Stephen Ducharme

Peter Dowben.

Professor
Physics and Astronomy

310F Jorgensen Hall
Lincoln, NE 68588
(402) 472-8590

sducharme1@unl.edu
Molecular Ferroelectrics Lab

Google Scholar

Web of Science ResearcherID
Education
  • Postdoctoral, Physics, University of Utah, 1986-1988
  • Ph.D., Physics, University of Southern California, 1986
  • M.A., Physics, University of Southern California, 1982
  • B.S., Physics, University of Lowell (Now The University of Massachusetts at Lowell), 1981

Research Interests
  1. Nanostructured and 2D Organic Materials
  2. Functional Organic Materials
  3. Fundamentals of Ferroelectricity

Patents
  • “System and method for improving data acquisition capability in spectroscopic rotatable element, rotating element, modulation element, and other ellipsometer and polarimeter and the like systems,” S. E. Green, C. M. Herzinger, B. D. Johs, J. A. Woollam, S. P. Ducharme. US Patent #5,956,145 issued 21 September 1999. Assignee: J. A. Woollam Co. Inc.
  • “Ellipsometer,” S. P. Ducharme, E. H. Machlab, B. D. Johs, J. A. Woollam, UNL and J. A. Woollam Company. U. S. Patent #5,657,126 issued 12 August 1997. Assignee: The Board of Regents of the University of Nebraska.
  • “Photorefractive Materials,” S. P. Ducharme, W. E. Moerner, J. C. Scott, R. W. Twieg. U. S. Patent #5,460,907 issued 24 October 1995; Continuation Patent #5,460,907, issued 24 October 1995. Assignee: IBM Corporation.
  • “Small Modulation Ellipsometer,” S. P. Ducharme, E. H. Machlab, B. D. Johs, J. A. Woollam, UNL and J. A. Woollam Company. U. S. Patent #5,416,588 issued 16 May 1995. Assignee: The Board of Regents of the University of Nebraska.
  • “Photorefractive Materials,” S. P. Ducharme, W. E. Moerner, J. C. Scott, R. W. Twieg. U. S. Patent #5,064,264 issued 12 November 1991; European patent #91309082.5, issued 11 November 1991. Assignee: IBM Corporation.

Select Publications

Nanostructured and 2D Organic Materials

  • Ferroelectricity at the Nanoscale, Vladimir Fridkin and S. Ducharme (Springer, Berlin, 2014), 132 pages. ISBN 978-3-642-41007-9 http://link.springer.com/book/10.1007%2F978-3-642-41007-9
  • “Diisopropylammonium Bromide Based Two-Dimensional Ferroelectric Monolayer Molecular Crystal with Large In-Plane Spontaneous Polarization,” Ma, Liang; Jia, Yinglu; Ducharme, Steve; Wang, Jinlan; Zeng, Xiao Cheng, Journal of the American Chemical Society 141 (4), 1452-1456 (2019). http://dx.doi.org/10.1021/jacs.8b12102
  • “Ferroelectric polymer nanopillar arrays on flexible substrates by reverse nanoimprint lithography,” Jingfeng Song, Haidong Lu, Shumin Li, Li Tan, Shireen Adenwalla, Alexei Gruverman, Stephen Ducharme, Journal of Materials Chemistry C 4 (25), 5914-5921 (2016). http://dx.doi.org/10.1039/C6TC01848C
  • “Hydrogel microphones for stealthy underwater listening,” Yang Gao, Jingfeng Song, Shumin Li, Christian Elowsky, You Zhou, Stephen Ducharme, Yongmei Chen, Qin Zhou, Li Tan, Nature Communications 7, 12316 (10) (2016). http://dx.doi.org/10.1038/ncomms12316
  • “Fabrication of Ferroelectric polymer nanostructures on flexible substrates by soft-mold reverse nanoimprint lithography,” Jingfeng Song, Haidong Lu, Shumin Li, Li Tan, Alexei Gruverman, Stephen Ducharme, Nanotechnology 27, 015302(9) (2016). http://dx.doi.org/10.1088/0957-4484/27/1/015302
  • “Ferroelectric-domain-patterning-controlled Schottky junction state in monolayer MoS2,” Zhiyong Xiao, Jingfeng Song, David K. Ferry, Stephen Ducharme, Xia Hong, Physical Review Letters 123, 236801 (7) (2017). http://dx.doi.org/10.1103/PhysRevLett.118.236801
  • “2D Cocrystallization from H-bonded Organic Ferroelectrics,” Donna A. Kunkel, James Hooper, Benjamin Bradley, Lisa Schlueter, Tom Rasmussen, Paulo Costa, Sumit Beniwal, Stephen Ducharme, Eva Zurek, Axel Enders, Journal of Physical Chemistry Letters 7, 435-440 (2016). http://dx.doi.org/10.1021/acs.jpclett.5b02472
  • “Lateral-Structure Single-Crystal Hybrid Perovskite Solar Cells Via Piezoelectric Poling,” by Q. Dong, J. Song, Y. Fang, Y. Shao, S. Ducharme and J. Huang, Advanced Materials 28(14), 2816-2821 (2016). http://dx.doi.org/10.1002/adma.201505244
  • “Efficiency enhancement in organic solar cells with ferroelectric polymers,” Yongbo Yuan, Timothy J. Reece, Pankaj Sharma, Shashi Poddar, Stephen Ducharme, Alexei Gruverman, Yang Yang, Jinsong Huang, Nature Materials 11 (3), 296-302 (2011). http://dx.doi.org/10.1038/nmat2951
  • “Two-Dimensional Ferroelectric Films,” A. Bune, V. M. Fridkin, S. Ducharme, L. M. Blinov, S. P. Palto, A. Sorokin, S. G. Yudin, A. Zlatkin, Nature 391, 874-877 (1998). http://dx.doi.org/10.1038/36069
  • “An Inside-Out Approach to Storing Electro-Static Energy,” S. Ducharme, ACS Nano 3 (9), 2447–50 (2009). Invited Perspective article. http://dx.doi.org/10.1021/nn901078s
  • “Start the Presses,” S. Ducharme and A. Gruverman, Nature Materials 8, 9-10 (2009). Invited “News and Views” article. http://dx.doi.org/10.1038/nmat2348

Functional Organic Materials

  • “Large electrostrictive response in lead halide perovskites,” B. Chen, T. Li, Q. Dong, E. Mosconi, J. Song, Z. Chen, Y. Deng, Y. Liu, S. Ducharme, A. Gruverman, F. De Angeles and J. Huang, Nature Materials 17, 1020-2026 (2018). http://dx.doi.org/10.1038/s41563-018-0170-x
  • “Charge collection kinetics on ferroelectric polymer surface using charge gradient microscopy,” Yoon-Young Choi, Sheng Tong, Stephen Ducharme, Andreas Roelofs Seungbum Hong, Scientific Reports 6, 25087 (8) (2016). http://dx.doi.org/10.1038/srep25087
  • “Statics and Dynamics of Ferroelectric Domains in Diisopropylammonium Bromide,” Haidong Lu, Tao Li, Shashi Poddar, Om Goit, Alexey Lipatov, Alex Sinitskii, Stephen Ducharme, Alexei Gruverman, Advanced Materials 27(47), 7832-7838 (2015). http://dx.doi.org/10.1002/adma.201504019
  • “Enhancement of local piezoresponse in polymer ferroelectrics via nanoscale control of microstructure,” Yoon-Young Choi, Pankaj Sharma, Charudatta Phatak, David J. Gosztola, Yunya Liu, Joonseok Lee, Jiangyu Li, Alexei Gruverman, Stephen Ducharme, Seungbum Hong, ACS Nano 9 (2), 1809-1819 (2015). http://dx.doi.org/10.1021/nn5067232
  • “Understanding the effect of ferroelectric polarization on power conversion efficiency of organic photovoltaic devices,” Y. B. Yuan, P. Sharma, Z. G. Xiao, S. Poddar, A. Gruverman, S. Ducharme, J. S. Huang, Energy & Environmental Science 5, 8558-63 (2012). http://dx.doi.org/10.1039/C2ee22098a
  • “Ferroelectric Polymer Langmuir-Blodgett Films for Nonvolatile Memory Applications,” S. Ducharme, T. J. Reece, C. M. Othon, R. K. Rannow, IEEE Transactions on Device and Material Reliability 5, 720-735 (2005). http://dx.doi.org/10.1109/TDMR.2005.860818
  • “High Performance Photorefractive Polymers,” M. Liphardt, A. Goonesekera, B. E. Jones, S. Ducharme, J. M. Takacs, L. Zhang, Science 263, 367-369 (1994). http://dx.doi.org/10.1126/science.263.5145.367
  • “Observation of the Photorefractive Effect in a Polymer,” S. Ducharme, R. W. Twieg, J. C. Scott, W. E. Moerner, Physics Review Letters 66, 1846-1849 (1991). http://dx.doi.org/10.1103/PhysRevLett.66.1846

Fundamentals of Ferroelectricity

  • “Materials Genome Approach to Organic Ferroelectrics and Piezoelectrics,” T. D. Usher, K. R. Cousins, D. C. Smith, R. Zhang, E. D. Zurek, S. Ducharme, S. J. Callori, D. P. Miller, and P. S. Costa, International Journal of Nanotechnology 15 (8/9/10), 784-791 (2018). http://dx.doi.org/10.1504/IJNT.2018.098449
  • “Finite-size scaling of flexoelectricity in Langmuir-Blodgett polymer thin films,” Shashi Poddar, Keith Foreman, Shireen Adenwalla, Stephen Ducharme, Applied Physics Letters 108, 012908 (5) (2016). http://dx.doi.org/10.1063/1.4939687