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3. Complex Materials


The Complex Materials thrust targets studies of multi-component and multi-phase materials exhibiting order and composition over a range of length scales such as nanophase, mesoscopic, composite, and polyphase materials, including new materials produced by advanced (e.g., additive) manufacturing methods.  Research within CDAC has recently addressed pressure induced enhancement of thermoelectric properties, led in part by CDAC Research Professor Ravhi Kumar in collaboration with LANL and HPCAT [1]. HPCAT and FIS provide state-of-the art methods for investigating multiple aspects of complex materials behavior, as illustrated by former Northwestern student Ryan Klein in his study of pressure-induced collapse of magnetic order in jarosite. A recent UIC collaboration with students at Penn State has led to the development of methods for fabrication of diamond encapsulated silicon fibers by chemical vapor deposition [3].

[1] J. L. Baker et al., J. Phys. Chem. Lett. 12, 1046-1051 (2021);  [2] R. A. Klein et al., Phys. Rev. Lett. 125, 077702 (2020);  [3] A. T. Hendrickson et al., AIP Advances 10, 095009 (2020).