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The interplay between ferroelectricity and electrochemical reactivity on the surface of binary ferroelectric AlBN
Yongtao Liu, Anton Ievlev, Joseph Casamento +5
Polarization dynamics and domain structure evolution in ferroelectric AlBN are studied using piezoresponse force microscopy and spectroscopies in ambient and cont…
Large Enhancements in Optical and Piezoelectric Properties in Ferroelectric Zn1-xMgxO Thin Films through Engineering Electronic and Ionic Anharmonicities
Rui Zu, Gyunghyun Ryu, Kyle P. Kelley +10
Multifunctionality as a paradigm requires materials exhibiting multiple superior properties. Integrating second-order optical nonlinearity and large bandgap with piezoelectricity c…
Anomalously Abrupt Switching of Ferroelectric Wurtzites
Keisuke Yazawa, John Hayden, Jon-Paul Maria +4
Ferroelectric polarization switching is one common example of a process that occurs via nucleation and growth, and understanding switching kinetics is crucial for applications such…
On the thermal and mechanical properties of MgCoNiCuZnO across the high-entropy to entropy-stabilized transition
Christina M. Rost, Daniel L. Schmuckler, Clifton Bumgardner +7
As various property studies continue to emerge on high entropy and entropy-stabilized ceramics, we seek further understanding of property changes across the phase boundary between…
Automated Experiments of Local Non-linear Behavior in Ferroelectric Materials
Yongtao Liu, Kyle P. Kelley, Rama K. Vasudevan +7
We develop and implement an automated experiment in multimodal imaging to probe structural, chemical, and functional behaviors in complex materials and elucidate the dominant physi…
High-entropy ceramics: propelling applications through disorder
Cormac Toher, Corey Oses, Marco Esters +6
Disorder enhances desired properties, as well as creating new avenues for synthesizing materials. For instance, hardness and yield stress are improved by solid-solution strengtheni…
Fermi Level Engineering and Mechanical Properties of High Entropy Carbides
Mohammad Delower Hossain, Sarah Lowum, Trent Borman +1
Fermi level engineering and mechanical properties evolution in high entropy carbides are investigated by theoretical and experimental means. Massive elemental diversity in high ent…
High-entropy high-hardness metal carbides discovered by entropy descriptors
Pranab Sarker, Tyler Harrington, Cormac Toher +6
High-entropy materials have attracted considerable interest due to the combination of useful properties and promising applications. Predicting their formation remains the major hin…
Thermal boundary conductance across epitaxial ZnO/GaN interfaces: Assessment of phonon gas models and atomistic Green's function approaches for predicting interfacial phonon transport
John T. Gaskins, George Kotsonis, Ashutosh Giri +13
We present experimental measurements of the thermal boundary conductance (TBC) from K across isolated heteroepitaxially grown ZnO films on GaN substrates. These data pro…