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Tuning Fermi Levels in Intrinsic Antiferromagnetic Topological Insulators MnBi2Te4 and MnBi4Te7 by Defect Engineering and Chemical Doping
Mao-Hua Du, Jiaqiang Yan, Valentino R. Cooper +1
MnBi2Te4 and MnBi4Te7 are intrinsic antiferromagnetic topological insulators, offering a promising materials platform for realizing exotic topological quantum states. However, high…
Predicting the phase stability of multi-component high entropy compounds
Krishna Chaitanya Pitike, Santosh KC, Markus Eisenbach +2
A generic method to estimate the relative feasibility of formation of high entropy compounds in a single phase, directly from first principles, is developed. As a first step, the r…
Tuning Magnetic Order in the van der Waals Metal Fe5GeTe2 by Cobalt Substitution
Andrew F. May, Mao-Hua Du, Valentino R. Cooper +1
Fe5-xGeTe2 is a van der Waals material with one of the highest reported bulk Curie temperatures, ~ 310K. In this study, theoretical calculations and experiments are utilized…
On the Elastic Anisotropy of the Entropy-Stabilized Oxide (Mg, Co, Ni, Cu, Zn)O
Krishna Chaitanya Pitike, Andres Marquez-Rossy, Alexis Flores-Betancourt +4
In this paper, we study the elastic properties of the entropy-stabilized oxide (Mg, Co, Ni, Cu, Zn)O, using experimental and first principles techniques. Our measurements of the in…
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…