226 citations · 443 across the 12 of their papers we have counts for
13 papers
Gate-tunable anomalous Hall effect in a 3D topological insulator/2D magnet van der Waals heterostructure
Vishakha Gupta, Rakshit Jain, Yafei Ren +8
We demonstrate advantages of samples made by mechanical stacking of exfoliated van der Waals materials for controlling the topological surface state of a 3-dimensional topological…
Synthesis and Electrochemical Study of Multi-Phase, Multi-Species Ion Conductor Sodium beta"-Alumina (BASE) + 20SDC Using a Vapor-Phase Process
Pooya Elahi, Jude A. Horsley, Taylor D. Sparks
The recent emergence of multi-species multi-phase materials provides intriguing opportunities to maximize electrochemical performance in various electrochemical devices. This work…
Effect of Sintering Conditions on the Microstructure and Electrochemical Properties of 6Scandia 1Ceria co-doped Zirconia (6Sc1CeZr)
Pooya Elahi, Elizabeth Winterholler, Taylor D. Sparks
The current work studies the effect of sintering conditions on the densification behavior, microstructure, and electrochemical performance of 6 mol% Sc2O3, 1 mol% CeO2 co-doped ZrO…
High-dimensional Bayesian Optimization of Hyperparameters for an Attention-based Network to Predict Materials Property: a Case Study on CrabNet using Ax and SAASBO
Sterling G. Baird, Marianne Liu, Taylor D. Sparks
Expensive-to-train deep learning models can benefit from an optimization of the hyperparameters that determine the model architecture. We optimize 23 hyperparameters of a materials…
Data-Driven Materials Discovery and Synthesis using Machine Learning Methods
Sterling G. Baird, Marianne Liu, Hasan M. Sayeed +1
Experimentally [1-38] and computationally [39-50] validated machine learning (ML) articles are sorted based on the size of the training data: 1-100, 101-10000, and 10000+ in a comp…
Real-space visualization of short-range antiferromagnetic correlations in a magnetically enhanced thermoelectric
Raju Baral, Jacob Christensen, Parker Hamilton +10
Short-range magnetic correlations can significantly increase the thermopower of magnetic semiconductors, representing a noteworthy development in the decades-long effort to develop…
Topological Phase Transitions in a Hybridized Three-Dimensional Topological Insulator
Su Kong Chong, Lizhe Liu, Taylor D. Sparks +2
As the thickness of a three-dimensional (3D) topological insulator (TI) becomes comparable to the penetration depth of the surface states, quantum tunneling between surfaces turns…
Landau Levels of Topologically-Protected Surface States Probed by Dual-Gated Quantum Capacitance
Su Kong Chong, Ryuichi Tsuchikawa, Jared Harmer +2
Spectroscopy of discrete Landau levels (LLs) in bulk-insulating three-dimensional topological insulators (3D TIs) in perpendicular magnetic field characterizes the Dirac nature of…
Tunable Coupling between Surface States of a Three-Dimensional Topological Insulator in the Quantum Hall Regime
Su Kong Chong, Kyu Bum Han, Taylor D. Sparks +1
The paired top and bottom Dirac surface states, each associated with a half-integer quantum Hall (QH) effect, and a resultant integer QH conductance (νe2/h), are hallmarks of a thr…
Topological Insulator-Based van der Waals Heterostructures for Effective Control of Massless and Massive Dirac Fermions
Su Kong Chong, Kyu Bum Han, Akira Nagaoka +8
Three dimensional (3D) topological insulators (TIs) are an important class of materials with applications in electronics, spintronics and quantum computing. With the recent develop…
Enhancement in surface mobility and quantum transport of Bi_(2-x)Sb_(x)Te_(3-y)Se_(y) topological insulator by controlling the crystal growth conditions
Kyu-Bum Han, Su Kong Chong, Akira Nagaoka +4
Despite numerous studies on three-dimensional topological insulators (3D TIs), the controlled growth of high quality (bulk-insulating and high mobility) TIs remains a challenging s…
A recommendation engine for suggesting unexpected thermoelectric chemistries
Michael W. Gaultois, Anton O. Oliynyk, Arthur Mar +3
The experimental search for new thermoelectric materials remains largely confined to a limited set of successful chemical and structural families, such as chalcogenides, skutterudi…
Magnetocapacitance as a sensitive probe of magnetostructural changes in NiCrO
Taylor D. Sparks, Moureen C. Kemei, Phillip T. Barton +3
The spinel NiCrO is characterized using dielectric and high magnetic field measurements. The trends in the magnetodielectric response fall into three clear temperature regi…