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
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
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
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
Morphological and chemical evolution of transient interfaces during zinc oxide cold sintering process
Bang, S. H., Sengul, M. Y., Fan, Z., Ndayishimiye, A., van Duin, A. C. T. & Randall, C. A., Jun 2022, In: Materials Today Chemistry. 24, 100925.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
Altering interfacial properties through the integration of C60 into ZnO ceramic via cold sintering process
Guo, J., Si, M., Zhao, X., Wang, L., Wang, K., Hao, J., Wang, H. & Randall, C. A., Apr 30 2022, In: Carbon. 190, p. 255-261 7 p.Research output: Contribution to journal › Article › peer-review
Polarization Mechanism Underlying Strongly Enhanced Dielectric Permittivity in Polymer Composites with Conductive Fillers
Li, B., Randall, C. A. & Manias, E., May 5 2022, In: Journal of Physical Chemistry C. 126, 17, p. 7596-7604 9 p.Research output: Contribution to journal › Article › peer-review
Microstructural evolution of ZnO via hybrid cold sintering/spark plasma sintering
Liang, J., Zhao, X., Kang, S., Guo, J., Chen, Z., Long, Y., Zeng, Q., Sun, J., Yang, L., Liao, R. & Randall, C. A., Oct 2022, In: Journal of the European Ceramic Society. 42, 13, p. 5738-5746 9 p.Research output: Contribution to journal › Article › peer-review
Integration and characterization of a ferroelectric polymer PVDF-TrFE into the grain boundary structure of ZnO via cold sintering
Mena-Garcia, J., Dursun, S., Tsuji, K., Bang, S. H., Fan, Z., Ndayishimiye, A. & Randall, C., Jun 2022, In: Journal of the European Ceramic Society. 42, 6, p. 2789-2797 9 p.Research output: Contribution to journal › Article › peer-review
Coalescence in cold sintering: A study on sodium molybdate
Ndayishimiye, A., Fan, Z., Mena-Garcia, J., Anderson, J. M. & Randall, C. A., Sep 2022, In: Open Ceramics. 11, 100293.Research output: Contribution to journal › Article › peer-review
Densification and Strengthening of Ferrous-Based Powder Compacts Through Cold Sintering Aided Warm Compaction
Paradis, L., Waryoba, D., Robertson, K., Ndayishimiye, A., Fan, Z., Rajagopalan, R. & Randall, C. A., 2022, (Accepted/In press) In: Advanced Engineering Materials.Research output: Contribution to journal › Article › peer-review
Fundamentals and practical dielectric implications of stoichiometry and chemical design in a high-performance ferroelectric oxide: BaTiO3
Randall, C. A. & Yousefian, P., Apr 2022, In: Journal of the European Ceramic Society. 42, 4, p. 1445-1473 29 p.Research output: Contribution to journal › Article › peer-review
Atomistic level aqueous dissolution dynamics of NASICON-Type Li1+: X Alx Ti2- x (PO4)3(LATP)
Sengul, M. Y., Ndayishimiye, A., Lee, W., Seo, J. H., Fan, Z., Shin, Y. K., Gomez, E. D., Randall, C. A. & Van Duin, A. C. T., Feb 2022, In: Physical Chemistry Chemical Physics. 24, 7, p. 4125-4130 6 p.Research output: Contribution to journal › Article › peer-review
Development of Polymer-Ceramic-Metal Graded Acoustic Matching Layers via Cold Sintering
Shetty, S., Numkiatsakul, P., Wickline, K., Incarnato, R., Wang, H., Kunkel, H., Randall, C. A. & Trolier-Mckinstry, S., Apr 1 2022, In: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 69, 4, p. 1413-1427 15 p.Research output: Contribution to journal › Article › peer-review
Cold sintering of the ceramic potassium sodium niobate, (K0.5Na0.5)NbO3, and influences on piezoelectric properties
Tsuji, K., Fan, Z., Bang, S. H., Dursun, S., Trolier-McKinstry, S. & Randall, C. A., Jan 2022, In: Journal of the European Ceramic Society. 42, 1, p. 105-111 7 p.Research output: Contribution to journal › Article › peer-review