Research Interests

Applications of nanomaterials and nanocomposites to cleantechnology, energy storage and power conversion. Capacitors and gate dielectrics. Nanomaterials synthesis, properties and structural characterization. Electronic devices from nanomaterials. Device performance and testing. Chemical deposition techniques and self-assembly. Printing and spin coated films. Two dimensional nanomaterials and electronics, graphene, boron nitride. Nanoparticle synthesis and self-assembly into superlattices. Transition metal oxide nanomaterials, high k dielectrics/memory materials. Titanates and garnets at the nanoscale, multi-ferroics, magneto-optical materials, photonic materials, metamaterials. Catalysis and nanomaterials, carbon nanotubes. Biological applications of nanoparticles/nanotubes.

 

Publications

  • S. Liu, A.R. Akbashev, X. Yang, X. Liu, W. Li, L. Zhao, X. Li, A. Couzis, M.-G. Han, Y. Zhu, L. Krusin-Elbaum, J. Li, L. Huang, S.J.L. Billinge, J.E. Spanier and S. O’Brien,, Hollandites as a new class of multiferroics, Nature Scientific Reports, 2014, , doi:10.1038/srep06203
  • L. Huang, S. Liu, B. van Tassel, X. Liu, A. Byro, H. Zhang, D.L. Akins, D.A. Steingart, J. Li, and S. O’Brien, Structure and Performance of Dielectric Films based on Self-Assembled High Dielectric Constant Nanocrystals, Nanotechnology, 2013, 24, 415602
  • X. Liu, S. Liu, M.-G. Han, L. Zhao, H. Deng, J. Li, Y. Zhu, L. Krusin-Elbaum, and S. O’Brien., Magnetoelectricity in CoFe2O4 Nanocrystal-P(VDF-HFP) Thin-Films, Nanoscale Research Letters, 2013, 8, 374
  • S. Liu, H. Zhang, L. Sviridov, L. Huang, X. Xiaohua Liu, J. Samson, D.L. Akins, J. Li and S. O’Brien, Comprehensive Dielectric Performance of Bismuth Acceptor Doped BaTiO3 Based Nanocrystal Thin Film Capacitors, Journal of Materials Chemistry, 2012, 22, 21862

 

Job History

  • 1998 - Current : Associate Professor, CCNY
  • 1998 - Current : Principal Investigator, CUNY Energy Institute
  • 1998 - Current : Chair, Nanotechnology and Materials, CUNY Graduate Center
  • 1998 - Current : Doctoral Faculty, Grove School of Engineering, CCNY
  • 1993 - 1998 : D. Phil, Oxford University, UK
steve obrien