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
These keywords and phrases come from the publications and other research output of this person. See other researchers related to these topics by clicking on any keyword.
Projects
Recent Publications
Bimodal grain sized barium titanate dielectrics enabled under the cold sintering process
DeChiara, J. A., Momjian, S., Wang, K. & Randall, C. A., Sep 2024, In: Open Ceramics. 19, 100626.Research output: Contribution to journal › Article › peer-review
Cold sintering of nickel manganese oxide for thermistor fabrication
Fanghanel, J., Yokomizo, S., Funahashi, S. & Randall, C. A., Nov 14 2024, In: Journal of Materials Chemistry A. 12, 48, p. 33984-33990 7 p.Research output: Contribution to journal › Article › peer-review
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
Investigating the Origins of the pH-Dependent Oxidation of Glycerol over Platinum Using Differential Electrochemical Mass Spectrometry
Hamada, T., Circelli, A. R., Inoue, H., Randall, C. A. & Clark, E. L., Jul 4 2024, In: Journal of Physical Chemistry C. 128, 26, p. 10790-10801 12 p.Research output: Contribution to journal › Article › peer-review
Controlling surface chemistry in cold sintering to advance battery materials
Lan, Y. C., Grady, Z. M., Dursun, S., Gomez, E. D. & Randall, C. A., Sep 2024, In: Open Ceramics. 19, 100639.Research output: Contribution to journal › Article › peer-review
Dielectric, electrical and thermal properties of Sodium Molybdate-hexagonal Boron Nitride composites enabled by cold sintering
Mena-Garcia, J., Mervosh, M. W., Yousefian, P., Ndayishimiye, A., Perini, S. E., Li, W., Poudel, B. & Randall, C. A., Oct 1 2024, In: Ceramics International. 50, 19, p. 37379-37384 6 p.Research output: Contribution to journal › Article › peer-review
Using percolation to design ZnO composites with hBN modified grain boundaries to obtain varistor-like behavior
Mervosh, M. W., Momjian, S., Mena-Garcia, J. & Randall, C. A., Dec 2024, In: Open Ceramics. 20, 100707.Research output: Contribution to journal › Article › peer-review
Dielectric properties and microstructure of BaTiO3-PTFE composites via cold sintering process
Nunokawa, T., Takashima, K., Mizuno, K. & Randall, C. A., Aug 1 2024, In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 63, 8, 08SP02.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