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20 papers
Performance Classification and Remaining Useful Life Prediction of Lithium Batteries Using Machine Learning and Early Cycle Electrochemical Impedance Spectroscopy Measurements
Christian Parsons, Adil Amin, Prasenjit Guptasarma
We presents an approach for early cycle classification of lithium-ion batteries into high and low-performing categories, coupled with the prediction of their remaining useful life…
Improved interfacial resistance and crystal-structure stability in a low-cobalt P2-type sodium-ion battery cathode material
William Rexhausen, Christian Parsons, Uma Garg +2
We describe Na0.67Mn0.625Fe0.25Co0.125O2 (NMFCO), a P2-type sodium-ion battery cathode. Our composition, with significantly less Co than in an earlier study, shows discharge capaci…
Charge Density Wave Order in Superconducting Topological Insulator Nbx-Bi2Se3
Yanan Li, Christian Parsons, Sanath Ramakrishna +6
Spontaneously broken symmetry in the ground state of Bi-based topological materials can lead to promising Topological superconductors, such as Cu-Bi2Se3, Sr-Bi2Se3 and Nb-Bi2Se3. I…
Possible Lattice and Charge Order in CuxBi2Te2Se
Yanan Li, Nathaniel P. Smith, William Rexhausen +2
Metal intercalation into layered topological insulator materials such as the binary chalcogenide Bi2X3 (X=Te or Se) has yielded novel two-dimensional electron-gas physics, phase tr…
Anomalous 140 K electronic transition in BiSe: Possible charge order in a defect-engineered system
Yanan Li, Christian Parsons, Sanath Kumar Ramakrishna +4
We report an anomalous electronic transition at 140~K in high-quality BiSe, where charge order emerges in a defect-tuned system. Native defects (Se vacancies and Bi interca…
Discovery of highly spin-polarized conducting surface states in the strong spin-orbit coupling semiconductor SbSe
Shekhar Das, Suman Kamboj, Anshu Sirohi +4
Majority of the AB type chalcogenide systems with strong spin-orbit coupling, like BiSe, BiTe and SbTe etc., are topological insulators. One importa…