Author: Rhonda Ward

Tumerkan and Dr. Misirlioglu show that higher pyroelectric properties can be achieved in layer-by-layer engineered ferroelectric superlattices.

Results of the theoretical study carried out in collaboration with alumnus Dr. Misirlioglu at Sabanci University published in Applied Physics Letters.

I. B. Misirlioglu, M. T. Kesim, and S. P. Alpay, “Layer Thickness and Period as Design Parameters to Tailor Pyroelectric Properties in Ferroelectric Superlattices,” Appl. Phys. Lett. 105, 172905 (2014).

Two presentations at MS&T 2014

“Optimization of Piezoelectric Properties of Perovskite Oxides through Strain Engineering,” H. Khassaf, F. Sun, S. P. Alpay, Symposium on Advances in Dielectric Materials and Electronic Devices, Materials Science & Technology 2014, Pittsburgh, PA(Oct. 2014).

“Enhanced Electrocaloric and Pyroelectric Response from Ferroelectric Multilayers,” M .T. Kesim, J. Zhang, L. W. Martin, S. P. Alpay, Symposium on Multifunctional Oxides, Materials Science & Technology 2014, Pittsburgh, PA (Oct. 2014).

Four invited talks by Yomery, Tumerkan, Fu-Chang, and Reza at the IMRC in Cancun, Mexico

Our group was very busy at the XXIII International Materials Research Congress last week. Yomery, Tumerkan, Fu-Chang, and Reza and collaborators presented four invited talks in the Symposium on Interfaces, Structure, and Domains in Ferroic and Multiferroic Material Systems.

“Tailoring the Dielectric Properties of Ferroelectric-Dielectric Multilayers,” M. T. Kesim, J. Zhang, M. W. Cole, and S. P Alpay

“Dielectric and Pyroelectric Properties of PZT with Buffer Layers,” M. T. Kesim, Y. Espinal, S. Trolier-McKinstry, J. V. Mantese, and S. P. Alpa

“Composition and Microstructure Effects on Voltage Induced Piezoelectricity for BaxSr(1-x)TiO3 Thin Films,” N. M. Sbrockey, T. Kalkur, E. Nowe, H. Khassaf, S. P. Alpay, G. S. Tompa

“Strain Engineering of Piezoelectric Properties of Strontium Titanate and Barium Strontium Titanate”, F. Sun, N. Khakpash, H. Khassaf, N. M. Sbrockey, G. S. Tompa, T. S. Kalkur, and S. P. Alpay

Congratulations Jialan, Liang and Tulsi

Commencement 2014 – fun afternoon with (Dr.) Jialan Zhang, (Dr.) Liang Dong, and Ms. Tulsi Patel. Congratulations!

Dr. (Mr.) Liang Dong, PhD Thesis: First Principles Study of Band Offsets and Band Bending of InxGa1-xN/GaN and Zn1-xBexO/ZnO Heterostructures and Quantum Wells

Dr. (Ms.) Jialan Zhang, PhD Thesis: Electrothermal Properties of Perovskite Ferroelectric Films

Ms. Tulsi Patel, MS Thesis: Structural Properties of Titanium Dioxide Films for Dye-Sensitized Solar Cell Applications

 

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SPA with Jialan and Liang

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Liang and his family

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Tulsi and her family

 

Two invited talks at the EMA 2014

HK with N. M. Sbrockey et al., “Voltage Tunable Microwave Resonators Fabricated with MOCVD deposited BaxSr1-xTiO3 Films,” Electronic Materials and Applications 2014, Symposium on Multiferroic Materials and Multilayer Ferroic Heterostructures: Properties and Applications, Orlando, FL (Jan. 2014).

“Modeling Electrothermal Properties of Polarizable Dielectric Materials,” Electronic Materials and Applications 2014, Symposium on Computational Design of Electronic Materials, Orlando, FL (Jan. 2014).