Professional Affiliations:
Professional Activities:
Standards:
IEC-TS 62607-6-4, Graphene - Surface conductance measurement using resonant cavity (2016).
IPC TM 650, Method 2.5.7.2 "Dielectric withstanding voltage, HiPot Method - Thin dielecetric layers for printed circuit boards , PCBs, (2009).
IPC-2316, Design guide for embedded passive device printed boards (2007)
IPC-4821, Specification for embedded passive device capacitive materials (2006).
IPC TM650, Method 2.5.5.10, High frequency testing to determine permittivity and loss tangent of embedded passive dielectric materials (2005).
IPC-6018A, Microwave end product board inspection and test (2002).
Selected Publications
"Dielectric Characterization of Confined Water in Chiral Cellulose Nanocrystal Films", Bharath Natarajan, Caglar Dogu Emiroglu, Jan Obrzut, Douglas M. Fox, Beatriz A. Pazmino, Jack F. Douglas, Jeffrey W. Gilman, ACS Applied Materials and Interfaces, (2017) 9,14222-14231.
"Surface conductance of graphene from non-contact resonant cavity", Jan Obrzut, Caglar Emiroglu, Oleg Kirillov, Yanfei Yang , Randolph E. Elmquist, Measurement, (2016) 87, 146-151.
"Surface conductance and microwave scattering in semicontinuous gold films", J. Obrzut, ACTA IMEKO (2015) 4(3) 42-46.
“Dielectric Characterization by Microwave Cavity Perturbation Corrected for Nonuniform Fields”, Nathan D. Orloff, Jan Obrzut, Christian J. Long, Thomas Lam, Pavel Kabos, David R. Novotny, James C. Booth, and J. Alexander Liddle, IEEE Trans. Microwave Theory, Tech., (2014) 62, 2149-2158.
“Resonant Microwave Absorption in Thermally Deposited Au Nanoparticle Films Near Percolation Coverage”. Jan Obrzut, Jack F. Douglas, Oleg Kirillov, Fred Sharifi, and J. Alexander Liddle, Langmuir (2013) 29, 9010-9015.
“Graphene: A New Horizon for Modern Technology”, Jan Obrzut, MEMA Electroindustry, ppage 4, September 2011.
“Structural Stability of Transparent Conducting Films Assembled from Length Purified Single-Wall Carbon Nanotubes”, Harris JM, Iyer GRS, Simien DO, Fagan JA, Huh JY, Chung JY, Hudson SD, Obrzut J, Douglas JF, Stafford CM, Hobbie EK. JOURNAL OF PHYSICAL CHEMISTRY C, (2011) 115, 3973-3981.
Relaxation and antiplasticization measurements in trehalose-glycerol mixtures - A model formulation for protein preservation, Obrzut, J; Anopchenko, A; Douglas, JF, et al., J. Non. Cryst. Solids, (2010) 356, 777-781.
Electrical conductivity and relaxation in poly(3-hexylthiophene), Obrzut, J; Page, KA, Phys. Rev. B (2009) 80, 195211.
“Influence of nanotube length on the optical and conductivity properties of thin single-wall carbon nanotube networks”, Simien D, Fagan JA, Luo W, Douglas JF, Migler K, Obrzut J, ACS NANO, (2008) 2, 1879-1884.
Shear-induced conductor-insulator transition in melt-mixed polypropylene-carbon nanotube dispersions, Obrzut, J; Douglas, JF; Kharchenko, SB, et al. Phys. Rev. B (2007) 76, 195420.
2015 NIST Bronze Medal for Excellence in Federal Service.