity in High Entropy Oxide Ruddlesden-Popper Cuprate Films
Alessandro R. Mazza, Xingyao Gao, Daniel J. Rossi +10
In this work, the high entropy oxide A2CuO4 Ruddlesden-Popper (La0.2Pr0.2Nd0.2Sm0.2Eu0.2)2CuO4 is explored by charge doping with Ce+4 and Sr+2 at concentrations known to induce sup…
Design and realization of Ohmic and Schottky interfaces for oxide electronics
Jie Zhang, Yun-Yi Pai, Jason Lapano +8
Understanding band alignment and charge transfer at complex oxide interfaces is critical to tailoring and utilizing their diverse functionality. Towards this goal, we design and ex…
Self-regulated growth of candidate topological superconducting parkerite by molecular beam epitaxy
Jason Lapano, Yun-Yi Pai, Alessandro Mazza +17
Ternary chalcogenides such as the parkerites and shandites are a broad class of materials exhibiting rich diversity of transport and magnetic behavior as well as an array of topolo…
Flat Band Induced Negative Magnetoresistance in Multi-Orbital Kagome Metal
Jie Zhang, T. Yilmaz, J. W. R. Meier +14
Electronic flat band systems are a fertile platform to host correlation-induced quantum phenomena such as unconventional superconductivity, magnetism and topological orders. While…
Magnetostriction of α-RuCl3 flakes in the zigzag phase
Yun-Yi Pai, Claire E. Marvinney, Matthew A. Feldman +7
Motivated by the possibility of an intermediate U(1) quantum spin liquid phase in out-of-plane magnetic fields and enhanced magnetic fluctuations in exfoliated α-RuCl3 flakes, we s…
Effective reduction of PdCoO2 thin films via hydrogenation and sign tunable anomalous Hall effect
Gaurab Rimal, Yiting Liu, Caleb Schmidt +14
PdCoO2 , belonging to a family of triangular oxides called delafossite, is one of the most conducting oxides. Its in-plane conductivity is comparable to those of the best metals, a…
Designer Magnetism in High Entropy Oxides
Alessandro R. Mazza, Elizabeth Skoropata, Yogesh Sharma +11
Disorder can have a dominating influence on correlated and quantum materials leading to novel behaviors which have no clean limit counterparts. In magnetic systems, spin and exchan…
Van der Waals Epitaxy on Freestanding Monolayer Graphene Membrane by MBE
Jason Lapano, Ondrej Dyck, Andrew Lupini +8
Research on two-dimensional materials has expanded over the past two decades to become a central theme in condensed matter research today. Significant advances have been made in th…
Adsorption-controlled growth of MnTe(Bi2Te3)n by molecular beam epitaxy exhibiting stoichiometry-controlled magnetism
Jason Lapano, Lauren Nuckols, Alessandro R. Mazza +12
We report the growth of the intrinsic magnetic topological system MnTe(Bi2Te3)n by molecular beam epitaxy. By mapping the temperature and the Bi:Mn flux ratio, it is shown that the…
Observation of a Chiral Wave Function in Twofold Degenerate Quadruple Weyl System BaPtGe
Haoxiang Li, Tiantian Zhang, A. Said +10
Topological states in quantum materials are defined by non-trivial topological invariants, such as the Chern number, which are properties of their bulk wave functions. A remarkable…
Strong spin-dephasing in a topological insulator - paramagnet heterostructure
Jason Lapano, Alessandro R. Mazza, Haoxiang Li +9
The interface between magnetic materials and topological insulators can drive the formation of exotic phases of matter and enable functionality through manipulation of the strong s…
Unexpected crystalline homogeneity from the disordered bond network in La(Cr0.2Mn0.2Fe0.2Co0.2Ni0.2)O3 films
Matthew Brahlek, Alessandro R. Mazza, Krishna Chaitanya Pitike +5
Designing and understanding functional electronic and magnetic properties in perovskite oxides requires controlling and tuning the underlying crystal lattice. Here we report the st…
Correlating surface stoichiometry and termination in SrTiO films grown by hybrid molecular beam epitaxy
Suresh Thapa, Sydney R. Provence, Devin Jessup +6
Hybrid oxide molecular beam epitaxy (hMBE), a thin-film deposition technique in which transition metal cations are delivered using a metal-organic precursor, has emerged as the sta…