Rosario Gerhardt - Publications

Affiliations: 
Georgia Institute of Technology, Atlanta, GA 
Area:
Materials Science Engineering, Inorganic Chemistry, Physical Chemistry

60 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2020 Rudzik TJ, Gerhardt RA. Effect of Spark Plasma Sintering Current and Voltage on the Microstructure and Electrical Properties of Borosilicate Glass–Indium Tin Oxide Composites Advanced Engineering Materials. 22: 1901431. DOI: 10.1002/adem.201901431  0.328
2015 Pruyn TL, Gerhardt RA. Detection of different interfaces in percolated networks of antimony tin oxide: Borosilicate glass composites by impedance spectroscopy Journal of the American Ceramic Society. 98: 154-162. DOI: 10.1111/jace.13269  0.416
2015 Jin Y, Xia N, Gerhardt RA. Dielectric nanocomposite with high dielectric permittivity and low dielectric loss 33rd Electrical Insulation Conference, Eic 2015. 442-445. DOI: 10.1109/ICACACT.2014.7223527  0.352
2014 Jin Y, Gerhardt RA. 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: 22264-71. PMID 25427537 DOI: 10.1021/am5061239  0.345
2014 Jin Y, Gerhardt RA. Percolation and electrical conductivity modeling of novel microstructured insulator-conductor nanocomposites fabricated from PMMA and ATO Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 1692. DOI: 10.1557/opl.2014.441  0.382
2014 Pruyn TL, Gerhardt RA. Percolation in borosilicate glass matrix composites containing antimony-doped tin oxide segregated networks. Part II: Examination of electrical behavior using impedance spectroscopy Journal of the American Ceramic Society. 97: 2082-2090. DOI: 10.1111/jace.12902  0.365
2014 Sullivan EM, Oh YJ, Gerhardt RA, Wang B, Kalaitzidou K. Understanding the effect of polymer crystallinity on the electrical conductivity of exfoliated graphite nanoplatelet/polylactic acid composite films Journal of Polymer Research. 21. DOI: 10.1007/S10965-014-0563-8  0.323
2014 Pruyn TL, Gerhardt RA. Fabrication and characterization of conductive glass composites with networks of silicon carbide whiskers Ceramic Transactions. 249: 27-36.  0.361
2013 Pruyn TL, Gerhardt RA. Fabrication of conductive glass nanocomposites with networks of antimony tin oxide Materials Research Society Symposium Proceedings. 1552: 65-70. DOI: 10.1557/opl.2013.712  0.415
2013 Brandt JR, Gerhardt RA. Assessment of homogeneity of extruded alumina-SiC composite rods used in microwave heating applications by impedance spectroscopy Materials Research Society Symposium Proceedings. 1538: 323-328. DOI: 10.1557/opl.2013.657  0.441
2013 Wilson SJ, Gerhardt RA. Comparison of the Electrical Properties of PS-PMMA-MWNT Composites Made by Three Different Fabrication Methods Mrs Proceedings. 1453. DOI: 10.1557/OPL.2013.1115  0.361
2013 Pruyn TL, Gerhardt RA. Percolation in borosilicate glass matrix composites containing antimony-doped tin oxide segregated networks. Part i: Fabrication of segregated networks Journal of the American Ceramic Society. 96: 3544-3551. DOI: 10.1111/jace.12534  0.374
2013 Karevan M, Eshraghi S, Gerhardt R, Das S, Kalaitzidou K. Effect of processing method on the properties of multifunctional exfoliated graphite nanoplatelets/polyamide 12 composites Carbon. 64: 122-131. DOI: 10.1016/J.Carbon.2013.07.043  0.456
2012 Bertram BD, Gerhardt RA, Schultz JW. 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. DOI: 10.1063/1.4729119  0.698
2012 Sharma H, Sethi K, Raj PM, Gerhardt RA, Tummala R. Mechanistic interaction study of thin oxide dielectric with conducting organic electrode Materials Chemistry and Physics. 134: 508-513. DOI: 10.1016/J.Matchemphys.2012.03.024  0.339
2011 Bertram BD, Gerhardt RA, Schultz JW. Extruded and pressureless-sintered Al 2O 3-SiC w composite rods: Fabrication, structure, electrical behavior, and elastic modulus Journal of the American Ceramic Society. 94: 4391-4398. DOI: 10.1111/J.1551-2916.2011.04745.X  0.713
2011 Bertram BD, Gerhardt RA. Effects of frequency, percolation, and axisymmetric microstructure on the electrical response of hot-pressed alumina-silicon carbide whisker composites Journal of the American Ceramic Society. 94: 1125-1132. DOI: 10.1111/J.1551-2916.2010.04156.X  0.708
2011 Pruyn T, Gerhardt RA. Characterization of ceramic powders during compaction using electrical measurements Ceramic Engineering and Science Proceedings. 32: 199-209.  0.371
2010 Whelchel RL, Kelekanjeri VSKG, Gerhardt RA, Ilavsky J, Littrell KC. Correlating small angle scattering spectra to electrical resistivity changes in a nickel-base superalloy Materials Research Society Symposium Proceedings. 1262: 145-150. DOI: 10.1557/Proc-1262-W10-05  0.324
2010 Mason C, Gerhardt RA. Fabrication of transparent, conductive phase-segregated ITO/PC composites Materials Research Society Symposium Proceedings. 1257: 35-40. DOI: 10.1557/Proc-1257-O03-50  0.444
2009 Bertram BD, Gerhardt RA. Room temperature properties of electrical contacts to alumina composites containing silicon carbide whiskers Journal of Applied Physics. 105. DOI: 10.1063/1.3086279  0.697
2008 Capozzi CJ, Li Z, Samuels RJ, Gerhardt RA. Impedance spectroscopy and optical characterization of polymethyl methacrylate/indium tin oxide nanocomposites with three-dimensional Voronoi microstructures Journal of Applied Physics. 104. DOI: 10.1063/1.3032512  0.318
2008 Capozzi CJ, Gerhardt RA. Correlation of the ac electrical conductivity and the microstructure of PMMA/ITO nanocomposites that possess phase-segregated microstructures Journal of Physical Chemistry C. 112: 19372-19382. DOI: 10.1021/jp808595q  0.388
2008 Rao RB, Gerhardt RA, Veeraiah N. Spectroscopic characterization, conductivity and relaxation anomalies in the Li2O-MgO-B2O3 glass system: Effect of nickel ions Journal of Physics and Chemistry of Solids. 69: 2813-2826. DOI: 10.1016/j.jpcs.2008.06.145  0.307
2007 Raj PM, Balaraman D, Govind V, Abothu IR, Wan L, Gerhardt R, Swaminathan M, Tummala R. Processing and dielectric properties of nanocomposite thin film "supercapacitors" for high-frequency embedded decoupling Ieee Transactions On Components and Packaging Technologies. 30: 569-578. DOI: 10.1109/Tcapt.2007.901736  0.483
2006 Xu J, Florkowski W, Gerhardt R, Moon KS, Wong CP. Shear modulated percolation in carbon nanotube composites. The Journal of Physical Chemistry. B. 110: 12289-92. PMID 16800550 DOI: 10.1021/Jp061090I  0.406
2006 Mebane DS, Gerhardt RA. Interpreting impedance response of silicon carbide whisker/alumina composites through microstructural simulation Journal of the American Ceramic Society. 89: 538-543. DOI: 10.1111/J.1551-2916.2005.00710.X  0.385
2006 Mebane DS, Gokhale AM, Gerhardt RA. Trivariate, stereological length-radius-orientation unfolding derived and applied to alumina-silicon carbide whisker composites Journal of the American Ceramic Society. 89: 620-626. DOI: 10.1111/J.1551-2916.2005.00709.X  0.312
2006 Gupta S, Ou R, Gerhardt RA. Effect of the fabrication method on the electrical properties of poly(acrylonitrile-co-butadiene-co-styrene)/carbon black composites Journal of Electronic Materials. 35: 224-229. DOI: 10.1007/Bf02692439  0.341
2006 Gupta S, Runqing OU, Gerhardt RA. Effect of the fabrication method on the electrical properties of poly(acrylonitrile-co-butadiene-co-styrene)/carbon black composites Journal of Electronic Materials. 35: 224-229.  0.341
2006 Capozzi CJ, Gerhardt RA. Effect of processing on the microstructure and electrical conductivity of hot pressed PMMA/ITO bulk nanocomposites Materials Research Society Symposium Proceedings. 977: 41-43.  0.333
2005 Mebane DS, Gerhardt RA. The effect of connectivity on the impedance response of Al 2O 3-SiC w ceramic matrix composites Tms Annual Meeting. 157-163.  0.361
2004 Gerhardt RA, Runyan J, Sana C, McLachlan DS, Ruh R. Electrical Properties of Boron Nitride Matrix Composites: III, Observations near the Percolation Threshold in BN-B4C Composites Journal of the American Ceramic Society. 84: 2335-2342. DOI: 10.1111/J.1151-2916.2001.TB01011.X  0.369
2004 Gerhardt RA, Ruh R. Volume Fraction and Whisker Orientation Dependence of the Electrical Properties of SiC-Whisker-Reinforced Mullite Composites Journal of the American Ceramic Society. 84: 2328-2334. DOI: 10.1111/J.1151-2916.2001.TB01010.X  0.399
2004 Runyan J, Gerhardt RA, Ruh R. Electrical Properties of Boron Nitride Matrix Composites: II, Dielectric Relaxations in Boron Nitride-Silicon Carbide Composites Journal of the American Ceramic Society. 84: 1497-1503. DOI: 10.1111/J.1151-2916.2001.TB00867.X  0.386
2004 Runyan J, Gerhardt RA, Ruh R. Electrical Properties of Boron Nitride Matrix Composites: I, Analysis of McLachlan Equation and Modeling of the Conductivity of Boron Nitride-Boron Carbide and Boron Nitride-Silicon Carbide Composites Journal of the American Ceramic Society. 84: 1490-1496. DOI: 10.1111/J.1151-2916.2001.TB00866.X  0.374
2004 Raj PM, Balaraman D, Govind V, Wan L, Abothu R, Gerhardt R, Bhattacharya S, Swaminathan M, Tummala R. High frequency characteristics of nanocomposite thin film "Supercapacitors" and their suitability for embedded decoupling Proceedings of 6th Electronics Packaging Technology Conference, Eptc 2004. 154-161.  0.383
2003 Ou R, Gerhardt RA, Marrett C, Moulart A, Colton JS. Assessment of percolation and homogeneity in ABS/carbon black composites by electrical measurements Composites Part B: Engineering. 34: 607-614. DOI: 10.1016/S1359-8368(03)00085-4  0.38
2000 Mustapha Z, Chan S, Lam A, Gerhardt R. Accuracy of energy dispersive x-ray composition analysis of YBCO films on yttrium-containing substrates as compared to Rutherford backscattering spectroscopy Journal of Materials Science. 35: 443-448. DOI: 10.1023/A:1004723519096  0.325
1999 Kerch HM, Long GG, Krueger S, Allen AJ, Gerhardt R, Cosandey F. Characterization of Porosity Over Many Length Scales: Application to Colloidal Gels Journal of Materials Research. 14: 1444-1454. DOI: 10.1557/Jmr.1999.0195  0.327
1997 Kolcan JR, Gerhardt R, Ruh R, McLachlan DS. Dielectric Spectroscopy of Insulator/Conductor Composites Mrs Proceedings. 500: 341. DOI: 10.1557/Proc-500-341  0.485
1997 Dong M, Gerhardt RA. Complex Dielectric Spectroscopy Characterization of a Li0.982Ta1.004O3 Ferroelectric Single Crystal Mrs Proceedings. 500. DOI: 10.1557/PROC-500-195  0.334
1997 Kokan JL, Gerhardt R, Su C. Dielectric Spectroscopy Study of ZnSe Grown by Physical Vapor Transport Mrs Proceedings. 487. DOI: 10.1557/Proc-487-517  0.387
1996 Duchow K, Gerhardt R. Dielectric characterization of wood and wood infiltrated with ceramic precursors Materials Science and Engineering: C. 4: 125-131. DOI: 10.1016/0928-4931(95)00129-8  0.316
1995 Meyers KS, Zhang G, Gerhardt RA. Dielectric Properties Dependence on Residual Sodium and Potassium Content in Silica Xerogels Mrs Proceedings. 411. DOI: 10.1557/PROC-411-217  0.321
1994 Kerch HM, Burdette HE, Gerhardt R, Krueger S, Allen AJ, Long GG. In-Situ Microstructure Characterization of Sintering of Controlled Porosity Materials Mrs Proceedings. 346. DOI: 10.1557/Proc-346-177  0.313
1994 Gerhardt R. Impedance and dielectric spectroscopy revisited: Distinguishing localized relaxation from long-range conductivity Journal of Physics and Chemistry of Solids. 55: 1491-1506. DOI: 10.1016/0022-3697(94)90575-4  0.483
1990 Cao W, Gerhardt R, Wachtman JB. Effect of Sodium Ions on the Dielectric Conductivity of Porous Silica in Humid Environments Mrs Proceedings. 195. DOI: 10.1557/Proc-195-471  0.315
1990 Cao W, Gerhardt R. Calculation of various relaxation times and conductivity for a single dielectric relaxation process Solid State Ionics. 42: 213-221. DOI: 10.1016/0167-2738(90)90010-O  0.393
1989 Hayri EA, Greenblatt M, Ramanujachary KV, Nagano M, Oliver J, Miceli MJ, Gerhardt R. Magnetic, electrical, and microstructural properties of YBa2 Cu3 O7: A comparison of sol-gel, co-precipitated, and solid state processing routes Journal of Materials Research. 4: 1099-1102. DOI: 10.1557/Jmr.1989.1099  0.327
1989 Bhattacharja S, D'Orazio F, Tarczon JC, Halperin WP, Gerhardt R. Internal Structure of Porous Silica: A Model System for Characterization by Nuclear Magnetic Resonance Journal of the American Ceramic Society. 72: 2126-2130. DOI: 10.1111/J.1151-2916.1989.Tb06043.X  0.359
1989 Hayri EA, Greenblatt M, Bruna P, Gerhardt R. Na2OP2O5SiO2 gels: Preparation and characterization Journal of Non-Crystalline Solids. 111: 167-172. DOI: 10.1016/0022-3093(89)90277-9  0.362
1988 Ramanujachary KV, Collins BT, Greenblatt M, Gerhardt R, Rietman EA. Dielectric investigation of the sliding charge-density wave in Tl 0.3 MoO 3 Physical Review B. 38: 7243-7249. PMID 9945446 DOI: 10.1103/Physrevb.38.7243  0.438
1988 Gerhardt R. As Review Of Conventional And Non-Conventional Pore Characterization Techniques Mrs Proceedings. 137: 75. DOI: 10.1557/Proc-137-75  0.32
1988 Cao W, Gerhardt R, Wachtman JB. Preparation and Sintering of Colloidal Silica‐Potassium Silicate Gels Journal of the American Ceramic Society. 71: 1108-1113. DOI: 10.1111/J.1151-2916.1988.Tb05800.X  0.303
1987 Gerhardt R. Composites for Electronic Substrate Applications Mrs Proceedings. 108. DOI: 10.1557/Proc-108-101  0.396
1987 Gerhardt R, Lee WK, Nowick AS. Anelastic and dielectric relaxation of scandia-doped ceria Journal of Physics and Chemistry of Solids. 48: 563-569. DOI: 10.1016/0022-3697(87)90053-9  0.328
1986 Gerhardt R, Nowick AS, Mochel ME, Dumler I. Grain‐Boundary Effect in Ceria Doped with Trivalent Cations: II, Microstructure and Microanalysis Journal of the American Ceramic Society. 69: 647-651. DOI: 10.1111/J.1151-2916.1986.Tb07465.X  0.307
1986 Gerhardt R, Nowick AS. Grain‐Boundary Effect in Ceria Doped with Trivalent Cations: I, Electrical Measurements Journal of the American Ceramic Society. 69: 641-646. DOI: 10.1111/J.1151-2916.1986.Tb07464.X  0.357
1986 Gerhardt R, Nowick AS, Mochel ME, Dumler I. Grain-Boundary Effect in Ceria Doped with Trivalent Cations. Part 1. Electrical Measurements. Part 2. Microstructure and Microanalysis. Cheminform. 17. DOI: 10.1002/Chin.198648018  0.315
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