Research Summary
Randall’s research interests are in the area of discovery and compositional design of functional materials for electrical energy transduction and storage, defect chemistry and crystal chemistry and their impact on phase transition behavior, electromechanical devices based upon electrostriction and piezoelectrics, supercapacitors, thermoelectrics, and microwave materials. He has used a variety of different processing and characterization methods that have impacted manufacturing and development processes for materials, particularly in the capacitor and piezoelectric industry.
In the News
Research Keywords
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Projects
Recent Publications
Densification and mechanical strengthening of binderless graphite compacts via cold sintering of electroless copper coated powders
Foster, L., Mena-Garcia, J., Randall, C. A. & Rajagopalan, R., Mar 1 2026, In: Materials Chemistry and Physics. 351, 131981.Research output: Contribution to journal › Article › peer-review
Cold Sintering of Zeolite 13X: Water versus Sodium Hydroxide Pathways to 99% Densification and Porosity Retention
Gopi, S., Wang, S. F., Randall, C. A., Wang, K. & Gray, J. L., Jan 2 2026, In: Small. 22, 1, e09928.Research output: Contribution to journal › Article › peer-review
Far from equilibrium pulsed poled Mn-doped relaxor ferroelectrics: a positive aging relaxation process
Mervosh, M. W. & Randall, C. A., Jan 1 2026, In: Acta Materialia. 302, 121627.Research output: Contribution to journal › Article › peer-review
Thermal analysis of base metal electrode multilayer ceramic capacitors
Kang, K., Shoemaker, D. C., Yousefian, P., Cockburn, J., Ellmore, A., Lanagan, M. T., Randall, C. A., Trolier-McKinstry, S. & Choi, S., Oct 2025, In: Journal of the American Ceramic Society. 108, 10, e70020.Research output: Contribution to journal › Article › peer-review
Co-continuous composites from cold sintering
Lai, P. H., Lan, Y. C., Jacob, B. J., Fanghanel, J., Ghasemi, M., Facusse, O., Colby, R. H., Randall, C. A., Gomez, E. D. & Vogt, B., Oct 2025, In: Journal of the American Ceramic Society. 108, 10, e70003.Research output: Contribution to journal › Article › peer-review
Cold sintering of geopolymer powders
Lattanzi, L., Conte, A., Sin, A., Garcia, J. M., Randall, C. A. & Colombo, P., Apr 2025, In: Journal of the American Ceramic Society. 108, 4, e20331.Research output: Contribution to journal › Article › peer-review
Energy efficient sintering of high-performance ceramics
Li, X., Liu, W., Li, L., Liu, X., Li, X., Guo, S., Xu, W., Xu, W., Guo, J., Wang, H. & Randall, C. A., Nov 2025, In: Journal of Advanced Ceramics. 14, 11, 9221186.Research output: Contribution to journal › Article › peer-review
Multiple creep mechanisms driving densification of composites undergoing cold sintering
Mena-Garcia, J., Momjian, S., Fan, Z., Ndayishimiye, A., Auker, W., Gray, J. & Randall, C. A., Oct 2025, In: Journal of the European Ceramic Society. 45, 13, 117440.Research output: Contribution to journal › Article › peer-review
A comparative consideration of the link between poling procedure, induced damage, and piezoelectric response in perovskite ferroelectrics
Mervosh, M. W., Jones, H., Argüelles, A. P., Trolier-McKinstry, S. & Randall, C. A., Jun 28 2025, In: Journal of Applied Physics. 137, 24, 244102.Research output: Contribution to journal › Article › peer-review
A far from equilibrium state developed from pulse poling for high performance piezoelectric transducers
Mervosh, M. W., Lee, J. H. & Randall, C. A., Dec 2025, In: Nano Convergence. 12, 1, 62.Research output: Contribution to journal › Review article › peer-review
Non-equilibrium thermodynamics and kinetics of the sintering process: A relaxation model describing cold sintering
Momjian, S., Mauro, J. C. & Randall, C. A., Dec 2025, In: Journal of the American Ceramic Society. 108, 12, e70180.Research output: Contribution to journal › Article › peer-review
Cold sintering of hexagonal boron nitride micro flakes
Nishiyama, H., Mena-Garcia, J., Shimizu, H., Jones, A. H., Gaskins, J. T. & Randall, C. A., Sep 1 2025, In: Surfaces and Interfaces. 72, 106901.Research output: Contribution to journal › Article › peer-review
Demonstration of thick film processes for composite BaTiO3-based devices by a solvent-free polymer fibrillation method
Ribeiro, C., Nishiyama, H., Tkach, A., Costa, M. E., Vilarinho, P. M. & Randall, C., Oct 1 2025, In: Chemical Engineering Journal. 521, 166605.Research output: Contribution to journal › Article › peer-review
Nitrogen Vacancies Induce Fatigue in Ferroelectric Al0.93B0.07N
Smith, W. J., Akkopru-Akgun, B., Ozdemir, E., Dryzhakov, B., Hayden, J., Maria, J. P., Kelley, K. P., Randall, C. A., Trolier-McKinstry, S. & Beechem, T. E., Sep 30 2025, In: ACS nano. 19, 38, p. 34089-34096 8 p.Research output: Contribution to journal › Article › peer-review
Cold sintered semiconducting composites through integrating 2D MXene into the grain boundaries of Na2Mo2O7 dielectric ceramic
Xv, W., Li, X., Wang, H., Yang, J., Randall, C. A. & Guo, J., Jul 14 2025, In: Applied Physics Letters. 127, 2, 021903.Research output: Contribution to journal › Article › peer-review