2014
216. Y. H. Jin and R. A. Rosario, “Prediction of the Percolation Threshold and Electrical Conductivity of Self-Assembled Antimony-Doped Tin Oxide Nanoparticles into Ordered Structures in PMMA/ATO Nanocomposites,” ACS Applied Materials & Interfaces 6[24], 22264-22271(2014). Published online December 5, 2014 (DOI: 10.1021/am5061239).
215. R. L. Muhlbauer, T.L. Pruyn, W.T. Puckett, and R. A. Gerhardt, “Effect of Graphitic Filler Size and Shape on the Microstructure, Electrical Percolation Behavior and Thermal Properties of Nanostructured Multilayered Carbon Films Deposited onto Paper Substrates,” J. Mat. Res 29[3], 472-484(2014). Published online December 5, 2013 (http://dx.doi.org/10.1557/jmr.2013.343).
214. E. M. Sullivan, Y. J. Oh, R. A. Gerhardt, B. Wang, K. Kalaitzidou, “Understanding the Effect of Polymer Crystallinity on the Electrical Conductivity of Exfoliated Graphite Nanoplatelet/Polyactic Acid Composite Films,” Journal of Polymer Research 21[10], 563(2014). Published online 02 September 2014 (DOI: 10.1007/s10965-014-0563-8).
213. R. L. Muhlbauer and R. A. Gerhardt, “Quantification of the Network Structure and Relationship to Surface Electrical Properties of Multiwalled Carbon Nanotube Thin Films Deposited on Paper Substrates, J. Mat. Sc., submitted.
212. T.L. Pruyn and R.A. Gerhardt, “Percolation in Borosilicate glass matrix composites containing Antimony-doped Tin Oxide segregated networks Part II: Examination of Percolation behavior via Impedance Spectroscopy,” J.Am.Ceram.Soc., accepted (2014). Published online 1 April 2014 (DOI: 10.1111/jace.12902).
211. C. G. Carson, G. Brunnello, S. G. Lee, S. S. Jang, R. A. Gerhardt, R. Tannenbaum, “Structure Solution from Powder Diffraction of Copper 1,4-Benzenedicarboxylate,” European Journal of Inorganic Chemistry, 2014[12], 2140-2145(2014). Published online 13 March 2014 (DOI: 10.1002/ejic.201301543).
210. L. H. Huang, P. Jiang, D. Wang, Y. F. Luo, M. F. Li, H. Lee, R. A. Gerhardt, “A Novel Paper-Based Flexible Ammonia Gas Sensor via Silver and SWNT-PABS Inkjet Printing,” Sensors and Actuators B-Chemical, 197, 308-313(2014). Published online March 6, 2014 (DOI: 10.1016/j.snb.2014.02.081).
209. R.L. Whelchel, R.A. Gerhardt and K.C. Littrell, “In-situ Small Angle Neutron Scattering and Ex-Situ Electrical Resistivity to Non-Destructively Monitor Aging of a Nickel Base Superalloy,” Materials Evaluation, 72[10], 1297-1304(2014).
2013
208. M. Karevan, S. Eshraghi, S. Das, R.A. Gerhardt and K. Kalaitzidou, “Effect of processing method on the properties of multifunctional exfoliated graphite nanoplatelets/polyamide 12 composites,” Carbon, accepted (2013). Published online 20 July 2013. (DOI: 10.1016/j.carbon.2013.07.043)
207. T.L. Pruyn and R.A. Gerhardt, “Percolation in Borosilicate glass matrix composites containing Antimony-doped Tin Oxide segregated networks. Part I: Fabrication of Segregated Networks,” J.Am.Ceram.Soc., accepted (2013). (DOI: 10.1111/jace.12534)
206. R.L. Muhlbauer, S.M. Joshi and R.A. Gerhardt, “The Effect of Substrate Pore Size on the Network Interconnectivity and Electrical Properties of Dropcasted Multiwalled Carbon Nanotube Thin Films,” J. Mat.Res 28[12],1617-1624 (2013). Published online 7 Jun. 2013. (DOI: 10.1557/jmr.2013.143)
205. Salil M. Joshi and Rosario A. Gerhardt, “Effect of annealing atmosphere (Ar vs. air) and temperature on the electrical and optical properties of spin-coated colloidal indium tin oxide films,” J. Mat. Sc., 48 [3], 1465 (2013). (doi: 10.1007/s10853-012-6900-6)
204. I.N. Ivanov, M.P. Garrett and R.A. Gerhardt, “Carbon Nanotube Assemblies for Transparent Conducting Electrodes,” Invited chapter for a book entitled Nanostructure Science and Technology. Springer Publications, 117-148 (2013) (DOI: 10.1007/978-1-4614-5016-0_4)
203. R.A. Gerhardt, “Impedance and Dielectric Spectroscopy of Nanoparticulate Films and Composites,” Nanotech 2013 Conference Proceedings, Paper 1433.
202. A. U. Halim and R. A. Gerhardt, “Thin Films Made from Colloidal Antimony Tin Oxide Nanoparticles for Transparent Conductive Applications,” Materials Research Society Symposium Proceedings, Spring 2013 (DOI: 10.1557/opl.2013.861)
201. T.L. Pruyn and R. A. Gerhardt, “Fabrication of Conductive Glass Nanocomposites with Networks of Antimony Tin Oxide,” Materials Research Society Symposium Proceedings, Spring 2013 (DOI: 10.1557/opl.2013.712)
200. R. L. Muhlbauerand R. A. Gerhardt, “Determining In-plane and Thru-plane Percolation Thresholds for Carbon Nanotube Thin Films Deposited on Paper Substrates Using Impedance Spectroscopy,” Materials Research Society Symposium Proceedings, Spring 2013 (DOI: 10.1557/opl.2013.1032)
199. S. M. Joshi and R.A. Gerhardt, “The effect of reactive ion etching parameters on the electrical properties and the removal of residual organics in spin-coated colloidal ITO films,” Materials Research Society Symposium Proceedings, Spring 2013 (DOI: 10.1557/opl.2013.736)
198. R. J. Gussenhoven and R. A. Gerhardt, “Fabrication and Characterization of Antimony Tin Oxide Nanoparticle Networks Inside Polystyrene,” Materials Research Society Symposium Proceedings, Spring 2013 (DOI: 10.1557/opl.2013.711)
197. J.R. Brandt and R.A. Gerhardt ,“Assessment of Homogeneity of Extruded Alumina-SiC Composite Rods Used in Microwave Heating Applications by Impedance Spectroscopy,” Materials Research Society Symposium Proceedings, Spring 2013 (.DOI: 10.1557/opl.2013.657) (DOI: 10.1557/opl.2013.657)
196. Matthew M. Marchese and Rosario A. Gerhardt, “Conductivity of Graphene-Like Thin Films Prepared from Chemically Exfoliated Carbon Nanotubes (CNTs), Highly Oriented Pyrolytic Graphite (HOPG), Natural Flake Graphite, and Carbon Powder,” MRS Proceedings, 1451, pp 125-130. (DOI: 10.1557/opl.2012.1494).
2012
195. B.D. Bertram, R.A. Gerhardt and J.W. Schultz, “Impedance response and modeling of composites containing aligned semiconductor whiskers: Effects of dc-bias partitioning and percolated-cluster length, topology, and filler interfaces,” Journal of Applied Physics 111 (12), 4913-4927(2012). Published online 27 Jun. 2012. (DOI: 10.1063/1.4729119)
194. Himani Sharma, Kanika Sethi, P. Markondeya. Raj, R. A. Gerhardt, Rao Tummala, “Mechanistic Interaction Study of Thin Oxide Dielectric with Conducting Organic Electrode,” Materials Chemistry and Physics 134 [1], 508-513(2012). Published online 28 Mar. 2012.(DOI: 10.1016/j.matchemphys.2012.03.024).
193. Cantwell G. Carson, Jason Ward, Xiao Tao Liu, Justin Schwartz, Rosario A. Gerhardt, and Rina Tannenbaum, “Dopant-controlled crystallization in metal-organic frameworks: The role of Copper(II) in Zinc 1,4–Benzenedicarboxylate,” J. Physical Chemistry C 116 (29), pp 15322–15328 (2012). Published online 26 Jun. 2012. (DOI: 10.1021/jp2117032)
192. R.L. Whelchel, R.A. Gerhardt and K.C. Littrell, “Modeling the Electrical Response of Waspaloy due to the Nucleation, Growth, and Coarsening of g’,” Materials Science Forum Vols. 706-709, 2406-2411(2012). Published online Jan. 2012. (DOI: 10.4028/www.scientific.net/MSF.706-709.2406)
191. M. Schlea, C. Meree, R.A. Gerhardt, E. Mintz, and M.L. Shofner, “Network Behavior of Thermosetting Polyimide/Multiwalled Carbon Nanotube Composites,” Polymer 53,1020-1027(2012). Published online 5 Jan. 2012. (DOI: 10.1016/j.polymer.2011.12.050).
190. Surajit Kumar and Rosario A. Gerhardt, “Role of Geometric Parameters in Electrical Measurements of Insulating Thin Films Deposited on a Conductive Substrate,” Measurement Science and Technology 23,035602 (17pp) (2012). (DOI: 10.1088/0957-0233/23/3/035602)
189. Chunqing Peng, Yonathan S. Thio and Rosario A. Gerhardt, “Effect of Precursor-Layer Surface Charge on the Layer-by-Layer Assembly of Polyelectrolyte/Nanoparticle Multilayers,” Langmuir 28, 84–91(2012). Published online 16 Nov. 2012. (DOI: 10.1021/la203626x).
188. Salil Joshi, Gregory W. Book and Rosario A. Gerhardt, “A Comparative Study of the Effect of Annealing and Plasma Treatments on the Microstructure and Properties of Colloidal Indium Tin Oxide Films and Cold-Sputtered Indium Tin Oxide Films”, Thin Solid Films 520, 2723-2730(2012). Published online 26 Nov. 2011. (DOI: 10.1016/j.tsf.2011.11.052)
187. R.L. Muhlbauer and R.A. Gerhardt, “A Review on the Synthesis of Carbon Nanotube Thin Films,” Invited chapter for a book entitled Carbon Nanotubes: Synthesis, Properties and Applications, Nova Science Publishers, 107-156 (2012)( ISBN: 978-1-62081-914-2)
186. Samual J. Wilson and Rosario A. Gerhardt, “Comparison of the Electrical Properties of PS-PMMA-MWNT Composites Made by Three Different Fabrication Methods,” Materials Research Society Symposium Proceedings, Spring 2012 (http://dx.doi.org/10.1557/opl.2013.1115)
2011
185. Chunqing Peng, Yonathan S. Thio and Rosario A. Gerhardt, “pH-Promoted Exponential Layer-By-Layer Assembly of Polyelectrolyte/Nanoparticle Multilayers,” Chemistry of Materials, 23[20],4548-4556(2011). Published online 22 Sept. 2011. (DOI: 10.1021/cm2019229)
184. B.D. Bertram, R.A. Gerhardt and J.W. Schultz, “Extruded and Pressureless-Sintered Al2O3-SiCw Composite Rods: Fabrication, Structure, Electrical Behavior, and Elastic Modulus,” J.Am.Ceram.Soc. 94[12], 4391-4398(2011). Published online 27 Jul 2011. (DOI: 10.1111/j.1551-2916.2011.04745.x)
183. Lianghui Huang, Kefu Chen, Chunqing Peng and Rosario A. Gerhardt, “Highly Conductive Paper Fabricated with Multiwalled Carbon Nanotubes and Poly (3,4-Ethylenedioxythiopene)-Poly (Styrenesulfonate) by unidirectional drying,” Journal of Materials Science 46[11], 6648-6655(2011). (DOI: 10.1007/s10853-011-5617-2)
182. B.D. Bertram and R.A. Gerhardt, “Effects of Frequency, Percolation, and Axisymmetric Microstructure on the Electrical Response of Hot-Pressed Alumina–Silicon Carbide Whisker Composites,” J. Am. Ceram. Soc. 94[4]1125-1132(2011). Published online 18 Oct 2010. (DOI: 10.1111/j.1551-2916.2010.04156.x)
181. R. L. Whelchel, V.S.K.G. Kelekanjeri, R.A. Gerhardt And J. Ilavsky, “Effect of Aging Treatment on the Microstructure and Resistivity of a Nickel-Base Superalloy,” Metallurgical Transactions A, 42[5], 1362-1373(2011). (DOI:10.1007/s11661-010-0483-0)
180. R.A. Gerhardt, editor, Properties and Applications of Silicon Carbide, In-Tech Publications, 536 pages (2011). (ISBN: 978-953-307-201-2)
179. B.D. Bertram And R.A. Gerhardt, “Properties and Applications of Ceramic Composites Containing Silicon Carbide Whiskers”, Invited chapter for a book entitled Properties And Applications Of Silicon Carbides” In-Tech Publications, pp. 197-230(2011). (DOI: 10.5772/14889)
178. Timothy Pruyn and Rosario A. Gerhardt , “Characterization of Ceramic Powders During Compaction Using Electrical Measurements,” Advances in Bioceramics and Porous Ceramics IV: Ceramic Engineering and Science Proceedings, Volume 32, Issue 6, 199-210(2011). Published online 16 Nov. 2011. (DOI: 10.1002/9781118095263.ch18)
2010
177. Lianghui Huang, Kefu Chen, Chunxiang Lin, Rendang Yang, Rosario A. Gerhardt, “Fabrication and Characterization of Superhydrophobic High Opacity Paper with Titanium Dioxide Nanoparticles,” J. Mat. Sc. 46[8], 2600-2605(2010). (DOI:10.1007/s10853-010-5112-1)
176. Matthew P. Garrett,Ilia N. Ivanov, Rosario A. Gerhardt, Alex A. Puretzky, And David B. Geohegan, “Separation of Junction and Bundle Resistance in Single Wall Carbon Nanotube Percolation Networks by Impedance Spectroscopy,” Appl.Phys.Lett. 97, 163105 (2010). Republished in Virtual Journal of Nanotechnology. Published online 18 Oct. 2010. (DOI: 10.1063/1.3490650)
175. C.Q. Peng, Y.S. Thio and R.A. Gerhardt, “Enhancing the Layer-By-Layer Assembly of Indium Tin Oxide Thin Films by Using Polyethyleneimine, J. Phys. Chem. C 114 [21], 9685–9692(2010). Published online 13 May 2010. (DOI: 10.1021/jp101722u)
174. Ricky L. Whelchel, Rosario A. Gerhardt and Ken Littrell, “Structure-Property Relationships In Waspaloy Via Small Angle Scattering and Electrical Resistivity Measurements,” Proc. 7th International Conference on Superalloys 718 and Derivatives (eds E.A. Ott, J.R. Groh, A. Banik, I. Dempster, T.P. Gabb, R. Helmink, X. Liu, A. Mitchell, G.P. Sjöberg and A. Wusatowska-Sarnek), John Wiley & Sons, Inc., Hoboken, NJ, USA(2010). Published online 17 Aug 2012. (DOI: 10.1002/9781118495223.ch65)
173. Ricky L. Whelchel, V.S.K.G. Kelekanjeri, Rosario A. Gerhardt, Jan Ilavsky and Ken C.Littrell, “Correlating Small Angle Scattering Spectra to Electrical Resistivity Changes in A Nickel-Base Superalloy,” Mat. Res.Symp.Proc. Volume 1268, Warrendale, PA. Paper Number W10-5, (2010). Book published and online. (DOI: 10.1557/PROC-1262-W10-05)
172. Salil Joshi, Gregory W. Book and Rosario A. Gerhardt. “Effect of Substrate Type on the Electrical and Optical Properties of Cold-Sputtered Indium Tin Oxide Films as a Function of Post-deposition Heat Treatment,” Mater. Res. Soc. Symp. Proc. Volume 1256E, Warrendale, PA. Paper Number N16-55, (2010). Online Proceedings Published (DOI: 10.1557/PROC-1256-N16-55)
171. Celeste Mason and Rosario A. Gerhardt, “Fabrication of Transparent, Conductive Phase-Segregated ITO/PC Composites,” Mater. Res. Soc. Symp. Proc. Volume 1257, Warrendale, PA. Paper Number O-3-50, (2010). Book Published and Online. (DOI: 10.1557/PROC-1257-O03-50)