
Jon-Paul’s research group, J.-P. Maria Group, pursues new materials discovery, property engineering, advances in synthesis science, and new integration strategies to merge diverse materials. Laboratory activities of interest include physical vapor deposition, ceramic synthesis by powder processing, structural characterization by diffraction, and microstructure measurement using scanning probe and scanning electron microscopy. The J.-P. Maria group manages a 1,500-square-foot vacuum processing lab that hosts nine sputter tools, e-beam evaporation, and two laser ablation systems. The J.-P. Maria Group members currently pursue research in the areas of ferroelectric thin films, high permittivity materials, novel semiconductor contacts, oxide epitaxy, infra-red plasmonic materials, and entropy engineered/stabilized crystals.
Maria's research focuses on the processing science issues associated with synthesizing integrated systems for intelligent microwave communication, telemetry, and radar systems. Specifically, his team designs and fabricates microwave circuit components using novel materials, processing conditions, and integration approaches. A specific focus of this work is to replace expensive or difficult-to-manufacture materials with inexpensive alternatives that do not compromise performance. This requires that they fundamentally understand the materials science of processing as, in many cases, they are dealing with system components that have narrow windows of stability.
In the News
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Recent Publications
Order evolution from a high-entropy matrix: Understanding and predicting paths to low-temperature equilibrium
Almishal, S. S. I., Miao, L., Tan, Y., Kotsonis, G. N., Sivak, J. T., Alem, N., Chen, L. Q., Crespi, V. H., Dabo, I., Rost, C. M., Sinnott, S. B. & Maria, J. P., Feb 2025, In: Journal of the American Ceramic Society. 108, 2, e20223.Research output: Contribution to journal › Article › peer-review
Ferroelectricity in Atomic Layer Deposited Wurtzite Zinc Magnesium Oxide Zn1-xMgxO
Aronson, B. L., Kelley, K. P., Gunay, E., Mercer, I., Dryzhakov, B., Maria, J. P., Dickey, E. C., Trolier-McKinstry, S. & Ihlefeld, J. F., Jun 18 2025, In: Nano letters. 25, 24, p. 9748-9754 7 p.Research output: Contribution to journal › Article › peer-review
Strain Fluctuations Unlock Ferroelectricity in Wurtzites
Baksa, S. M., Gelin, S., Oturak, S., Spurling, R. J., Sepehrinezhad, A., Jacques, L., Trolier-McKinstry, S. E., van Duin, A. C. T., Maria, J. P., Rappe, A. M. & Dabo, I., Apr 2025, In: Advanced Electronic Materials. 11, 5, 2400567.Research output: Contribution to journal › Article › peer-review
Performance of exchange-correlation approximations to density functional theory for rare-earth oxides
Caucci, M. K., Sivak, J. T., Almishal, S. S. I., Rost, C. M., Dabo, I., Maria, J. P. & Sinnott, S. B., May 2025, In: Computational Materials Science. 253, 113837.Research output: Contribution to journal › Article › peer-review
Real-space imaging of confined infrared surface plasmon polaritons on doped semiconductors covered with phase-change materials
Conrads, L., Schüler, L., Wirth, K. G., Cleri, A., Heßler, A., Jung, L., Wuttig, M., Chigrin, D., Maria, J. P. & Taubner, T., Feb 7 2025, In: Science Advances. 11, 6, eadr6844.Research output: Contribution to journal › Article › peer-review
Interfacial defect properties of high-entropy carbides: Stacking faults, Shockley partial dislocations, and a new Evans-Polanyi-Semenov relation
Daigle, S. E., Curtarolo, S., Fahrenholtz, W. G., Maria, J. P., Wolfe, D. E., Zurek, E. & Brenner, D. W., May 2025, In: Physical Review Materials. 9, 5, 053601.Research output: Contribution to journal › Article › peer-review
Thermodynamic Theory of Proximity Ferroelectricity
Eliseev, E. A., Morozovska, A. N., Maria, J. P., Chen, L.-Q. & Gopalan, V., Apr 2025, In: Physical Review X. 15, 2, 021058.Research output: Contribution to journal › Article › peer-review
Ultrafast evanescent heat transfer across solid interfaces via hyperbolic phonon–polariton modes in hexagonal boron nitride
Hutchins, W., Zare, S., Hirt, D. M., Tomko, J. A., Matson, J. R., Diaz-Granados, K., Long, M., He, M., Pfeifer, T., Li, J., Edgar, J. H., Maria, J. P., Caldwell, J. D. & Hopkins, P. E., May 2025, In: Nature Materials. 24, 5, p. 698-706 9 p., 5221.Research output: Contribution to journal › Article › peer-review
Bipolar HiPIMS kick-pulse for high hardness in high-entropy boride thin films
McIlwaine, N. S., Rios, N. O. M., Zurek, E., Brenner, D. W., Fahrenholtz, W. G., Curtarolo, S., Wolfe, D. E. & Maria, J. P., Mar 2025, In: Journal of the American Ceramic Society. 108, 3, e20257.Research output: Contribution to journal › Article › peer-review
Local structure maturation in high entropy oxide (Mg,Co,Ni,Cu,Zn)1-x(Cr,Mn)xO thin films
Niculescu, G. E., Bejger, G. R., Barber, J. P., Wright, J. T., Almishal, S. S. I., Webb, M., Ayyagari, S. V. G., Maria, J. P., Alem, N., Heron, J. T. & Rost, C. M., Feb 2025, In: Journal of the American Ceramic Society. 108, 2, e20171.Research output: Contribution to journal › Article › peer-review
Discovering High-Entropy Oxides with a Machine-Learning Interatomic Potential
Sivak, J. T., Almishal, S. S. I., Caucci, M. K., Tan, Y., Srikanth, D., Petruska, J., Furst, M., Chen, L. Q., Rost, C. M., Maria, J. P. & Sinnott, S. B., May 30 2025, In: Physical review letters. 134, 21, 216101.Research output: Contribution to journal › Article › peer-review
Proximity ferroelectricity in wurtzite heterostructures
Skidmore, C. H., Spurling, R. J., Hayden, J., Baksa, S. M., Behrendt, D., Goodling, D., Nordlander, J. L., Suceava, A., Casamento, J., Akkopru-Akgun, B., Calderon, S., Dabo, I., Gopalan, V., Kelley, K. P., Rappe, A. M., Trolier-McKinstry, S., Dickey, E. C. & Maria, J. P., Jan 16 2025, In: Nature. 637, 8046, p. 574-579 6 p.Research output: Contribution to journal › Article › peer-review
Composition-dependent ferroelectric behavior in Z n1-x M gx O thin films
Spurling, R. J., Goodling, D., Günay, E., Almishal, S. S. I., Dickey, E. C. & Maria, J. P., Feb 2025, In: Physical Review Materials. 9, 2, 024405.Research output: Contribution to journal › Article › peer-review
Phase-field study of precipitate morphology in epitaxial high-entropy oxide films
Tan, Y., Sivak, J. T., Almishal, S. S. I., Maria, J. P., Sinnott, S. B., Ji, Y. & Chen, L. Q., Mar 1 2025, In: Acta Materialia. 286, 120721.Research output: Contribution to journal › Article › peer-review
Aluminum Boron Nitride Ferroelectric Field-Effect Transistors With ZnO Semiconductor Channel
Tran, Q., Hayden, J., Casamento, J., Maria, J. P. & Jackson, T. N., 2025, (Accepted/In press) In: IEEE Transactions on Electron Devices.Research output: Contribution to journal › Article › peer-review