George A. Rossetti Jr.
Associate Professor
Associate Department Head
Ph.D., The Pennsylvania State University (1993)

Department of Materials Science & Engineering
25 King Hill Road, Unit 3136
Storrs, CT 06269-3136
Office: 1013
Phone: (860) 486-2922
Email:  george.rossetti_jr@uconn.edu

Research Interests

• Electroceramic materials and devices
• Phenomenological theory of ferroelectrics
• Constitutive behavior of ferroelectric crystals and thin films
• Electrocaloric materials for solid-state cooling applications
• Piezocrystals for sensors, actuators and energy harvesting devices
• Processing of dielectric and piezoelectric ceramics
• Characterization and electrical properties of polar dielectrics
• Thermophysical properties of electroactive materials

Recent Publications

N. Novak, F. Weyland and G. A. Rossetti, Jr., “Electrocaloric properties and caloric figure of merit in the ferroelectric solid solution BaZrO₃–BaTiO₃ (BZT),” J. Eur. Ceram. Soc.  41, 1280–1287 (2021).

R. Batra, H. D. Tran, B. Johnson, B. Zoellner, P. A. Maggard, J. L. Jones, G. A. Rossetti, Jr., and R. Ramprasad, “Search for Ferroelectric Binary Oxides: Chemical and Structural Space Exploration Guided by Group Theory and Computations,” Chem. Mater. 32, 3823−3832 (2020).

K. C. Pitike, N. Khakpash, J. Mangeri, G. A. Rossetti Jr., and S. M. Nakhmanson “Landau-Devonshire thermodynamic potentials for perovskite ferroelectrics from first principles,” J. Mater. Sci. 54, 8381-8400 (2019).

D. Damjanovic and G. A. Rossetti, Jr., “Mechanisms of strain generation and energy conversion in lead-based and lead-free piezoceramics,” MRS Bull., 43, 588-594 (2018).

F. Weyland, R. Pérez-Moyet, G. A. Rossetti, Jr. and N. Novak, “Material measures of electrocaloric cooling power in perovskite ferroelectrics,” Energy Technology, 6, 1512-1518 (2018).

F. Weyland, T. Eisele, S. Steiner, T. Frömling, G. A. Rossetti, Jr., J. Rödel and N. Novak, “Long term stability of electrocaloric response in barium zirconate titanate,” J. Eur. Ceram. Soc. 38, 551-556 (2018).

M. Acosta, N. Novak, V. Rojas, S. Patel, R. Vaish, J. Koruza, G. A. Rossetti, Jr. and J. Rödel, “BaTiO₃-based piezoelectrics: fundamentals, current status, and perspectives,” Appl. Phys. Rev. 4, 041305, 1-53, (2017).

R. Batra, T. D. Huan, G. A. Rossetti, Jr. and R.  Ramprasad, “Dopants promoting ferroelectricity in hafnia: insights from a comprehensive chemical space exploration,” Chem. Mater. 29, 9102-9109 (2017).

H. Schader, G. A. Rossetti Jr., J. Luo and K.G. Webber, “Piezoelectric and ferroelectric properties of <001>_CPb(In_1/2Nb_1/2)O₃-Pb(Mg_1/3Nb_2/3)O₃-PbTiO₃single crystals under combined thermal and mechanical loading,” Acta Materialia, 126, 174-181 (2017).

H. Schader, N. Khakpash, G. A. Rossetti Jr. and K.G. Webber, Phase transitions in BaTiO₃under uniaxial compressive stress: Experiments and phenomenological analysis,”J. Appl. Phys. 121, 064109, 1-10 (2017).

Batra, T. D. Huan, J. L. Jones, G. A. Rossetti, Jr., and R. Ramprasad, “Factors favoring ferroelectricity in hafnia: A first-principles computational study,” J. Phys. Chem. C. 121, 4139−4145 (2017).

Pérez-Moyet, J. Stace, A. Amin, P. Finkel and G. A. Rossetti, Jr., “Non-resonant electromechanical energy harvesting using inter-ferroelectric phase transitions,” Appl. Phys. Lett., 107, 172901, 1-5 (2015).

Acosta, N. Novak, G. A. Rossetti, Jr. and J. Rödel, “Mechanisms of electromechanical response in (1−x)Ba(Zr_0.2Ti_0.8)O₃-x(Ba_0.7Ca_0.3)TiO₃ ceramics,” Appl. Phys. Lett. 107, 142906, 1-5 (2015).