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Preprints

    1. F. Ke, S. Niu, J. Feng, K. Yin, M. Han, H. Yang, B. Y. Wang, H. Chen, B. Zhao, A. Celeste, C. Jia, B. Chen, L. Wang, J. Ravichandran, H. Hwang, Y. Tian, W. Mao, Y. Lin, “Observation of superconductivity in compressed quasi-one-dimensional face-sharing hexagonal perovskite chalcogenides”, submitted.
    2. H. Chen, S. Singh, M. Surendran, B. Zhao, Y.-T. Wang, and J. Ravichandran, “Electrical contacts for high performance optoelectronic devices of BaZrS3 single crystals”, submitted.
    3. H. Kumarasubramanian, P. V. Ravindran, T.-R. Liu, T. Song, M. Surendran, H. Chen, P. Buragohain, I-C. Tung, A. Sen Gupta, R. Steinhardt, I. A. Young, Y.-T. Shao, A. I. Khan, and J. Ravichandran, “Kinetic control of retention and endurance in ultrathin ferroelectric perovskite capacitors”, submitted.
    4. B. Zhao, G. Y. Jung, H. Chen, S. Singh, Z. Du, C. Wu, G. Ren, Q. Zhao, N. S. Settineri, S. J. Teat, H. Wen, R. Mishra and J. Ravichandran, “Emergent Atomic Scale Polarization Vortices”, submitted.
    5. S. Singh, A. Irshad, G. D. De la Cruz, B. Zhao, B. Zayat, Q. Chang, S. Narayan, and J. Ravichandran, “Bifunctional Noble Metal-free Ternary Chalcogenide Electrocatalysts for Overall Water Splitting”, submitted.
    6. M. S. B. Hoque, E. R. Hoglund, B. Zhao, D.-L. Bao, H. Zhou, S. Thakur, E. Osei-Agyemang, K. Hattar, E. A. Scott, M. Surendran, J. A. Tomko, J. T. Gaskins, K. Aryana, S. Makarem, G. Balasubramanian, A. Giri, T. Feng, J. A. Hachtel, J. Ravichandran, S. T. Pantelides, and P. E.
      Hopkins, “Ruddlesden-Popper chalcogenides push the limit of mechanical stiffness and glass-like thermal conductivity in crystals”, submitted.

Published Articles


    1. 2024

    1. G. Ren, G. Y. Jung, H. Chen, C. Wang, B. Zhao, R. K. Vasudevan, J. A. Hachtel, A. R. Lupini, M. Chi, D. Xiao, J. Ravichandran, and R. Mishra, “Strain-driven stabilization of a room-temperature chiral multiferroic with coupled ferroaxial and ferroelectric order”, Advanced Functional Materials, 202416560 (2024).
    2. H. Chen, Y. Liu, H. Kumarasubramanian, M. Surendran, and J. Ravichandran, “A Strategy for Fabricating Microscale Freestanding Single-Crystalline Complex Oxide Device Arrays”, ACS Applied Electronic Materials, Article ASAP, DOI: 10.1021/acsaelm.4c01480.
    3. R. Yu, B. K. Shrewsbury, C. Wu, H. Kumarasubramanian, M. Surendran, J. Ravichandran, and M. L. Povinelli, “Growth of VO2-ZnS Thin Film Cavity for Adaptive Thermal Emission”, Applied Physics Letters, 125, 121117 (2024).
    4. B. Zhao, H. Mei, Z. Du, S. Singh, T. Chang, J. Li, B. Ilyas, Q. Song, T.-R. Liu, Y.-T. Shao, R. Comin, N. Gedik, N. S. Settineri, S. J. Teat, Y.-S. Chen, S. B. Cronin, M. A. Kats, and J. Ravichandran, “Infrared Optical Anisotropy in Quasi-1D Hexagonal Chalcogenide BaTiSe3”, Advanced Optical Materials, 12, 2400327 (2024).
    5. P. P. Balakrishnan, D. F. Segedin, L. E. Chow, P. Quarterman, S. Muramoto, M. Surendran, R. K. Patel, H. LaBollita, G. A. Pan, Q. Song, Y. Zhang, I. El Baggari, K. Jagadish, Y.-T. Shao, B. H. Goodge, L. F. Kourkoutis, S. Middey, A. S. Botana, J. Ravichandran, A. Ariando, J. A. Mundy, A. J. Grutter, “Hydrogen is not necessary for superconductivity in topotactically reduced nickelates”, Nature Communications, 15, 7387 (2024).
    6. K. Ye, M. Menahem, T. Salzillo, B. Zhao, S. Niu, F. Knoop, I. Sadeghi, O. Hellman, J. Ravichandran, R. Jaramillo and O. Yaffe, “Differing vibrational properties of halide and chalcogenide perovskite semiconductors and impact on optoelectronic performance”, Physical Review Materials, 8, 085402 (2024).
    7. H. Chen, and J. Ravichandran, “A system built for both deterministic transfer processes and contact photolithography”, Advanced Engineering Materials, 26, 2401228 (2024).
    8. H. Chen, S. Singh, H. Mei, G. Ren, B. Zhao, M. Surendran, Y.-T. Wang, R. Mishra, M. A. Kats, and J. Ravichandran, “Molten flux growth of single crystals of quasi-1D hexagonal chalcogenide BaTiS3”, Journal of Materials Research, 39, 1901 (2024).
    9. M. Surendran, J. Rollag, C. Stevens, C-T. Fu, H. Kumarasubramanian, Z. Wang, D. G. Schlom, R. Gibson, J. Hendrickson and J. Ravichandran, “Epitaxial rare-earth doped complex oxide thin films for infrared applications”, ACS Applied Electronic Materials, 6, 3539 (2024).
    10. B. Zhao, G. Ren, H. Mei, V. C. Wu, S. Singh, G. -Y. Jung, H. Chen, R. Giovine, S. Niu, A. S. Thind, J. Salman, N. S. Settineri, B. C. Chakoumakos, M. E. Manley, R. P. Hermann, A. R. Lupini, M. Chi, J. A. Hachtel, A. Simonov, S. J. Teat, R. J. Clement, M. A. Kats, J. Ravichandran, and R. Mishra, “Giant Modulation of Refractive Index from Picoscale Atomic Displacements”, Advanced Materials, 36, 2311559 (2024).
    11. N. Humphrey, A. Tsung, S. Singh, A. Irshad, B. Zhao, S. Narayan, J. Ravichandran, and S. M. Sharada, “The Hydrogen Evolution Activity of BaZrS3, BaTiS3, and BaVS3 Chalcogenide Perovskites”, ChemPhysChem, 25, e202300953 (2024).
    12. B. Zhao, H. Chen, R. Ashan, F. Hou, E. R. Hoglund, S. Singh, M. Shanmugasundaram, H. Zhao, H. Htoon, A. Hrayev, P. E. Hopkins, J. Seidel, R. Kapadia, and J. Ravichandran, “Photoconductive Effects in Single Crystals of BaZrS3“, ACS Photonics, 11, 1109 (2024).
    13. M. Surendran, S. Singh, H. Chen, C. Wu, A. Avishai, Y-T. Shao, and J. Ravichandran, “A hybrid pulsed laser deposition approach to grow thin films of chalcogenides”, Advanced Materials, 36, 2312620 (2024).


      14. 2023

    14. H. Chen, N. Wang, H. Liu, H. Wang, J. Ravichandran, “Charge-density-wave resistive switching and voltage oscillations in ternary chalcogenide BaTiS3“, Advanced Electronic Materials, 9, 2300461 (2023).
    15. H. Chen, B. Zhao, J. Mutch, G. Y. Jung, G. Ren, S. Shabani, E. Seewald, S. Niu, J. Wu, N. Wang, M. Surendran, S. Singh, J. Luo, S. Ohtomo, G. Goh, B. C. Chakoumakos, S. J. Teat, B. Melot, H. Wang, A. N. Pasupathy, R. Mishra, J. -H. Chu, J. Ravichandran, “Charge-Density-Wave Order And Electronic Phase Transitions in a Dilute d-Band Semiconductor”, Advanced Materials, 35, 2303283 (2023).
    16. H. Mei, G. Ren, B. Zhao, J. Salman, G. Y. Jung, H. Chen, S. Singh, A. S. Thind, J. Cavin, J. A. Hachtel, M. Chi, S. Niu, G. Joe, C. Wan, N. Settineri, S. J. Teat, B. C. Chakoumakos, J. Ravichandran, R. Mishra, M. A. Kats, “Colossal Optical Anisotropy from Atomic-scale Modulations”, Advanced Materials, 35, 2303588 (2023).


      17. 2022

    17. H. Chen, A. Avishai, and J. Ravichandran, “A Polymeric Planarization Strategy for Versatile Multiterminal Electrical Transport Studies on Small, Bulk Crystals”, ACS Applied Electronic Materials, 4, 5550–5557 (2022).
    18. M. Surendran, B. Zhao, G. Ren, S. Singh, A. Avishai, H. Chen, J-K. Han, M. Kawasaki, R. Mishra and J. Ravichandran, “Quasi-epitaxial growth of BaTiS3 films”, Journal of Materials Research, 37, 3481–3490 (2022).
    19. K. Ye, B. Zhao, B. Diroll, J. Ravichandran and R. Jaramillo, “Time-Resolved Photoluminescence Studies of Perovskite Chalcogenides”, Faraday Discussions, 239, 146-159 (2022).
    20. N. Tasneem, H. Kashyap, K. Chae, C. Park, P. Lee, S. Lombardo, N. Afroze, M. Tian, H. Kumarasubramanian, H. Chen, W. Chern, S. Yu, P. Bandaru, J. Ravichandran, K. Cho, J. Kacher, A. Kummel, and A. Khan, “Remote Oxygen Scavenging of the Interfacial Oxide Layer in Ferroelectric Hafnium-Zirconium Oxide-based Metal-Oxide-Semiconductor Structures”, ACS Applied Materials & Interfaces, 14, 43897–43906 (2022).
    21. K. Chae, S. Lombardo, N. Tasneem, M. Tian, H. Kumarasubramanian, J. Hur, W. Chern, S. Yu, C. Richter, P. Lomenzo, M. Hoffmann, U. Schroeder, D. Triyoso, S. Consiglio, K. Tapily, R. Clark, G. Leusink, N. Bassiri-Gharb, P. Bandaru, J. Ravichandran, A. Kummel, K. Cho, J. Kacher, and A. Khan, “Local Epitaxial Templating Effects in Ferroelectric and Antiferroelectric ZrO2”, ACS Applied Materials & Interfaces, 14, 36771–36780 (2022).
    22. B. Zhao, M. S. B. Hoque, G. W. Jung, H. Mei, S. Singh, G. Ren, M. Milich, Q. Zhao, N. Wang, H. Chen, S. Niu, S-J. Lee, C-T. Kuo, J-S. Lee, J. A. Tomko, H. Wang, M. Kats, R. Mishra, P. E. Hopkins, J. Ravichandran, “Orientation Controlled Anisotropy in Single Crystals of Quasi-1D BaTiS3”, Chemistry of Materials, 34, 5680–5689 (2022).
    23. K. Ye, N. Z. Koocher, S. Filippone, S. Niu, B. Zhao, M. Yeung, S. Bone, A. J. Robinson, P. Vora, A. Schleife, L. Ju, A. Boubnov, J. M. Rondinelli, J. Ravichandran, R. Jaramillo, “Low-energy electronic structure of perovskite and Ruddlesden-Popper semiconductors in the Ba-Zr-S system probed by bond-selective polarized X-ray absorption spectroscopy, infrared reflectivity, and Raman scattering”, Phys Rev B,105, 195203 (2022).
    24. Y. Liu, G. Ren, T. Cao, R. Mishra, and J. Ravichandran, “Modeling Temperature, Frequency, and Strain Effects on the Linear Electro-Optic Coefficients of Ferroelectric Oxides”, Journal of Applied Physics,131, 163101 (2022).
    25. M. Hoffmann, Z. Wang, N. Tasneem, A. Zubair, P. V. Ravindran, M. Tian, A. Gaskell, D. Triyoso, S. Consiglio, K. Tapily, R. Clark, J. Hur, S. S. K. Pentapati, M. Dopita, S. Yu, W. Chern, J. Kacher, S. E. Reyes-Lillo, D. Antoniadis, J. Ravichandran, S. Slesazeck, T. Mikolajick & A. I. Khan, “Antiferroelectric negative capacitance from a structural phase transition in zirconia”, Nature Communications, 13, 1228 (2022).
    26. E. R. Hoglund, D-L. Bao, A. O’Hara, S. Makarem, Z. T. Piontkowski, J. R. Matson, A. K. Yadav, R. C. Haislmaier, R. E-Herbert, J. F. Ihlefeld, J. Ravichandran,  R. Ramesh, J. D. Caldwell, T. E. Beecham,  J. A. Tomko, J. A. Hachtel, S. T. Pantelides, P. E. Hopkins, J. M. Howe, “Emergent Interface Vibrational Structure of Oxide Superlattices”, Nature, 601, 556-561 (2022).


      27. 2021

    27. M. Surendran, H. Chen, B. Zhao, A. S. Thind, S. Singh, T. Orvis, H. Zhou, J-K. Han, H. Htoon, M. Kawasaki, R. Mishra, J. Ravichandran, “Epitaxial Thin Films of a Chalcogenide Perovskite”, Chemistry of Materials, 33, 7457-7464 (2021).
    28. T. Orvis, T. Cao, M. Surendran, H. Kumarasubramanian, A. Cunniff, R. Mishra and J. Ravichandran, “Direct Observation and Control of Surface Termination in Perovskite Oxide Heterostructures”, Nano Letters, 21, 4160-4166 (2021).
    29. T. Orvis, H. Kumarasubramanian, M. Surendran, S. Kutagulla, A. Cunniff, and J. Ravichandran, “In situ Monitoring of Composition and Sensitivity to Growth Parameters of Pulsed Laser Deposition”, ACS Applied Electronic Materials, 3, 1422-1428 (2021).


      30. 2020

    30. B. Sun, S. Niu, R. P. Hermann, J. Moon, N. Shulumba, K. L. Page, B. Zhao, A. S. Thind, K. Mahalingam, J. Milam-Guerrero, R. Haiges, M. Mecklenburg, B. C. Melot, Y-D. Jho, B. M. Howe, R. Mishra, A. Alatas, B. Winn, M. E. Manley, J. Ravichandran, A. Minnich, “High-frequency atomic tunneling yields ultralow and glass-like thermal conductivity in chalcogenide single crystals”,  Nature Communications, 11, 6039 (2020).
    31. S. Filippone, B. Zhao, S. Niu, N. Z. Koocher, D. Silevitch, I. Fina, J. M. Rondinelli, J. Ravichandran, R. Jaramillo, “Discovery of highly-polarizable semiconductors BaZrS3 and Ba3Zr2S7“, Physical Review Materials, 4, 091601(R) (2020).
    32. J. Tao, D. Sarkar, S. Weng, T. Orvis, R. Ahsan, S. Kale, Y. Xu, H. Y. Chae, F. Greer, J. Ravichandran, C. Sideris, and R. Kapadia, “High Mobility Large Area Single Crystal III-V Thin Film Templates Directly Grown on Amorphous SiO2 on Silicon”, Applied Physics Letters, 117, 042103 (2020).
    33. D. Sarkar, J. Tao, R. Ahsan, D. Yang, T. Orvis, S. Weng, F. Greer, J. Ravichandran, C. Sideris, and R. Kapadia, “Monolithic High-Mobility InAs on Oxide Grown at Low Temperature”, ACS Applied Electronic Materials , 2(7), 1997–2002 (2020).


      34. 2019

    34. S. Niu, B. Zhao, K. Ye, E. Bianco, J. Zhou, M. E. McConney, C. Settens, R. Haiges, R. Jaramillo, J. Ravichandran, “Crystal growth of perovskite chalcogenide BaZrS3 and Ruddlesden-Popper phase Ba3Zr2S7“, Journal of Materials Research , 34 (22), 3819-3826 (2019). [Invited Article]
    35. W. Li, S. Niu, B. Zhao, R. Haiges, J. Ravichandran, A. Janotti, “Band gap evolution in Ruddlesden-Popper phases”,  Physical Review Materials, 3, 101601(R) (2019). [Rapid Communication]
    36. R. Jaramillo, J. Ravichandran, “In Praise and in Search of Highly-Polarizable Semiconductors”,  APL Materials, 7, 100902 (2019). [Featured Perspective]
    37. T. Orvis, M. Surendran, Y. Liu, A. Cunniff, J. Ravichandran, “In situ Auger electron spectroscopy of complex oxide surfaces grown by pulsed laser deposition”, Journal of Vacuum Science and Technology A, 37, 061401 (2019).
    38. J. Wu, X. Cong, S. Niu, F. Liu, H. Zhao, Z. Du, J. Ravichandran, P-H. Tan, H. Wang, “Linear Dichroism Conversion in Quasi One-Dimensional Perovskite Chalcogenide”,  Advanced Materials, 31 (33), 1902118 (2019).
    39. T. Orvis, M. Surendran, Y. Liu, S. Niu, S. Muramoto, A. J. Grutter, J. Ravichandran, “Electron Doping BaZrO3 via Topochemical Reduction”,  ACS Applied Materials & Interfaces, 11 (24), 21720 (2019).
    40. B. Zhao, J. Ravichandran, “Low power microwave relaxation oscillators based on phase change oxides for neuromorphic computing”, Physical Review Applied, 11, 014020 (2019).
    41. Y. Liu, Z. Wang, A. S. Thind, T. Orvis, D. Sarkar, R. Kapadia, A. Y. Borisevich, R. Mishra, A. I. Khan, J. Ravichandran, “Epitaxial growth and Dielectric Characterization of Atomically Smooth 0.5Ba(Zr0.2Ti0.8)O3–0.5(Ba0.7Ca0.3)TiO3 thin films”, Journal of Vacuum Science and Technology A, 37, 011502 (2019). [Journal Cover]


      42. 2018

    42. G. Singh-Bhalla, P. B. Rossen, G. K. Palsson, M. Mecklenburg, T. Orvis, S. Das, Y-L. Tang, S. J. Suresha, D. Yi, A. Dasgupta, D. Doennig, V. G. Ruiz, A. K. Yadav, M. Trassin, J. T. Heron, C. S. Fadley, R. Pentcheva, J. Ravichandran, R. Ramesh, “Unexpected Termination Switching and Polarity Compensation in LaAlO3/SrTiO3 heterostructures”, Physical Review Materials, 2, 112001(R) (2018). [Editor’s Suggestion, Rapid Communication]
    43. S. Niu, J. Milam-Guerrero, Y. Zhou, K. Ye, B. Zhao, B. C. Melot, J. Ravichandran, “Thermal Stability Study of Transition Metal Perovskite Sulfides”, Journal of Materials Research, 33 (24), 4135-4143 (2018). [Invited Article]
    44. Y. Liu, S. Niu, T. Orvis, H. Zhang, H. Wang, J. Ravichandran, “Epitaxial Growth and Electrical Properties of VO2 on LSAT (111) substrate”, Journal of Vacuum Science & Technology A, 36, 061506 (2018).
    45. S. Niu, H. Zhao, Y. Zhou, H. Huyan, B. Zhao, J. Wu, S. B. Cronin, H. Wang, J. Ravichandran, “Mid-wave and Long-wave IR Linear Dichroism in a Hexagonal Perovskite Chalcogenide”, Chemistry of Materials, 30 (15), 4897-4901 (2018).
    46. S. Niu, D. Sarkar, K. Williams, Y. Zhou, Y. Li, E. Bianco, H. Huyan, S. B. Cronin, M. E. McConney, R. Haiges, R. Jaramillo, D. J. Singh, W. A. Tisdale, R. Kapadia, J. Ravichandran, “Optimal Bandgap in a 2D Ruddlesden–Popper Perovskite Chalcogenide for Single-Junction Solar Cells”, Chemistry of Materials, 30 (15), 4882-4886 (2018).
    47. S. Niu, G. Joe, H. Zhao, Y. Zhou, T. Orvis, H. Huyan, J. Salman, K. Mahalingam, B. Urwin,  J. Wu, Y. Liu, T. E. Tiwald, S. B. Cronin, B. M. Howe, M. Mecklenburg, R. Haiges, D. J. Singh, H. Wang, M. A. Kats, J. Ravichandran, “Giant optical anisotropy in a quasi-1D crystal”, Nature Photonics, 12, 392-396 (2018). [Featured in Nature Photonics – News and Views, Materials Today, Viterbi News, EurekaAlert, IEEE Electronics 360, Laser Focus World, Compound Semiconductor Magazine]
    48. D. Sarkar, W. Wang, M. Mecklenburg, A. Clough, M. Yeung, C. Ren, Q. Lin, L. Blankemeier, S. Niu, H. Zhao, H. Shi, H. Wang, S. Cronin, J. Ravichandran, M. Luhar, R. Kapadia, “Confined Liquid Phase Growth of Crystalline Compound Semiconductors on Any Substrate”, ACS Nano, 12 (6), 5158-5167 (2018).
    49. D. Sarkar, W. Wang, Q. Lin, J. Tao, M. Mecklenburg, J. Ravichandran, R. Kapadia, “Buffer Insensitive Optoelectronic Properties of InP-on-Si with Templated Liquid Phase Growth”, Journal of Vacuum Science & Technology B, 36 (3), 031204 (2018).
    50. J. P. Feser and J. Ravichandran, “More Power to Pyroelectrics”, Nature Materials, 17, 385 (2018). (News & Views)
    51. S-Y. Zhao, G. Elbaz, D. Bediako, C. Yu, D. Efetov, Y. Guo, J. Ravichandran, K-A. Min, S. Hong, T. Taniguchi, K. Watanabe, L. Brus, X. Roy, P. Kim, “Controlled Electrochemical Intercalation of Graphene/h-BN van der Waals Heterostructures”, Nano Letters, 18(1), 460 (2018).
    52. K. Luo, S. Niu, D. Shah, A. Lonkar, Y. Liu, and J. Ravichandran, “Prediction of Perovskite and Other Ternary Oxide Multilayers as Mirrors for Soft X-rays”, Materials Research Bulletin, 98, 206 (2018). 


      53. 2017

    53. S. Ghosh, S. Niu, M. Yankova, M. Mecklenburg, S. M. King, J. Ravichandran, R. K. Kalia, A. Nakano, P. Vashishta, and P. Setlow, “Analysis of killing of growing cells and dormant spores of Bacillus species by black silicon nanopillars”, Scientific Reports, 7, 17768 (2017).
    54. Q. Lin, D. Sarkar, Y. Lin, M. Yeung, L. Blankemeier, J. Hazra, W. Wang, S. Niu, J. Ravichandran, Z. Fan, R. Kapadia, “A Scalable Indium Phosphide Thin-Film Nanophotonics Platform for Photovoltaic and Photoelectrochemical Devices”, ACS Nano, 11 (5), 5113 (2017).
    55. S. Niu, H. Huyan, Y. Liu, M. Yeung, K. Ye, L. Blankemeier, T. Orvis, D. Sarkar, D. J. Singh, R. Kapadia, and J. Ravichandran, “Band-Gap Control via Structural and Chemical Tuning of Transition Metal Perovskite Chalcogenides”, Advanced Materials, 29, 1604733 (2017). [Featured in Advanced Science News, Viterbi News and Nanowerk.].
    56. J. Ravichandran, “Thermoelectric and thermal transport properties of complex oxide thin films, heterostructures and superlattices”, Journal of Materials Research, 32 (1), 183 (2017). [Invited Review, Special Issue on Early Career Scholars in Materials Science].


      57. 2016

    57. J. Ravichandran, C. R. Serrao, D. K. Efetov, D. Yi, Y. S. Oh, S-W. Cheong, R. Ramesh and P. Kim, “Ambipolar Transport and Magneto-resistance Crossover in a Mott Insulator, Sr2IrO4”, Journal of Physics: Condensed Matter, 28, 505304 (2016). [IOPSelect – Articles from the last 12 months that have been chosen by our editors for their novelty, significance and potential impact on future research].


      58. 2015

    58. M. Huang, G. Jnawali, J.-F. Hsu, S. Dhingra, H. Lee, S. Ryu, F. Bi, F. Ghahari, J. Ravichandran, L. Chen, P. Kim, C.-B. Eom, B. D’Urso, P. Irvin, and J. Levy, “Electric field effects in graphene/LaAlO3/SrTiO3 heterostructures and nanostructures”, APL Materials, 3, 062502 (2015).


      59. 2014

    59. W. Gao, A. I. Khan, X. Marti, C. Nelson, C. Serrao, J. Ravichandran, R. Ramesh and S. Salahuddin, “Room temperature negative capacitance in a ferroelectric-dielectric superlattice heterostructure”, Nano Letters, 14, 5814-5819 (2014).
    60. J. Ravichandran, A. K. Yadav, R. Cheaito, P. B. Rossen, A. Soukiassian, S. J. Suresha, J. C. Duda, B. M. Foley, C-H. Lee, Y. Zhu, A. W. Lichtenberger, J. E. Moore, D. A. Muller, D. G. Schlom, P. E. Hopkins, A. Majumdar, R. Ramesh and M. A. Zurbuchen, “Crossover from incoherent to coherent phonon scattering in epitaxial oxide superlattices”, Nature Materials, 13, 168-172 (2014).


      61. 2013

    61. A. Biswas, P. B. Rossen, J. Ravichandran, Y-H. Chu, Y-W. Lee, C-H. Yang, R. Ramesh, Y. H. Jeong, “Creating both A-site and B-site terminated surfaces on oxide substrates”, Applied Physics Letters, 102, 051603 (2013).


      62. 2012

    62. E. Ertekin, V. Srinivasan, J. Ravichandran, P. B. Rossen, W. Siemons, A. Majumdar, R. Ramesh and J. Grossman, “Interplay between intrinsic defects, doping and free carriers in perovskite thin films”, Physical Review B, 85, 195460 (2012).
    63. J. E. Kleibeuker, B. Kuiper, S. Harkema, D. H. A. Blank, G. Koster, G. Rijnders, P. Tinnemans, E. Vlieg, P. B. Rossen, J. Ravichandran, R. Ramesh, G. Portale, W. Siemons and J. M. Szepieniec, “Surface analysis of polar DyScO3 (110)”, Physical Review B, 85,165413 (2012).
    64. J. Ravichandran, A. K. Yadav, W. Siemons, M. A. McGuire, V. M. Wu, A. Majumdar and R. Ramesh, “Size effects on thermoelectricity in a strong correlated electron system”, Physical Review B, 85, 085112 (2012).
    65. K. R. Balasubramanian, V. M. Kao, J. Ravichandran, P. B. Rossen, W. Siemons and J. W. Ager III, “Semiconductor thin films directly from mineral – Study of structural, optical and transport characteristics of Cu2O thin films from malachite mineral and synthetic copper oxide”, Thin solid films, 520, 3914 (2012).


      66. 2011

    66. D-W. Oh, J. Ravichandran, C-W. Liang, W. Siemons, B. Jalan, C. M. Brooks, M. Huijben, D. G. Schlom, S. Stemmer, L. W. Martin, A. Majumdar, R. Ramesh and D. G. Cahill, “Thermal conductivity as a metric for the crystalline quality of SrTiO3 epitaxial layers”, Applied Physics Letters, 98, 221904 (2011).
    67. J. Ravichandran, J. T. Kardel, M. L. Scullin, J.-H. Bahk, H. Heijmerikx, J. E. Bowers and A. Majumdar, “An apparatus for simultaneous measurement of electrical conductivity and thermopower of thin films in the temperature range of 300-750 K”, Review of Scientific Instruments, 82, 015018 (2011).
    68. J. Ravichandran, W. Siemons, M. L. Scullin, S. Mukerjee, M. Huijben, J. E. Moore, A. Majumdar and R. Ramesh, “Tuning the electronic effective mass in double-doped SrTiO3”, Physical Review B, 83, 035101 (2011).
    69. G. Singh-Bhalla, C. Bell, J. Ravichandran, W. Siemons, Y. Hikita, S. Salahuddin, A. F. Hebard, H. Y. Hwang and R. Ramesh, “Built-in and induced polarization across LaAlO3/SrTiO3 heterojunctions”, Nature Physics, 7, 80 (2011).


      70. 2010

    70. J. Ravichandran, W. Siemons, D-W. Oh, J. T. Kardel, A. Chari, H. Heijmerikx, M. L. Scullin, A. Majumdar, R. Ramesh and D. G. Cahill, “High temperature thermoelectric response of double-doped SrTiO3 epitaxial films”, Physical Review B, 82, 165126 (2010).
    71. J. Kleibeuker, G. Koster, W. Siemons, D. Dubbink, B. Kuiper, J. L. Blok, C-H. Yang, J. Ravichandran, R. Ramesh, J. E. ten Elshof, D. H. A. Blank and G. Rijnders, “Atomically defined rare-earth scandate crystal surfaces”, Advanced Functional Materials, 20, 3490 (2010).
    72. J. Ravichandran, W. Siemons, H. Heijmerikx, M. Huijben, A. Majumdar and R. Ramesh, “An epitaxial transparent conducting perovskite oxide: double-doped SrTiO3”, Chemistry of Materials, 22, 3983 (2010).
    73. M. L. Scullin, J. Ravichandran, C. Yu, M. Huijben, J. Seidel, A. Majumdar and R. Ramesh, “Pulsed-laser deposition-induced reduction of SrTiO3crystals”, Acta Materialia, 58, 457 (2010).
    74. S. P. Mondal, S. K. Ray, J. Ravichandran and I. Manna, “Temperature dependent growth and optical properties of SnO2 nanowires and nanobelts”, Bulletin of Materials Science, 33 (4), 357 (2010).


      75. 2009

    75. S. Maiti, M. Pastor, R. S. Sundaram, J. Ravichandran, K. Biswas and I. Manna, “Synthesis and characterization of nanocrystalline dysprosia stabilized zirconia based electrolyte for intermediate-temperature solid oxide fuel cell”, Journal of alloys and compounds, 475, 587 (2009).
    76. N. Chakraborti, R. Sreevathsan, R. Jayakanth and B. Bhattacharya, “Tailor-made material design: An evolutionary approach using multi-objective genetic algorithms”, Computational Materials Science, 45 (1), 1 (2009).


      77. 2008

    77. J. Ravichandran, A. G. Manoj, J. Liu, I. Manna and D. L. Carroll, “A novel polymer nanotube composite for photovoltaic packaging applications”, Nanotechnology, 19, 085712 (2008).


      78. 2007

    78. N. Chakraborti, R. Jayakanth, S. Das, E.D. Çalisir, and Ş. Erkoç, “Evolutionary and genetic algorithms applied to Li+-C system: calculations using differential evolution and particle swarm algorithm”, Journal of Phase Equilibria and Diffusion, 28 (2), 140-149 (2007).
    79. N. Chakraborti, S. Das, R. Jayakanth, R. Pekoz and Ş. Erkoç, “Genetic algorithms applied to Li+ ions contained in carbon nanotubes: an investigation using particle swarm optimization and differential evolution along with molecular dynamics”, Materials and Manufacturing Processes, 22(5), 562-569 (2007).


      80. 2005

    80. S. R. C. Vivekchand, R. Jayakanth, A. Govindaraj and C. N. R. Rao, “The problem of purification of single-walled carbon nanotubes”, Small, 1 (10), 920-923 (2005).
    81. R. Nandan, R. Rai, R. Jayakanth, S. Moitra, N. Chakraborti and A. Mukhopadhyay, “Regulating crown and flatness during hot rolling: a multi-objective optimization study using genetic algorithms”, Materials and Manufacturing Processes, 20 (3), 459-478 (2005).

Patents

  1. S. Niu, G. Joe, M. Kats, and J. Ravichandran, “Anisotropic materials and methods of forming anisotropic materials exhibiting high optical anisotropy”, International Patent, WO 2020/068183 A2, published April 02, 2020.
University of Southern California