Publications

 

2013

71.   S. Acharya, J. Alvarado, D. Banerjee, W. Billups, G. Chen, B. Cola, W. Cross, E. Duke, S. Graham, H. He, H. Hong, S. Jin, S. Karna, C. Li, C.H. Li, J. Li, G. P. Peterson, J. A. Puszynski, J. Routbort, J. Shan, D. Shin, A. Smimova, P. Smith, X. Wang, A. Waynick, R. White, X. Yan, W. Yu, “Report on Carbon Nano Material Workshop: Challenges and Opportunities,” Nanoscale and Microscale Thermophysical Engineering, vol 17, pp. 10-24, 2013.

72.  S. Choi, E. Heller, D. Dorsey, R. Ventury, S. Graham, ”The Impact of Bias Conditions on Self-Heating In AlGaN/GaN HEMTs,” IEEE Transactions on Electron Devices, vol. 60, pp. 159-162, 2013.

73.   S. Choi, E. Heller, D. Dorsey, R. Ventury, S. Graham, “Analysis of the Residual Stress Distribution in AlGaN/GaN HEMTs,” Journal of Applied Physics, in-press, 2013.

74.   S. Natarajan, Y. Habtemichael, S. Graham, “A Comparative Study of Thermal Metrology Techniques for Ultraviolet Light Emitting Diodes,” Journal of Heat Transfer, in-press, 2013.

75.   A. Bulusu, H. Kim, D. Samet, S. Graham, “Improving the Stability of Atomic Layer Deposited Alumina Films in Aqueous Environments With Metal Oxide Capping Layers,” Journal of Physics D,  vol. 46, pp. 084014, 2013.

76.   A. Bulusu, S. Paniagua, B. MacLeod, A. Sigdel, J. Berry, D. Olson, S. Marder, S. Graham, “Efficient Modification of Metal Oxide Surfaces with Phosphonic Acids By Spray Coating,” Langmuir, in-press, 2013.

77.   Y. Kim, A. Bulusu, A. Giordano, S. Marder, R. Dauskardt, S. Graham, “An Experimental Study of Interfacial Fracture Toughness in a SiNx/PMMA Barrier Film,” ACS Applied Materials and Interfaces, vol. 4, pp. 6711-6719, 2012.

78.   J. Taphouse, T. Bougher, V. Singh, P. P. Abadi, S. Graham, B. Cola, “Carbon Nanotube Thermal Interfaces Enhanced With Sprayed on Nanoscale Polymer Coatings, “ Nanotechnology, vol. 24, pp. 105401 (8 pages), 2013.

79.   J. J. Nugyen, T. L. Bougher, P. P. Abadi, S. Graham, and B. A. Cola, “Post-Growth Microwave Treatment to Align Carbon Nanotubes,” Journal of Micro and Nano-Manufacturing, in press.

80. S. Choi, E. Heller, D. Dorsey, S. Graham, “Thermometry of GaN Microelectronics Using Multispectral Raman Features,” IEEE Transactions on Electron Devices, in-press, 2013.

81.   P. P. Abadi, S. Huchens, J. Greer, B. Cola, S. Graham, “ Buckling-Driven Delamination of Carbon Nanotube Forests,” Applied Physics Letters, vol. 102, pp. 223103, 2013.

82.   E. Heller, S. Choi, D. Dorsey, S. Graham, “Electrical and Structural Dependence of Operating Temperature of AlGaN/GaN HEMTs,” Microelectronics Reliability, in-press, 2013.

83.   H. Sojoudi and S. Graham, “Synthesis of Wafer-Scale and Patterned Graphene Films on Dielectric Substrates Using Trace Carbon Sources,” ECS Journal of Solid State Science and Technology, in-press.

84.  N. Kim and S. Graham, “Development of Highly Flexible and Ultra-Low Permeation Rate Thin-Film Barrier Structure for Organic Electronics,” Thin Solid Films, vol. 547, pp. 57-62, 2013.

85.   S. Natarajan and S. Graham, “Measuring the Thermal Resistance in Light Emitting Diodes Using a Transient Thermal Analysis Technique,” IEEE Transactions on Electron Devices, vol. 60, pp. 2548 – 2555, 2013.

86.   S. Choi, E. Heller, D. Dorsey, R. Vetury, S. Graham, “The Impact of Mechanical Stress on the Degradation of AlGaN/Gan High Electron Mobility Transistors,” Journal of Applied Physics, vol. 114, pp. 164501, 2013.

87.  F. N. Donmezer and S. Graham, “A Multiscale Thermal Modeling Approach For Ballistic and Diffusive Heat Transport in Two Dimensional Domains,” International Journal of Thermal Science, in press, 2013.

88.  D. K. Hwang, C. Fuentes-Hernandez, M. Fenoll, M. Yun, J. Park, J. W. Shim, K. Knauer, A. Dindar, H. Kim, Y. Kim, J. Kim, H. Cheun, S. Graham. S. Im, J. E. Anthony, B. Kippelen, “Systematic Reliability Study on Top Gate p- and n-channel Organic Field Effect Transistors,” Advanced Functional Materials, in-press, 2013.

89.  H. Yamaguchi, J. Granstrom, W. Nie, H. Sojoudi, T. Fujita, D. Voiry, M. Chen, G. Gupta, A. Mohite, S. Graham, M. Chhowalla, “Reduced Graphene Oxide Thin Films as Ultrabarriers for Organic Electronics,” Advanced Energy Materials, in-press, 2013.

90.  P. P. S. Abadi, M. R. Maschmann, J. W. Baur, S. Graham, B. Cola, “The Deformation Response of Conformally-Coated Carbon Nanotube Forests,” Nanotechnology, vol. 24, pp. 475707, 2013.

2012

55.   B. Pant, S. Choi, E.K. Baumert, B.L. Allen, S. Graham, K. Gall, O.N. Pierron, “MEMS-Based Nanomechanics: Influence of MEMS Design on Test Temperature,” Experimental Mechanics vol. 52, pp. 60-617, 2012.

56.   Y. Kim, H. Kim, S. Graham, A. Dyer, J. Reynolds, “Durable Polyisobutylene Edge Sealants for Organic Electronics and Electrochemical Devices,” Solar Energy Materials and Solar Cells, vol. 100, pp. 120-125, 2012.

57.  P.P. Abadi, S. Hutchens, J. R. Greer, B. A. Cola, S. Graham, “Effects of Morphology on the Micro-Compression Response of Carbon Nanotube Forests,” Nanoscale, vol. 4, pp. 3373-3380, 2012.

58.  S. Pathak, E. J. Lim, P.P. Abadi, S. Graham, B.A. Cola, J. R. Greer, “Higher Recovery and Better Energy Dissipation at Faster Strain Rates in Carbon Nanotube Bundles: An in-situ Study,” ACS Nano, vol. 6, pp. 2189-2197, 2012.

59.   M. Ha and S. Graham, “Development of a Thermal Resistance Model for Chip-on-Board Packaging of High Power LED Arrays,” Microelectronics Reliability, vol. 52, pp. 836-844, 2012.

60.  N. Kim, W. J. Potscavage, A. Sunaramoothi, C. Henderson, B. Kippelen, S. Graham, “A Correlation Study Between Barrier Film Performance and Shelf-Lifetime of Encapsulated Organic Solar Cells,” Solar Energy Materials and Solar Cells, vol. 101, pp. 140-146, 2012.

61.  O. Hildreth, B. A. Cola, S. Graham, C.P. Wong, “Conformally Coating Vertically Aligned Carbon Nanotube Arrays Using Thermal Decomposition of Iron Pentacarbonyl,” Journal of Vacuum Science and Technology B, vol. 30, pp. 03D101, 2012.

62.   Y. Zhou, C. Fuentes-Hernandez, J. Shim, J. Meyer, A. Giordano, H. Li, P. Winget, T. Papadopoulos, H. Cheun, J. Kim, M. Fenoll, A. Dindar, W. Haske, E. Najafabadi, T. Khan, H. Sojoudi, S. Barlow, S. Graham, J.-L. Bredas, S. Marder, A. Khan, B. Kippelen, “A Universal Method To Produce Low Work Function Electrodes For Organic Electronics,” Science, vol. 336, pp. 327-332, 2012.

63.   B. Park, S. Choi, S. Graham, E. Reichmanis, “Memory and Photovoltaic Elements in Organic Field Effect Transistors with Acceptor/Donor Planar-Hetero Junction Interfaces,” Journal of Phyiscal Chemistry C, vol. 116, pp. 9390-9397, 2012.

64.  H. Sojoudi, J. Baltazar  C. Henderson, S. Graham, “The Impact of Post-Growth Thermal Annealing and Environmental Exposure on the Unintentional Doping of CVD Graphene Films,” Journal of Vacuum Science and Technology B, vol. 30, pp. 041213, 2012.

65.  H. Sojoudi, J. Baltazar, L. Tolbert, C. Henderson, S. Graham, “Creating Graphene P-N Junctions Using Self-Assembled Monolayers,” ACS Applied Materials and Interfaces, vol. 4, pp. 4781-4786, 2012.

66.  J. Baltazar, H. Sojoudi, S. Paniagua, J. Kowalik, S. Marder, L. Tolbert, S. Graham, C. Henderson, “Facile Formation of Graphene P-N Junctions Using Self-Assembled Monolayers,” Journal of Physical Chemistry C, vol. 116, pp. 19095-19103, 2012.

67.   S. Pathak, N. Mohan, P. P. Abadi, S. Graham, B. A. Cola, J.R. Greer, “Compressive Response of Vertically Aligned Carbon Nanotube Films via In-Situ Flat Punch Indentations,” Journal of Materials Research, vol. 1, pp. 1-14, 2012.

68.   J. Wasniewski, D. Altman, S. Hodson, T. Fisher, A. Bulusu, S. Graham, B. Cola, “Characterization of Metallically Bonded Carbon Nanotube-Based Thermal Interface Materials Using a High Accuracy 1D Steady-State Technique,” Journal of Electronic Packaging, vol. 134, 2012

69.   P. P. Abadi, S. Hutchens, J. Greer, B. Cola, S. Graham, “Effects of Morphology on the Micro-Compression Response of Carbon Nanotube Forests,” Nanoscale, vol. 4, pp. 3373-3380, 2012.

70.   A. Mallow, O. Abdelaziz, K. Kalaitzidou, S. Graham, “Investigation of the Stability of Paraffin-Exfoliated Graphite Nanoplatelet Composites for Latent heat Thermal Storage Systems,” Journal of Materials Chemistry, vol. 22, pp. 24469-24476, 2012.

2011

49.   A. Venkatachalam, W. James, and S. Graham, “Electro-Thermal-Mechanical Modeling of GaN-based HFETs and MOSHFETs” Semiconductor Science and Technology, vol. 26, pp. 085027-1 – 085027-2, 2011.

50.   S. Sridharan, A. Christensen, A. Venkatachalam, S. Graham, P.D. Yoder, “Temperature- and Doping-Dependent Anisotropic Stationary Electron Velocity in Wurtzite GaN,” IEEE Electron Device Letters, vol. 32, pp. 1522-1524, 2011.

51.   F. N. Donmezer, W. James, S. Graham, “The Thermal Response of Gallium Nitride HFET Devices Grown on Silicon and SiC Substrates,” ECS Transactions, vol. 41, pp. 13-30, 2011.

52.   S. Kumar, B. Cola, R. Jackson, S. Graham, “A Review of Carbon Nanotube Ensembles as Flexible Electronics and Packaging Materials,” Journal of Electronic Packaging, vol. 133, pp. 020906-1 – 020906-12, 2011.

53.   P. D. Yoder, S. Sridharan, S. Graham, S. Shen, J. Ryou, R. Dupuis, “Traveling Dipole Domains in AlGaN/GaN Heterostructures and the Direct Generation of Millimeter-Wave Oscillations,” Physica Status Solidi C, vol. 8, pp. 2285-2287, 2011.

54.   B. Park, Y. J. Kim, S. Graham, E. Reichmanis, “Change in Electronic States in the Accumulation Layer at Interfaces in a Poly(3-hexylthiophene) Field-Effect Transistor and the Impact of Encapsulation,” ACS Applied Materials and Interfaces, vol. 3, pp. 3545-3551, 2011.

2010

45.   A. Christensen and S. Graham, “Multiscale Lattice Boltzmann Modeling of Phonon Transport in Crystalline Semiconductor Materials,” Numerical Heat Transfer Part B, vol. 57, pp. 89-109, 2010.

46.  R. Jackson, A. Munro, K. Nebesny, N. Armstrong, S. Graham, “Evaluation of Transparent Carbon Nanotube Networks of Homogeneous Electronic Type”, ACS Nano, vol. 4, pp. 1377-1384, 2010.

47.  A. Greenstein, Y. Hudiono, S. Graham, S. Nair, “Effects of Non-Framework Metal Cations and Phonon Scattering Mechanisms on the Thermal Transport Properties of Polycrystalline Zeolite LTA Films,” Journal of Applied Physics, vol. 107, pp. 063518-1 – 063518-8, 2010.

48.   R. Cross, B. Cola, T. Fisher, X. Xu, K. Gall, S. Graham, “A Metallization and Bonding Approach to High Performance Carbon Nanotube Thermal Interface Materials,” Nanotechnology, vol. 21, pp. 445705-445712, 2010.

2009

39.  A. Christensen and S. Graham, “Thermal Effects in Packaging High Power Light Emitting Diode Arrays”, Applied Thermal Engineering, vol. 29, pp. 364-371, 2009.

40.   R. Jackson and S. Graham, “Specific Contact Resistance of Metal/Carbon Nanotube Interfaces,” Applied Physics Letters, vol. 94, pp. 012109, 2009.

41.    N. Kim, W. Postcavage, B. Domercq, B. Kippelen, S. Graham, “A Hybrid Encapsulation Method for Organic Photovoltaics” Applied Physics Letters, vol. 94, pp. 163308, 2009.

42.  A. Lasagni, R. Cross, S. Graham, S. Das, “The Fabrication of High Aspect Ratio Carbon Nanotube Arrays by Direct Laser Interference Patterning,” Nanotechnology, vol. 20, pp. 245305-24312, 2009.

44.  T. Beechem, A. Christensen, D. Green, S. Graham, “Assessment of Stress Contributions in GaN HEMTs of Differing Substrates Using Raman Spectroscopy,” Journal of Applied Physics, vol. 106, pp. 114509-114516, 2009.

2008

34.   P. Hopkins, P. Norris, R. Salaway, T. Beechem, and S. Graham, “Influence of Interfacial Mixing on Thermal Boundary Conductance Across a Chromium/Silicon Interface,” Journal of Heat Transfer, vol. 130, pp. 062402-1 – 062402-10, 2008.

35.    M. T. Eliason, E. Sunden, A. Cannon, S. Graham, A. J. García, W. King, “Polymer Cell Culture Substrates with Micropatterned Carbon Nanotubes,” Journal of Biomedical Materials Research Part A, vol. 86, pp. 996-1001, 2008.

36.   R. Jackson, B. Domercq, R. Jain, B. Kippelen, S. Graham, “Stability of Doped Transparent Carbon Nanotube Electrodes,” Advanced Functional Materials, v 18, pp. 2548-54, 2008.

37.  T. Beechem, A. Christensen, D. Green, S. Graham, “Micro-Raman Thermometry in the Presence of Complex Stresses of GaN,” Journal of Applied Physics, vol. 103, pp.124501-1 – 124501-8, 2008.

38.   T. Beechem and S. Graham, “Temperature and Doping Dependence of the Phonon Lifetimes and Decay Pathways in GaN,” Journal of Applied Physics, vol. 103, pp. 093507-1 – 093507-8, 2008.

2007

27.   M. Abel, T. Wright, E. Sunden, W. King, M. Lance, S. Graham, “Thermal Metrology of Silicon Microstructures using Raman Spectroscopy,” IEEE Transactions on Components and Packaging Technologies, vol. 30, pp. 200-208, 2007.

28.   M. Abel, S. Graham, J. Serrano, S. Kearney, L. Phinney, “Raman Thermometry of Polysilicon MEMS in the Presence of an Evolving Stress,” Journal of Heat Transfer, vol. 129, pp. 329 – 334, 2007.

29.   J. Lee, T. Wright, M. Abel, E. Sunden, A. Marchenkov, S. Graham, W. King, “Thermal Conduction From Microcantilever Heaters in Partial Vacuum,” Journal of Applied Physics, vol. 101, pp 014906-1 – 014906-6, 2007.

30.   T. Beechem, S. Graham, P. Hopkins, P. Norris, “The Role of Interface Disorder on Thermal Boundary Resistance Using A Virtual Crystal Approach,” Applied Physics Letters, vol. 90, pp. 054104, 2007.

31.  T. Beechem, S. Graham, S. Kearney, L. Phinney, J. Serrano, “Simultaneous Mapping of Temperature and Stress in Microdevices Utilizing Micro-Raman Spectroscopy,” Review of Scientific Instruments, vol. 78, pp. 061301-1 – 061301-9,  2007.

32.  Y. Hudiono, A. Greenstein, C. S. Kuete, B. Olson, S. Nair, S. Graham, “Effects of Composition and Phonon Scattering Mechanisms on Thermal Transport in MFI Zeolite Films,” Journal of Applied Physics, vol. 102, pp. 053523-1 – 053523-7, 2007.

33.    S. C. Hsu, B. J. Pong, W. H. Lee, C. Y. Liu, T. Beechem and S. Graham, “Stress Relaxation in GaN by Transfer Bonding on Si Substrates,” Applied Physics Letters, vol. 91, pp. 251114,  2007.

2006

18.    E. Sunden, T. Wright, J. Lee, W. King, S. Graham, “Room-Temperature Chemical Vapor Deposition and Mass Detection on a Heated Atomic Force Microscope Cantilever,” Applied Physics Letters, vol. 88, pp. 033107, 2006.

19.  A. Greenstein, Y. Hudiono, B. Olson, S. Nair, S. Graham, “Thermal Properties and Lattice Dynamics of Polycrystalline MFI Zeolite Films,” Nanoscale and Microscale Thermophysical Engineering, vol. 10, pp. 321- 331, 2006.

20.    T. Borca-Tasciuc, D. Borca-Tasciuc, S. Graham, S. Goods, J. Kelly, N. Yang, “Annealing Effects on Mechanical and Transport Properties of Ni and Ni-alloy Electrodeposits,” Journal of Microelectromechanical Systems, vol. 15, pp. 1051 – 1059, 2006.

21.    A. Allen, E. Sunden, A. Cannon, S. Graham, W. King, “Nanomaterial Transfer Using Hot Embossing For Flexible Electronic Devices,” Applied Physics Letters, 88, pp. 083112, 2006.

22.    J. Lee, T. Beechem, T. L. Wright, B. A. Nelson, S. Graham, and W. P. King, “Electrical, Thermal, and Mechanical Characterization of Silicon Microcantilever-Heaters,” Journal of Microelectricalmechanical Systems, vol. 15, pp. 1644- 1655, 2006.

23.    W.E. Fenwick, M. Strassburg , M.H. Kane, A. Asghar, S. Gupta, H. Kang, Z. Hu, S. Graham, U. Perera, N. Dietz, I. Ferguson, “Manganese-Induced Long-Range Lattice Disorder and Vacancy Formation in Metal-Organic Chemical Vapor Deposition Grown and Ion-Implanted Ga1-xMnxN,” Journal of Vacuum Science and Technology A, vol. 24, pp. 1640 – 1643, 2006.

24.    E. Sunden, C. P. Wong, W. King, S. Graham, “ Microwave Assisted Patterning of Vertically Aligned Carbon Nanotubes onto Polymer Substrates,”  Journal of Vacuum Science and Technology B, vol. 24 (4), pp.1947-1950, 2006.

25.    A. Cannon, A. Allen, S. Graham, W. King, “Molding Ceramic Microstructures on Flat and Curved Surfaces with and without Embedded Carbon Nanotubes,” Journal of Micromechanics and Microengineering, vol. 16, pp. 2554-2563, 2006.

26.    A. Allen, A. Cannon, J. Lee, W. King, S. Graham, “Flexible Microdevices Based on Carbon Nanotubes,” Journal of Micromechanics and Microengineering, vol. 16, pp. 2722-2729, 2006.

2005

15.    B. Olson, S. Graham, K. Chen, “A Practical Extension of the 3w Method to Multilayer Structures,” Review of Scientific Instruments, vol. 76, n 5, pp. 53901-1 – 53901-7,  2005.

16.    A. Christensen, S. Graham, A. Doolittle, “Heat Dissipation in High Power GaN Electronics on Thermally Resistive Substrates,” IEEE Electron Devices, vol. 52, pp. 1683-1688, 2005.

17.  N. Kim, B. Domercq, S. Yoo, A. Christensen, B. Kippelen, S. Graham, “Thermal Transport Properties of Thin Films of Small Molecule Organic Semiconductors,” Applied Physics Letters, vol. 87, pp. 241908, 2005.

2004

14.    S. Graham, J. Kelly, N. Yang, T. Borca-Tasciuc, “The Role of Microstructure in the Electrical and  Thermal Conductivity of Ni-Alloys for LIGA Microsystems,” Journal of Microsystems Technologies, vol. 10, n 6-7, pp. 510-516, 2004.

2003

10.   S. Graham, D.L. McDowell, E. Lara-Curzio, R.B. Dinwiddie, H. Wang, W. Porter, “Non-Destructive Characterization of Thermal Shock and Oxidation-Induced Damage by Flash Diffusivity,” Journal of Composite Materials, vol. 37, pp. 73-87, 2003.

11.    S. Graham and N. Yang, “Representative Volumes of Materials Based on Microstructural Statistics,” Scripta Materialia, vol. 48, pp. 269-274, 2003.

12.    C.C. Wong and S. Graham, “Investigating the Thermal Response of a Micro-Optical Shutter,” IEEE Transactions on Components and Packaging Technologies, vol. 26, pp. 324-331, 2003.

13.    S. Graham and D.L. McDowell, “Numerical Analysis of the Transverse Thermal Conductivity of Composites with Imperfect Interfaces,” ASME Journal of Heat Transfer, vol. 125, pp. 389-393, 2003.

2002

4.      H. Agarwal, A.M. Gokhale, S. Graham, M.F. Horstemeyer: “Rotations of Brittle Particles During Plastic Deformation of Ductile Alloys,” Materials Science and Engineering-A, vol. 328, pp. 310-316, 2002.

5.      H. Agarwal, A.M. Gokhale, S. Graham, M.F. Horstemeyer: “Void Growth in 6061 Aluminum Alloy Under Triaxial Stress State,” Materials Science and Engineering-A, vol. 341, n 1-2, Jan 20, pp. 35-42, 2002.

6.      H. Agarwal, A.M. Gokhale, S. Graham, M.F. Horstemeyer: “Quantitative Characterization of Three-Dimensional Damage Evolution in a Wrought Al-Alloy Under Tension and Compression,” Metallurgical and Materials Transactions A, vol. 33A, pp. 2599-2606, 2002.

7.      J. Clayton, B. Schroeter, S. Graham, D.L. McDowell, “Distributions of Mesoscale Stretch and Rotation in Polycrystalline OFHC Cu,” ASME Journal of Engineering Materials and Technology, vol.124, no.3, pp. 302-13, 2002.

8.      G.E. Youngblood, D.J. Senor, R.H. Jones, S. Graham, “The Transverse Thermal Conductivity of 2D-SiCf/SiC Composites,” Composites Science and Technology, vol. 62, pp. 1127-1139, 2002.

9.      S. Graham, C. Steinhaus, M. Clift, L. Klebanoff, “Radio-Frequency Discharge Cleaning of Silicon-Capped Mo/Si Multilayer Extreme Ultraviolet Optics,” Journal of Vacuum Science & Technology B, vol. 20, n 6, pp. 2393-2400, 2002.

2000

3.      D.J. Senor, G.E. Youngblood, R.H. Jones, S. Graham, “Transverse Thermal Conductivity of Planar SiC/SiC Composites,” Transactions of the American Nuclear Society, vol.83, pp. 189-90, 2000.

1999

2.      S. Graham and D.L. McDowell, “Multi-Dimensional Flash Diffusivity Measurements of Orthotropic Materials,” International Journal of Thermophysics, vol. 20, pp. 691-707, 1999.

1998

1.      G. Butler, S. Graham, D.L. McDowell, S. Stock, V. Ferney, “Application of the Taylor Polycrystal Plasticity Model to Complex Deformation Experiments,” ASME Journal of Engineering Materials and Technology, vol. 120, pp. 197-205, 1998.

George Woodruff School of Mechanical Engineering