Publications

Journal Papers 

(† denotes equal contribution, * denotes corresponding author)

2025

More on the way

29. S. Pamula, H. Pan, B. R. Denzer, Z. Tian, A. Surampalli, T. J. Park, J. M. LeBeau, L. W. Martin, "Tuning Relaxor-Antiferroelectric Order in (1 – x)PbMg1/3Nb2/3O3-(x)PbZrO3 Thin Films", ACS Nano, 2025,  DOI: 10.1021/acsnano.5c06818.

28. M. Islam, S. M. Bohaichuk, T. D. Brown, S. Oh, C. Perez, C. Zhang, T. J. Park, M. Park, A. A. Talin, S. Ramanathan, S. Kumar, and E. Pop, "An electro-optical Mott neuron based on niobium dioxide", Nature Electronics, 2025, DOI: 10.1038/s41928-025-01406-1.

27. J. Kim†, B. Kim†, J. Ma†, S.-Y. Lim, M.-H. Choi, H. Jeong, J. Ji, J.-H. Kang, J. Chang*, J. Kwon*, and T. J. Park*, "Energy-Efficient, Scalable Single-Layer MoS2–Based Synaptic Field-Effect Transistors", ACS Applied Electronic Materials, 2025, DOI: 10.1021/acsaelm.5c00808.

2024

26. Y. Yuan*,†, M. Kotiuga*,†, T. J. Park*,†, R. K. Patel, Y. Ni, A. Saha, H. Zhou, J. T. Sadowski, A. Al-Mahboob, H. Yu, K. Du, M. Zhu, S. Deng, R. S. Bisht, X. Lyu, C.-T. M. Wu, P. D. Ye, A. Sengupta, S.-W. Cheong, X. Xu, K. M. Rabe, S. Ramanathan*, “Hydrogen-induced tunable remanent polarization in a perovskite nickelate”, Nature Communications, 2024, 15, 1, 4717.

25. A. Pofelski, H. Jia, S. Deng, H. Yu, T. J. Park, S. Manna, M. K. Y. Chan, S. K. R. S. Sankaranarayanan, S. Ramanathan, Y. Zhu, “Subnanometer Scale Mapping of Hydrogen Doping in Vanadium Dioxide”, Nano Letters, 2024, 24, 6, 1974.

24. S. Gamage, S. Manna, M. Zajac, S. Hancock, Q. Wang, S. Singh, M. Ghafariasl, K. Yao, T. E. Tiwald, T. J. Park, D. P. Landau, H. Wen, S. K. R. S. Sankaranarayanan, P. Darancet, S. Ramanathan, Y. Abate, “Infrared Nanoimaging of Hydrogenated Perovskite Nickelate Memristive Devices”, ACS Nano, 2024, 18, 3, 2105.

23. F. Qin, Y. Zhang, Z. Guo, T. J. Park, H. Park, C. S. Kim, J. Park, X. Fu, K. No, H. W. Song, X. Ruan, S. Lee, “High on/off ratio SiO2-based memristors for neuromorphic computing: understanding the switching mechanisms through theoretical and electrochemical aspects”, Materials Advances, 2024, 5, 10, 4209.

22. J. King†, C. Wan†, T. J. Park, S. Deshpande, Z. Zhang, S. Ramanathan, M. A. Kats, “Electrically tunable VO2-metal metasurface for mid-infrared switching, limiting, and nonlinear isolation”, Nature Photonics, 2024, DOI: 10.1038/s41566-023-01324-8.

• News coverage by Nature Photonics

2023

21. T. J. Park†, S. Deng†, S. Manna, A. N. M. N. Islam, H. Yu, Y. Yuan, D. D. Fong, A. A. Chubykin, A. Sengupta, S. K. R. S. Sankaranarayanan, S. Ramanathan, “Complex oxides for brain-inspired computing: A review”, Advanced Materials, 2023, DOI: 10.1002/adma.202203352.

20. S. Deng†, T. J. Park†, H. Yu†, A. Saha, A. N. M. N. Islam, Q. Wang, A. Sengupta, S. Ramanathan, “Hydrogenated VO2 Bits for Probabilistic Computing”, IEEE Electron Device Letters, 2023, DOI: 10.1109/LED.2023.3303875.

19. R. S. Bisht, J. Park, H. Yu, C. Wu, N. Tilak, S. Rangan, T. J. Park, Y. Yuan, S. Das, U. Goteti, H. T. Yi, H. Hijazi, A. Al-Mahboob, J. T. Sadowski, H. Zhou, S. Oh, E. Y. Andrei, M. T. Allen, D. Kuzum, A. Frano, R. C. Dynes, S. Ramanathan, “Spatial Interactions in Hydrogenated Perovskite Nickelate Synaptic Networks”, 2023, Nano Letters, 23, 15, 7166.

18. S. Deng*,†, H. Yu†, T. J. Park*,†, A. N. M. N. Islam, S. Manna, A. Pofelski, Q. Wang, Y. Zhu, S. K.R.S. Sankaranarayanan, A. Sengupta, and S. Ramanathan*, “Selective area doping for Mott neuromorphic electronics”, Science Advances, 2023, 9, eade4838.

2022

17. T. J. Park*,†, K. Selcuk†, H.-T. Zhang*,†, S. Manna, R. Batra, H. Zhou, F. Rodolakis, Q. Wang, H. Yu, S. K. R. S. Sankaranarayanan, K. Y. Camsari*, S. Ramanathan*, “Efficient probabilistic computing with stochastic perovskite nickelates”, Nano Letters, 2022, 22, 8654.

16. S. Zhang, I.-T. Chiu, M.-H. Lee, B. Gunn, M. Feng, T. J. Park, P. Shafer, A. T. N’Diaye, F. Rodolakis, S. Ramanathan, A. Frañó, I. K. Schuller, Y. Takamura, G. Galli, Determining the Oxygen Stoichiometry of Cobaltite Thin Films, Chemistry of Materials, 2022, 34, 5, 2076.

15. H.-T. Zhang*,†, T. J. Park*,†, A. N. M. N. Islam†, D. S. J. Tran†, S. Manna†, Q. Wang†, S. Mondal, H. Yu, S. Banik, S. Cheng, H. Zhou, S. Gamage, S. Mahapatra, Y. Zhu, Y. Abate, N. Jiang, S.K.R.S. Sankaranarayanan, A. Sengupta, C. Teuscher, S. Ramanathan*, “Reconfigurable perovskite nickelate electronics for artificial intelligence”, Science, 2022, 375, 533.

• Perspective by Science

• News coverage by Nature Materials, IEEE Spectrum, EurekAlert, Purdue University, Penn State University, Portland State University, Brookhaven National Laboratory

2021

14. H. Bae, T. J. Park, J. Noh, W. Chung, M. Si, S. Ramanathan, P. D. Ye, First demonstration of robust tri-gate β-Ga2O3 nano-membrane field-effect transistors, Nanotechnology, 2021, 33, 125201.

13. I. A. Zaluzhnyy, P. O. Sprau, R. Tran, Q. Wang, H.-T. Zhang, Z. Zhang, T. J. Park, N. Hua, B. Stoychev, M. J. Cherukara, M. V. Holt, E. Nazaretski, X. Huang, H. Yan, A. Pattammattel, Y. S. Chu, S. P. Ong, S. Ramanathan, O. G. Shpyrko, and A. Frano, “Proton distribution visualization in perovskite nickelate devices utilizing nanofocused x rays”, Physical Review Materials, 2021, 5, 095003.

12. Y. Sun†, Q. Wang†, T. J. Park†, T. E. Gage, Z. Zhang, X. Wang, D. Zhang, X. Sun, J. He, H. Zhou, D. G. Lim, C. Huang, H. Yu, X. Chen, H. Wang, J. Mei, E. Deguns, S. Ramanathan, “Electrochromic Properties of Perovskite NdNiO3 Thin Films for Smart Windows”, ACS Applied Electronic Materials, 2021, 3, 1719.

11. J. Noh, H. Bae, J. Li, Y. Luo, Y. Qu, T. J. Park, M. Si, X. Chen, A. R. Charnas, W. Chung, X. Peng, S. Ramanathan, S. Yu, P. D. Ye, “First Experimental Demonstration of Robust HZO/β-Ga2O3 Ferroelectric Field-Effect Transistors as Synaptic Devices for Artificial Intelligence Applications in a High-Temperature Environment”, IEEE Transactions on Electron Devices, 2021, 68, 2515.

2020

10. H.-T. Zhang†, T. J. Park†, I. A. Zaluzhnyy†, Q. Wang, S. N. Wadekar, S. Manna, R. Andrawis, P. O. Sprau, Y. Sun, Z. Zhang, C. Huang, H. Zhou, Z. Zhang, B. Narayanan, G. Srinivasan, N. Hua, E. Nazaretski, X. Huang, H. Yan, M. Ge, Y. S. Chu, M. J. Cherukara, M. V. Holt, M. Krishnamurthy, O. G. Shpyrko, S. K. R. S. Sankaranarayanan, A. Frano, K. Roy, S. Ramanathan, “Perovskite neural trees”, Nature Communications, 2020, 11, 2245.

2019

9. M.‐S. Kim†, H. Park†, S. O. Won, A. Sharma, J. Kong, H. S. Park, Y.‐M. Sung, T. J. Park, M.‐W. Moon, K. Hur, “Copper‐Halide Polymer Nanowires as Versatile Supports for Single‐Atom Catalysts”, Small, 2019, 15, 1903197.

8. S. K. Hwang, K. L. Kim, S. M. Cho, T. J. Park, B. Jeong, I. Bae, C. Park, “Multi-level operation of three-dimensionally stacked non-volatile ferroelectric polymer memory with high-performance hole-injection layer”, Organic Electronics, 2019, 75, 105394.

7. S.‐Y. Jeon, H. Jeon, T. J. Park, M. K. Kang, B.‐K. Cho, S. S. Hwang, K. Hur, “Preparation of Hierarchically Structured Amorphous Carbon Monoliths with Closed Spherical Mesopores via the Lower Critical Solution Temperature Phase Transition”, Macromolecular Chemistry and Physics, 2019, 220, 1900165.

2016

6. T. J. Park, R. C. Pawar, S. Kang, C. S. Lee, “Ultra-thin coating of g-C3N4 on an aligned ZnO nanorod film for rapid charge separation and improved photodegradation performance”, RSC Advances, 2016, 6, 89944.

5. S. Kang, R. C. Pawar, T. J. Park, J. G. Kim, S.-H. Ahn, C. S. Lee, “Minimization of Recombination Losses in 3D Nanostructured TiO2 Coated with Few Layered g-C3N4 for Extended Photo-response”, Journal of the Korean Ceramic Society, 2016, 53, 393.

4. R. C. Pawar, T. J. Park, D.-H. Choi, K.-w. Jeon, S. H. Ahn, C. S. Lee, “Stable and magnetically reusable nanoporous magnetite micro/nanospheres for rapid extraction of carcinogenic contaminants from water”, RSC Advances, 2016, 6, 34297.

2015

3. T. J. Park, S. K. Hwang, S. Park, S. H. Cho, T. H. Park, B. Jeong, H. S. Kang, D. Y. Ryu, J. Huh, E. L. Thomas, C. Park, “Electrically Tunable Soft-Solid Block Copolymer Structural Color”, ACS Nano, 2015, 9, 12158.

2. S. S. Jo, S. H. Cho, H. J. Kim, T. Nam, I. Hwang, S.‐H. Jung, R. H. Kim, D. B. Velusamy, J. H. Lee, T. Park, J. K. Lee, D.‐E. Kim, H. Lee, H. Kim, C. Park, S.-G. Doo, “High‐performance alternating current electroluminescent layers solution blended with mechanically and electrically robust nonradiating polymers”, Journal of Polymer Science Part B: Polymer Physics, 2015, 53, 1629.

2014

1. S. K. Hwang, T. J. Park, K. L. Kim, S. M Cho, B. J. Jeong, C. Park, “Organic onetransistor-type nonvolatile memory gated with thin ionic liquid-polymer film for low voltage operation”, ACS Applied Materials & Interfaces, 2014, 6, 20179. 

Patents 

2. C. Park, T. Park, T. J. Park, "Implementation of electrically tunable soft solid block copolymer photonic crystals and device performance", 2019, U.S. Patent, Grant No. 10203581

1. C. Park, T. J. Park, S. Hwang, "Photonic crystal device, method for manufacturing the same and reflective-type display apparatus comprising the photonic crystal device", 2016, Korea Patent, Grant No. 1016234610000