Selected Archival Publications
2022
- Tuning carrier density and phase transitions in oxide semiconductors using focused ion beams, H. Mei, A. Koch, C. Wan, J. Rensberg, Z. Zhang, J. Salman, M. Hafermann, Y. Xiao, R. Wambold, S. Ramanathan, C. Ronning and M. A. Kats (arXiv:2202.01777)
2021
- Cation and anion topotactic transformations in cobaltite thin films leading to Ruddlesden-Popper phases, I. T. Chiu, M. H. Lee, S. Cheng, S. Zhang, L. Heki, Z. Zhang, Y. Mohtashami, P. N. Lapa, M. Feng, P. Shafer, A. T. N’Diaye, A. Mehta, J. A. Schuller, G. Galli, S. Ramanathan, Y. Zhu, I. K. Schuller and Y. Takamura, Physical Review Materials 5, 064416 (2021); Editor’s Suggestion
- Perovskite nickelate actuators, C. Huang, J. Anderson, S. Paena, X. Chen, S. Ramanathan and D. Weinstein, IEEE Journal of Microelectromechanical Systems, 30, 488 (2021)
- Sudden collapse of magnetic order in oxygen deficient nickelate films, J. Li, R. J. Green, Z. Zhang, R. Sutarto, J. T. Sadowski, Z. Zhu, G. Zhang, D. Zhou, Y. Sun, F. He, S. Ramanathan and R. Comin, Physical Review Letters, 126, 187602 (2021)
2020
- Tunable catalysis via insulator-metal transition, Y. Sun and S. Ramanathan, Nature Catalysis 3, 609 (2020)
- VO2 nanophotonics, S. Cueff, J. John, Z. Zhang, J. Parra, J. Sun, R. Orobtchouk, S. Ramanathan and P. Sanchis, APL Photonics, 5, 110901 (2020); Editor’s Feature Article
- Catalytic hydrogen doping of NdNiO3 thin films under electric fields, U. Sidik, A. Hattori, R. Rakshit, S. Ramanathan and H. Tanaka, ACS Applied Materials and Interfaces, 12, 54955 (2020)
- Perovskite neural trees, 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 and S. Ramanathan, Nature Communications, 11, 2245 (2020)
- In vivo glutamate sensing inside the mouse brain with perovskite nickelate – nafion heterostructures, Y. Sun, T. N. H. Nguyen, A. Anderson, X. Cheng, T. E. Gage, J. Lim, Z. Zhang, H. Zhou, F. Rodolakis, Z. Zhang, I. Arslan, S. Ramanathan, H. Lee and A. A. Chubykin, ACS Applied Materials and Interfaces, 12, 24564 (2020)
- Multipolar resonances with designer tunability using VO2 phase change materials, J. John, Y. Gutierrez, Z. Zhang, H. Karl, S. Ramanathan, R. Orobtchouk, F. Moreno and S. Cueff, Physical Review Applied, 13, 044053 (2020)
2019
- Temperature-independent thermal radiation, P. Roney, A. Shahsafi, Y. Zhou, Z. Zhang, Y. Xiao, C. Wan, R. Wambold, J. Salman, Z. Yu, J. Li, J. T. Sadowski, R. Comin, S. Ramanathan and M. A. Kats, Proceedings of the National Academy of Sciences of the USA, 116, 26402 (2019)
- Carrier localization in perovskite nickelates from oxygen vacancies, M. Kotiuga, Z. Zhang, J. Li, F. Rodolakis, H. Zhou, R. Sutarto, F. He, Q. Wang, Y. Sun, Y. Wang, N. A. Aghamiri, S. B. Hancock, L. P. Rokhinson, D. P. Landau, Y. Abate, J. W. Freeland, R. Comin, S. Ramanathan and K. M. Rabe, Proceedings of the National Academy of Sciences of the USA, 116, 21992 (2019)
- VO2 phase transition-based vertical MEMS micro-actuators, C. Huang, Z. Zhang, S. Ramanathan and D. Weinstein, IEEE Transactions on Electron Devices 66, 4380 (2019)
- Marine biology requires new line of inquiry in materials research, Z. Zhang, B. Robison and S. Ramanathan, MRS Bulletin 44, 597 (2019)
- Perovskite nickelates as bio-electronic interfaces, H. T. Zhang, F. Zuo, F. Li, H. Chan, Q. Wu, Z. Zhang, B. Narayanan, K. Ramadoss, I. Chakraborty, G. Saha, G. Kamath, K. Roy, H. Zhou, A. A. Chubykin, S. K. R. S. Sankaranarayanan, J. H. Choi and S. Ramanathan, Nature Communications, 10, 1651 (2019)
- Beyond electrostatic modification: design and discovery of functional oxide phases by ionic-electronic doping, H. T. Zhang, Z. Zhang, H. Zhou, H. Tanaka, D. D. Fong and S. Ramanathan, Advances in Physics X, 4:1, Article: 1523686 (2019)
- On the optical properties of thin-film vanadium dioxide from the visible to the far infrared, C. Wan, Z. Zhang, D. Woolf, C. M. Hessel, J. Rensburg, J. M. Hensley, Y. Zhao, A. Shahsafi, J. Salman, S. Richter, Y. Sun, M. M. Qazilbash, R. Schmidt-Grund, C. Ronning, S. Ramanathan and M. A. Kats, Annalen der Physik, 531, 1900188 (2019)
- Vanadium dioxide circuits emulate neurological disorders, J. Lin, S. Guha and S. Ramanathan, Frontiers in Neuroscience, 12, Art. 856 (2018)
- Strongly correlated perovskite lithium ion shuttles, Y. Sun, M. Kotiuga, D. Lim, B. Narayanan, M. Cherukara, Z. Zhang, Y. Dong, R. Kou, C. J. Sun, Q. Lu, I. Waluyo, A. Hunt, H. Tanaka, A. N. Hattori, S. Gamage, Y/ Abate, V. G. Pol, H. Zhou, S. K. R. S. Sankaranarayanan, B. Yildiz, K. M. Rabe, and S. Ramanathan, Proceedings of the National Academy of Sciences of the USA, 115, 9672 (2018)
- Proton-doped strongly correlated perovskite nickelate memory devices, K. Ramadoss, F. Zuo, Y. Sun, Z. Zhang, J. Lin, U. Bhaskar, S. Shin, M. A. Alam, S. Guha, D. Weinstein and S. Ramanathan, arXiv:1805.00527, IEEE Electron Device Letters 39, 1500 (2018)
- Electrically-Driven Insulator-Metal Transition Based Devices, Part II: Transient Characteristics, J. Lin, S. Ramanathan and S. Guha, IEEE Transactions on Electron Devices 65, 3989 (2018)
- Electrically-Driven Insulator-Metal Transition Based Devices, Part I: Electrothermal model and experimental analysis for DC Experimental Characteristics, J. Lin, S. Ramanathan and S. Guha, IEEE Transactions on Electron Devices 65, 3982 (2018)
- Quantum materials for brain sciences and artificial intelligence, S. Ramanathan, MRS Bulletin, 43, 534 (2018)
- Thermally tunable VO2-SiO2 nanocomposite thin-film capacitors, Y. Sun, K.V.L.V. Narayanachari, C. Wan, X. Sun, H. Wang, K. A. Cooley, S. E. Mohney, D. White, A. Duwel, M. A. Kats and S. Ramanathan, Journal of Applied Physics, 123, 114103 (2018)
- A self-consistent, semi-classical electro-thermal modeling framework for Mott devices, K. Karda, C. Mouli, S. Ramanathan and M. A. Alam, IEEE Transactions on Electron Devices 65, 1672 (2018)
2018
2017
- Functional materials at the flick of a switch, S. Ramanathan, Nature, 546, 40 (2017)
- Epsilon-near-zero substrate engineering for ultrathin-film perfect absorbers, J. Rensberg Y. Zhou, S. Richter, C. Wan, S. Zhang, P. Schoppe, R. Schmidt-Grund, S. Ramanathan, F. Capasso, M. A. Kats and C. Ronning, Physical Review Applied, 8, 014009 (2017)
- Habituation based synaptic plasticity and organismic learning in a quantum perovskite, F. Zuo, P. Panda, M. Kotiuga, J. Li, M. Kang, C. Mazzoli, H. Zhou, A. Barbour, S. Wilkins, B. Narayanan, M. Cherukara, Z. Zhang, S. K. R. S. Sankaranarayanan, R. Comin, K. M. Rabe, K. Roy and S. Ramanathan, Nature Communications, 8, 240 (2017)
- Flash transition as a possible origin for low open circuit voltage in thin film solid oxide fuel cells, R. Raj and S. Ramanathan, Journal of Power Sources, 359, 48 (2017)
- Preface: Ionotronics, D. D. Fong and S. Ramanathan, APL Materials, 5, 042201 (2017)
- Evolution of metallicity in vanadium dioxide by creation of oxygen vacancies, Z. Zhang, F. Zuo, C. Wan, A. Dutta, J. Kim, J. Rensberg, R. Nawrodt, H. H. Park, T. Larrabee, X. Guan, Y. Zhou, S. M. Prokes, C. Ronning, V. M. Shalaev, A. Boltasseva, M. A. Kats, and S. Ramanathan, Physical Review Applied, 7, 034008 (2017)
2016
- Using atom probe tomography to understand ZnO:Al/SiO2/Si Schottky diodes, R. Jaramillo, A. Youseff, A. Akey, F. Schoofs. S. Ramanathan and T. Buonassisi, Physical Review Applied, 6, 034016 (2016)
- Chemical and radiation stability of ionic liquids: A computational screening study, N. Ilawe, S. Ramanathan, B. M. Wong and J. Wu, Journal of Physical Chemistry C, 120, 27757 (2016)
- Sign reversal of magnetoresistance in a perovskite nickelate by electron doping, K. Ramadoss, N. Mandal, X. Dai, Z. Wan, Y. Zhou, L. Rokhinson, Y. P. Chen, J. Hu, and S. Ramanathan, Physical Review B, 94, 235124 (2016)
- Correlated perovskites as a new platform for super broadband tunable photonics, Z. Li, Y. Zhou, H. Qi, Q. Pan, Z. Zhang, N. N. Shi, M. Lu, A. Stein, C. Y. Li, S. Ramanathan and N. Yu, Advanced Materials, 28, 9117 (2016)
- Experimental investigation into tungsten carbide thin films as solid oxide fuel cell anodes, J. Jiang, X. Guan, J. Lattimer, C. M. Friend, A. Verma, M. Tsuchiya and S. Ramanathan, Journal of Materials Research, 31, 3050 (2016)
- Hydride-based solid oxide fuel cell-battery hybrid electrochemical system, X. Guan, J. Jiang, J. Lattimer, M. Tsuchiya, C. M. Friend and S. Ramanathan, Energy Technology, 5, 616 (2017)
2015
- Dynamic control of light emission faster than the lifetime limit using VO2 phase-change, S. Cueff, D. Li, Y. Zhou, F. J. Wong, J. A. Kurvits, S. Ramanathan and R. Zia, Nature Communications, 6, 8636 (2015)
- Mott memory and neuromorphic devices, Y. Zhou and S. Ramanathan, Proceedings of the IEEE, 103, 1289 (2015)
- Phase change materials for photonics, Z. Yang and S. Ramanathan, IEEE Photonics Journal, 7, 0700305 (2015)
- Control of emergent properties at a correlated oxide interface with graphene, Y. Zhou, J. Park, J. Shi, M. Chhowalla, H. Park, D. A. Weitz and S. Ramanathan, Nano Letters, 15, 1627 (2015)
- Reconfigurable anisotropy and functional transformations with VO2-based metamaterial electric circuits, S. Savo, Y. Zhou, G. Castaldi, M. Moccia, V. Galdi, S. Ramanathan and Y. Sato, Physical Review B, 91, 134105 (2015)
- Strong correlations between structural order and passive state at water-oxide interfaces, B. Narayanan, S. A. Deshmukh, S. K. R. S. Sankaranarayanan and S. Ramanathan, Electrochimica Acta, 179, 386 (2015)
- Neuromimetic circuits with synaptic devices based on strongly correlated electron systems, S. D. Ha, J. Shi, Y. Meroz, L. Mahadevan and S. Ramanathan, Physical Review Applied, 2, 064003 (2014); Editor’s Suggestion, Physics Synopsis [link]
- Thin film fuel cells with vanadium oxide anodes: strain and stoichiometry effects, Q. Van Overmeere and S. Ramanathan, Electrochimica Acta, 150, 83 (2014)
- Orbital splitting and optical conductivity of the insulating phase of NbO2, F. J. Wong, N. Hong and S. Ramanathan, Physical Review B, 90, 115135 (2014)
- Colossal resistance switching and band gap modulation in a perovskite nickelate by electron doping, J. Shi, Y. Zhou and S. Ramanathan, Nature Communications, 5, 4860 (2014)
- Current-modulated optical properties of vanadium dioxide thin films in the phase transition region, S. Zhang, M. A. Kats, Y. Cui, Y. Zhou, Y. Yao, S. Ramanathan and F. Capasso, Applied Physics Letters, 105, 211104 (2014)
- Strongly correlated electronic phase transition systems for cutting-edge microwave devices, S. D. Ha, Y. Zhou, A. E. Duwel, D. W. White and S. Ramanathan, IEEE Microwave Magazine, Sep-Oct, p. 32 (2014)
- Origins of bad metal conductivity and insulator-metal transition in the rare-earth nickelates, R. Jaramillo, S. D. Ha, D. M. Silevitch and S. Ramanathan, Nature Physics, 10, 304 (2014)
- Ultra-thin freestanding ceria membranes: layer transfer techniques and high temperature conductivity studies, J. S. Sim, J. Shi and S. Ramanathan, Journal of Materials Chemistry A, 2, 19019 (2014)
- Conductivity noise study of the kinetics of the insulator-metal transition and phase co-existence in epitaxial samarium nickelate thin films, A. Sahoo, S. D. Ha, S. Ramanathan and A. Ghosh, Physical Review B, 90, 085116 (2014)
- Abrupt insertion loss drop by RF-triggering of the phase transition in VO2 CPW switches, S. D. Ha, Y. Zhou, C. J. Fisher, S. Ramanathan and J. Treadway, IEEE Microwave and Wireless Components Letters, 24, 575 (2014)
- Nonisostructural complex oxide heteroepitaxy, F. J. Wong and S. Ramanathan, Journal of Vacuum Science and Technology A, 32, 040801 (2014); critical review
2014
2013
- A correlated nickelate synaptic transistor, J. Shi, S. D. Ha, Y. Zhou, F. Schoofs and S. Ramanathan, Nature Communications, 4, 2676 (2013)
2012
- Ultra-thin perfect absorber employing a tunable phase change material, M. Kats, D. Sharma, J. Lin, P. Genevet, R. Blanchard, Z. Yang, M. M. Qazilbash, D. N. Basov, S. Ramanathan and F. Capasso, Applied Physics Letters, 101, 221101 (2012)
- Orientation dependent oxygen exchange kinetics on single crystal SrTiO3 surfaces, K. Kerman, C. Ko and S. Ramanathan, Physical Chemistry Chemical Physics, 14, 11953 (2012)
2011
- Electronic granularity and the work function of transparent conducting ZnO:Al thin films, R. Jaramillo and S. Ramanathan, Advanced Functional Materials, 21, 4068 (2011)
- Adaptive oxide electronics: A review, S. D. Ha and S. Ramanathan, Applied Physics Reviews-Journal of Applied Physics , 110, 071101 (2011)
2010
- Thermal conductivity and dynamic heat capacity across the metal-insulator transition in thin film VO2, D. Oh, C. Ko, S. Ramanathan and D.G. Cahill, Applied Physics Letters, 96, 151906, 2010
2009
- Photon-assisted oxidation and oxide synthesis: A review, M. Tsuchiya, K.R.S.S. Sankaranarayanan and S. Ramanathan, Progress in Materials Science, 54, 981 (2009)
2008
- An investigation into photon irradiation induced structural and interfacial phenomena in pure and alio-valently doped zirconia thin films, M. Tsuchiya and S. Ramanathan, Philosophical Magazine, 88, 2519 (2008)
2007
- X-ray absorption spectroscopy studies of vanadium oxide thin films across the phase transition boundary, D. Ruzmetov, S. Senanayake and S. Ramanathan, Physical Review B, 75, 195102 (2007)
2006
- Three-dimensional wafer stacking via Cu-Cu bonding integrated with 65 nm strained Si/low-k CMOS tchnology, P. Morrow, C. M. Park, S. Ramanathan, M. Kobrinsky and M. Harmes, IEEE Electron Device Letters, 27, 335 (2006)
2004
- Charge-trapping studies in ZrO2 and HfO2 gate dielectrics grown by ultra-violet ozone oxidation, S. Ramanathan, P.C. McIntyre, S. Guha and E.P. Gusev, Applied Physics Letters, 84, 389 (2004)
2003
- Phase separation in hafnium silicates for alternative gate dielectrics, S. Ramanathan, P. C. McIntyre, J. Luning, P.S. Lysaght, Y. Yang, Z. Chen and S. Stemmer, Journal of Electrochemical Society, 150, F173 (2003)
2002
- Germanium MOS capacitors incorporating ultra-thin high-k dielectric, C.O. Chui, S. Ramanathan, B. Triplett, P.C. McIntyre and K.C. Saraswat, IEEE Electron Device Letters, 23, 473 (2002).
2001
- Microstructural study of epitaxial Pt films and permalloy / Pt films on (0001) Sapphire, S. Ramanathan, B.M. Clemens, P.C. McIntyre and U. Dahmen, Philosophical Magazine A, 81, 2073-2094 (2001).
Selected Conferences/Book Chapters
Supervised PhD Dissertations