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
Conductivity of cold sintered diphasic composites containing a ceramic active material and a solid-state electrolyte or carbon for all solid-state batteries
Grady, Z. M., Fan, Z., Fanghanel, J. & Randall, C. A., Jan 22 2024, In: Journal of Materials Chemistry A. 12, 8, p. 4492-4512 21 p.Research output: Contribution to journal › Article › peer-review
Effect of Silver Modification on the Kinetics and Mechanisms of an Electrochemical Glycerol Oxidation Reaction at a Platinum Electrode in an Alkaline Medium
Hamada, T., Chiku, M., Higuchi, E., Randall, C. A. & Inoue, H., Mar 11 2024, In: ACS Applied Energy Materials. 7, 5, p. 1970-1982 13 p.Research output: Contribution to journal › Article › peer-review
Influences of processing temperatures on the nature of polarization phenomena in 85% (Bi0.5Na0.5)TiO3-15%BaTiO3 with different strategies of bismuth oxide non-stoichiometry
Fan, Z. & Randall, C. A., Jun 7 2023, In: Journal of Applied Physics. 133, 21, 214101.Research output: Contribution to journal › Article › peer-review
The strange case of enhancing the resistivity by extended sintering time in (Bi0.5Na0.5)TiO3–BaTiO3 solid solution
Fan, Z. & Randall, C. A., Dec 1 2023, In: Solid State Communications. 375, 115355.Research output: Contribution to journal › Article › peer-review
Understanding the depolarization temperature in (Bi0.5Na0.5)TiO3-based ferroelectrics
Fan, Z., Momjian, S. & Randall, C. A., Aug 2023, In: Journal of the European Ceramic Society. 43, 9, p. 4021-4028 8 p.Research output: Contribution to journal › Article › peer-review
Crystallization of LiNbO3 and NaNbO3 in niobiosilicate glass–ceramics
Gerace, K. S., Randall, C. A. & Mauro, J. C., Apr 2023, In: Journal of the American Ceramic Society. 106, 4, p. 2716-2731 16 p.Research output: Contribution to journal › Article › peer-review
Techno-environmental analysis of material substitution in thermoelectric modules: non-oxide (bismuth telluride alloys) vs. oxide-based (lanthanum-doped strontium titanate and calcium cobaltite) materials
Ibn-Mohammed, T., Koh, S. C. L., Mustapha, K. B., Smith, L., Acquaye, A., Iyasara, A. C., Hussain, F., Morley, N., Sinclair, D. C., Randall, C. A. & Reaney, I. M., Jul 2023, In: Energy Conversion and Management: X. 19, 100395.Research output: Contribution to journal › Article › peer-review
Scaling up the cold sintering process of ceramics
Jabr, A., Jones, H. N., Argüelles, A. P., Trolier-McKinstry, S., Randall, C. & Bermejo, R., Sep 2023, In: Journal of the European Ceramic Society. 43, 12, p. 5319-5329 11 p.Research output: Contribution to journal › Article › peer-review
The effect of liquid phase chemistry on the densification and strength of cold sintered ZnO
Jabr, A., Fanghanel, J., Fan, Z., Bermejo, R. & Randall, C., Apr 2023, In: Journal of the European Ceramic Society. 43, 4, p. 1531-1541 11 p.Research output: Contribution to journal › Article › peer-review
Wake up and retention in zinc magnesium oxide ferroelectric films
Jacques, L., Ryu, G., Goodling, D., Bachu, S., Taheri, R., Yousefian, P., Shetty, S., Akkopru-Akgun, B., Randall, C., Alem, N., Maria, J. P. & Trolier-McKinstry, S., Jun 14 2023, In: Journal of Applied Physics. 133, 22, 224102.Research output: Contribution to journal › Article › peer-review
Thermal-assisted cold sintering study of Al2O3 ceramics: Enabled with a soluble γ-Al2O3 intermediate phase
Kang, S., Zhao, X., Guo, J., Liang, J., Sun, J., Yang, Y., Yang, L., Liao, R. & Randall, C. A., Feb 2023, In: Journal of the European Ceramic Society. 43, 2, p. 478-485 8 p.Research output: Contribution to journal › Article › peer-review
The Electrodegradation Process in PZT Ceramics under Exposure to Cosmic Environmental Conditions
Lazar, I., Rodenbücher, C., Bihlmayer, G., Randall, C. A., Koperski, J., Nielen, L., Roleder, K. & Szot, K., May 2023, In: Molecules. 28, 9, 3652.Research output: Contribution to journal › Article › peer-review
Sodium molybdate-hexagonal boron nitride composites enabled by cold sintering for microwave dielectric substrates
Mena-Garcia, J., Ndayishimiye, A., Fan, Z., Perini, S. E., Li, W., Poudel, B., Priya, S., Foley, B., Gaskins, J. & Randall, C. A., Oct 2023, In: Journal of the American Ceramic Society. 106, 10, p. 5975-5985 11 p.Research output: Contribution to journal › Article › peer-review
The unusual case of plastic deformation and high dislocation densities with the cold sintering of the piezoelectric ceramic K0.5Na0.5NbO3
Nakagawa, K., Iwasaki, M., Fan, Z., Roscow, J. I. & Randall, C. A., Aug 2023, In: Journal of the European Ceramic Society. 43, 9, p. 4015-4020 6 p.Research output: Contribution to journal › Article › peer-review
Reassessing cold sintering in the framework of pressure solution theory
Ndayishimiye, A., Bang, S. H., Spiers, C. J. & Randall, C. A., Jan 2023, In: Journal of the European Ceramic Society. 43, 1, p. 1-13 13 p.Research output: Contribution to journal › Review article › peer-review