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Showing 2023 · cond-mat.mtrl-sciShow all

27 papers · 2 filters

cond-mat.mtrl-sci2023★ 9 cited

Materials Expert-Artificial Intelligence for Materials Discovery

Yanjun Liu, Milena Jovanovic, Krishnanand Mallayya +5

The advent of material databases provides an unprecedented opportunity to uncover predictive descriptors for emergent material properties from vast data space. However, common reli…

cond-mat.mtrl-sci2023★ 20 cited

Growth, catalysis and faceting of -GaO and -(InGa)O on -plane -AlO by molecular beam epitaxy

Martin S. Williams, Manuel Alonso-Orts, Marco Schowalter +7

The growth of -GaO and -(InGa)O on -plane -AlO(100) by molecular beam epitaxy (MBE) and metal-oxide-catalyzed epitaxy (MOCA…

cond-mat.mtrl-sci2023

Silicon Implantation and Annealing in -GaO: Role of Ambient, Temperature, and Time

K. R. Gann, N. Pieczulewski1, C. A. Gorsak +9

Optimizing thermal anneals of Si-implanted -GaO is critical for low resistance contacts and selective area doping. We report the impact of annealing ambient, temperature…

cond-mat.mtrl-sci2023★ 31 cited

Controlling the Manifold of Polariton States Through Molecular Disorder

Aleesha George, Trevor Geraghty, Zahra Kelsey +4

Exciton polaritons, arising from the interaction of electronic transitions with confined electromagnetic fields, have emerged as a powerful tool to manipulate the properties of org…

cond-mat.mtrl-sci2023★ 5 cited

Benchmarking Inverse Optimization Algorithms for Materials Design

Hanfeng Zhai, Hongxia Hao, Jingjie Yeo

Machine learning-based inverse materials discovery has attracted enormous attention recently due to its flexibility in dealing with black box models. Yet, many metaheuristic algori…

cond-mat.mtrl-sci2023★ 5 cited

Supercell formation in epitaxial rare-earth ditelluride thin films

Adrian Llanos, Salva Salmani-Rezaie, Jinwoong Kim +3

Square net tellurides host an array of electronic ground states and commonly exhibit charge-density-wave ordering. Here we report the epitaxy of DyTe on atomically flat MgO…

cond-mat.mtrl-sci2023★ 14 cited

Tuning the Curie temperature of a 2D magnet/topological insulator heterostructure to above room temperature by epitaxial growth

Wenyi Zhou, Alexander J. Bishop, Xiyue S. Zhang +10

Heterostructures of two-dimensional (2D) van der Waals (vdW) magnets and topological insulators (TI) are of substantial interest as candidate materials for efficient spin-torque sw…

cond-mat.mtrl-sci2023★ 8 cited

Probabilistic Phase Labeling and Lattice Refinement for Autonomous Material Research

Ming-Chiang Chang, Sebastian Ament, Maximilian Amsler +6

X-ray diffraction (XRD) is an essential technique to determine a material's crystal structure in high-throughput experimentation, and has recently been incorporated in artificially…

cond-mat.mtrl-sci2023★ 17 cited

Endotaxial Stabilization of 2D Charge Density Waves with Long-range Order

Suk Hyun Sung, Nishkarsh Agarwal, Ismail El Baggari +10

Charge density waves are emergent quantum states that spontaneously reduce crystal symmetry, drive metal-insulator transitions, and precede superconductivity. In low-dimensions, di…

cond-mat.mtrl-sci2023★ 10 cited

Optical Dipole Structure and Orientation of GaN Defect Single-Photon Emitters

Yifei Geng, Debdeep Jena, Gregory D. Fuchs +2

GaN has recently been shown to host bright, photostable, defect single photon emitters in the 600-700 nm wavelength range that are promising for quantum applications. The nature an…

cond-mat.mtrl-sci2023★ 12 cited

Topotactically induced oxygen vacancy order in nickelate single crystals

Yu-Mi Wu, Pascal Puphal, Hangoo Lee +6

The strong structure-property coupling in rare-earth nickelates has spurred the realization of new quantum phases in rapid succession. Recently, topotactic transformations have pro…

cond-mat.mtrl-sci2023★ 7 cited

Growth kinetics and substrate stability during high-temperature molecular beam epitaxy of AlN nanowires

Philipp John, Mikel Gómez Ruiz, Len van Deurzen +5

We study the molecular beam epitaxy of AlN nanowires between 950 and 1215 °C, well above the usual growth temperatures, to identify optimal growth conditions. The nanowires are gro…

cond-mat.mtrl-sci2023★ 7 cited

A fully ab initio approach to inelastic atom-surface scattering

Michelle M. Kelley, Ravishankar Sundararaman, Tomás A. Arias

We introduce a fully ab initio theory for inelastic scattering of any atom from any surface exciting single phonons, and apply the theory to helium scattering from Nb(100). The key…

cond-mat.mtrl-sci2023★ 15 cited

Excitonic and deep-level emission from N- and Al-polar homoepitaxial AlN grown by molecular beam epitaxy

Len van Deurzen, Jashan Singhal, Jimy Encomendero +8

Using low-temperature cathodoluminescence spectroscopy, we study the properties of N- and Al-polar AlN layers grown by molecular beam epitaxy on bulk AlN{0001}. Compared to the bul…

cond-mat.mtrl-sci2023★ 7 cited

Thermodynamic route of Nb3Sn nucleation: Role of oxygen

Zeming Sun, Darrah K. Dare, Zhaslan Baraissov +3

Intermetallic Nb3Sn alloys have long been believed to form through Sn diffusion into Nb. However, our observations of significant oxygen content in Nb3Sn prompted an investigation…

cond-mat.mtrl-sci2023★ 12 cited

Surface oxides, carbides, and impurities on RF superconducting Nb and Nb3Sn: A comprehensive analysis

Zeming Sun, Zhaslan Baraissov, Catherine A. Dukes +5

Surface structures on radio-frequency (RF) superconductors are crucially important in determining their interaction with the RF field. Here we investigate the surface compositions,…

cond-mat.mtrl-sci2023★ 11 cited

Coherent control of the translational and point group symmetries of crystals with light

Guru Khalsa, Jeffrey Z. Kaaret, Nicole A. Benedek

We use theory and first-principles calculations to explore mechanisms for control of the translational and point group symmetries of crystals in ultrafast optical experiments. We f…

cond-mat.mtrl-sci2023★ 16 cited

Phase Stability of Hexagonal/cubic Boron Nitride Nanocomposites

Abhijit Biswas, Rui Xu, Joyce Christiansen-Salameh +21

Boron nitride (BN) is an exceptional material and among its polymorphs, two-dimensional (2D) hexagonal and three-dimensional (3D) cubic BN (h-BN and c-BN) phases are most common. T…

cond-mat.mtrl-sci2023★ 16 cited

Non-linear optics at twist interfaces in h-BN/SiC heterostructures

Abhijit Biswas, Rui Xu, Gustavo A. Alvarez +24

Understanding the emergent electronic structure in twisted atomically thin layers has led to the exciting field of twistronics. However, practical applications of such systems are…

cond-mat.mtrl-sci2023★ 31 cited

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…

cond-mat.mtrl-sci2023★ 5 cited

ZrNb(CO) RF superconducting thin film with high critical temperature in the theoretical limit

Zeming Sun, Thomas Oseroff, Zhaslan Baraissov +11

Superconducting radio-frequency (SRF) resonators are critical components for particle accelerator applications, such as free-electron lasers, and for emerging technologies in quant…

cond-mat.mtrl-sci2023★ 18 cited

YbVSb and EuVSb, vanadium-based kagome metals with Yb and Eu zig-zag chains

Brenden R. Ortiz, Ganesh Pokharel, Malia Gundayao +14

Here we present YbVSb and EuVSb, two new compounds exhibiting slightly distorted vanadium-based kagome nets interleaved with zig-zag chains of divalent Yb an…

cond-mat.mtrl-sci2023★ 7 cited

Employing High-temperature-grown SrZrO Buffer to Enhance the Electron Mobility in La:BaSnO-based Heterostructures

Prosper Ngabonziza, Jisung Park, Wilfried Sigle +3

We report a synthetic route to achieve high electron mobility at room temperature in epitaxial La:BaSnO/SrZrO heterostructures prepared on several oxide substrates. Room-te…

cond-mat.mtrl-sci2023★ 16 cited

Smooth, homogeneous, high-purity Nb3Sn superconducting RF resonant cavity by seed-free electrochemical synthesis

Zeming Sun, Zhaslan Baraissov, Ryan D. Porter +6

Workbench-size particle accelerators, enabled by Nb3Sn-based superconducting radio-frequency (SRF) cavities, hold the potential of driving scientific discovery by offering a widely…