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Publications in refereed journals:
The direct journal links will work for
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K. U. Gamagedara, D. Roy, “Mitigating Galvanic Corrosion of
Molybdenum Diffusion Barriers in Chemical Mechanical Planarization of Copper
Interconnects: A Case Study Using Imidazole in a Citrate Slurry of Neutral
pH”, Electrochem, 7 (1) 2026, 6.
C. M. Reff, K. U. Gamagedara, D. R. Santefort, D. Roy,
"Tribo-Electrochemical Characterization of Brush-Scrubbed Post-CMP
Cleaning: Results for Tartrate-Supported Removal of Residual Oxides from
Copper Films", Lubricants, 13 (7) 2025, 301.
K. U. Gamagedara, D. Roy,
"Tribo-Electrochemical Considerations for Assessing Galvanic Corrosion
Characteristics of Metals in Chemical Mechanical Planarization", Electrochem, 6 (2) (2025) 15.
D. R. Santefort, K. U. Gamagedara,
D. Roy, "Mechanism of Material Removal Examined for Chemical Mechanical
Planarization of Stainless-Steel Using Citrate Buffer as a Complexing
Agent", Materials 18 (2) (2025) 317.
K.U. Gamagedara, D. Roy, "Mechanisms of
Chemically Promoted Material Removal Examined for Molybdenum and Copper CMP
in Weakly Alkaline Citrate-Based Slurries" Materials 17 (19)(2024) 4905.
D.R. Santefort , D. Roy, "Electrochemistry of Copper post-CMP
Cleaning Examined inCcombination with
Brush-Scrubbing in a Malonic Acid Solution" Journal of
Electroanalytical Chemistry 953 (2024) 118016.
K. Gamagedara and D. Roy, "Experimental
Strategies for Studying Tribo-Electrochemical Aspects of Chemical–Mechanical
Planarization" Lubricants 12 (2) (2024).
S. Wei and D. Roy, "Galvanodynamic Probing
of Tribologically Assisted Material Removal under Chemical Control: A
Cobalt/Copper Case Study for Application in Chemical Mechanical
Planarization" Tribology International, 179 (2023) 108185.
A. P. Pitchiya, B. E. Slenker,
A. Sreeram, C. A. Johnson, T. Orimolade,
D. Roy, S. Krishnan, "Graphene-Enhanced Ion Transport in Dual-Conducting
Composite Films of Polyacetylene and an Imidazolium Iodide Ionic Liquid"
Langmuir 39 (2023) 6767.
C. A. Johnson, J. Liu, M. L. White and D. Roy,
"Tribo-Electrochemistry of Post-CMP Cleaning: Results for Co and Cu
Wafer Films Brushed in Different Solutions"
ECS Journal of Solid State Science and Technology,
10 (2021) 054005.
S. Wei, C. A. Johnson and D. Roy, “Probing the Mechanisms of Metal CMP Using
Tribo-Electroanalytical Measurements: Results for a Copper/Malonate System”
ECS Journal of Solid State Science and Technology,
10 (2021) 034001.
C. A. Johnson and D. Roy,
"In Situ Electrochemical Evaluation of Post-CMP Cleaning Reactions for
Cobalt and Copper Films under Brushing Conditions"*
ECS Journal of Solid State Science and Technology 8 (2019) P3163-P3174.
*Editor's
Choice feature article (Open Access) in JSS Focus Issue on CMP for Sub-10
nm Technologies.
D. E. Simpson, C. A. Johnson, and D. Roy,"Pulse
d Galvanostatic Electrodeposition of Copper on Cobalt Using a pH-Neutral
Plating Bath and Electroless Seeds"*
Journal of The Electrochemical Society 166 (2019) D3142-D3154.
*Appeared Open Access in:
JES Focus Issue on
Advances in Electrochemical Processes for
Interconnect Fabrication in Integrated Circuits.*
W. Zhang, S. Wei, Y. Wu, Y.-L. Wang, M. Zhang, D. Roy, H.Wang, J. Yuan, and Q. Zhao,
"Poly(Ionic Liquid)-Derived Graphitic Nanoporous
Carbon Membrane Enables Superior Supercapacitive
Energy Storage"
ACS Nano 13 (2019) 10261-10271.
M.C. Turk, C. A. Johnson and D. Roy,
"Electroanalytical Evaluation of Temperature Dependent Electrolyte
Functions for Lithium Ion Batteries: Investigation
of Selected Mixed Carbonate Solvents using a Lithium Titanate
Electrode",
Journal of Energy Storage 20 (2018) 395-408.
D. Roy,
"Electrochemical Assessment of Slurry Formulations for Chemical
Mechanical Planarization of Metals: Trends, Benefits and Challenges",
ECS Journal of Solid State Science and Technology
7 (2018) P209-P212.
Invited Perspective Article; *Open access*
C. A. Johnson, S. Wei and D. Roy,
"An Alkaline Slurry Design for Co-Cu CMP Systems Evaluated in the
Tribo-Electrochemical Approach",
ECS Journal of Solid State Science and Technology 7
(2018) P38-P49.
D. E. Simpson, K. E. Juda and D. Roy,
"Electroanalytical Assessment of the Function of Nickel in Alkaline
Electrocatalysis of Glycerol",
Electrocatalysis 9 (2018) 86-101.
A full-text view-only free version of this article is available from
this link.
M. C. Turk, M. J. Walters and D. Roy,
"Tribo-electrochemical investigation of a slurry composition to reduce
dissolution and galvanic corrosion during chemical mechanical planarization
of Cu-Ru interconnects",
Materials Chemistry and Physics 201 (2017) 271-288.
M. C. Turk, M. J. Walters and D. Roy,
"Experimental considerations for using electrochemical impedance spectroscopy
to study chemical mechanical planarization systems",
Electrochimica Acta 224 (2017)
355-368.
Y. Wang, M. C. Turk, M. Sankarasubramanian, A. Srivatsa,
D. Roy, S. Krishnan,
"Thermophysical and transport properties of blends of an
ether-derivatized imidazolium ionic liquid and a Li+ based solvate ionic
liquid",
Journal of Materials Science 52 (2017) 3719-3740.
S. E. Rock, D. E. Simpson, M. C. Turk, J. T. Rijssenbeek,
G. D. Zappi and D. Roy,
"Nucleation Controlled Mechanism of Cathode Discharge in a Ni/NiCl2 Molten Salt Half-Cell Battery",
Journal of The Electrochemical Society163 (2016) A2282-A2292.
M. C. Turk, X. Shi, D. A. J. Gonyer and D. Roy,
"Chemical and Mechanical Aspects of a Co-Cu Planarization Scheme Based
on an Alkaline Slurry Formulation",
ECS Journal of Solid State Science and Technology
5 (2016) P88-P99.
A. Sreeram, S. Krishnan, S. J. DeLuca, A. Abidnejad, M. C. Turk, D. Roy, E. Honarvarfard
and P. G. J. Goulet,
"Simultaneous Electronic and Ionic Conduction in Ionic Liquid Imbibed
Polyacetylene-Like Conjugated Polymer Films",
RSC Advances 5 (2015) 88425-88435.
X. Shi, D. E. Simpson and D. Roy,
"Tribo-Electrochemical Characterization of Ru, Ta and Cu CMP Systems
Using Percarbonate Based Solutions",
ECS Journal of Solid State Science and Technology 4 (2015) P5058-P5067
*Appeared Open Access in:
JSS Focus Issue on
Chemical Mechanical Planarization:
Advanced Material and Consumable Challenges.*
X. Shi, D. E. Simpson and D. Roy,
"The role of chemisorbed hydroxyl species in alkaline electrocatalysis
of glycerol on gold",
Physical Chemistry Chemical Physics 17 (2015) 11432-11444.
J.E. Garland, D.J. Crain and D. Roy,
"Utilization of electrochemical impedance spectroscopy for experimental
characterization of the diode features of charge recombination in a dye
sensitized solar cell",
Electrochimica Acta 148 (2014)
62-72.
L.Wu, R. I. Venkatanarayananan,
X. Shi, D. Roy and S. Krishnan,
" Glass Transition, Viscosity, and Conductivity Correlations in
Solutions of Lithium Salts in PEGylated Imidazolium Ionic Liquids",
Journal of Molecular Liquids 198 (2014) 398-408.
X. Shi, D. E. Simpson, M. J. Walters, C. M. Pettit and D. Roy,
"Electrocatalysis of Hypophosphite on Nickel Investigated Using Time
Resolved Fourier Transform Electrochemical Impedance Spectroscopy",
Journal of The Electrochemical Society 161 (2014) H583-H592.
S.E. Rock, X. Shi, J.E. Garland and D. Roy,
"Experimental Considerations for Temperature Controlled Measurements of
Fast Charge Recombination Times in Dye Sensitized Solar Cells using Open
Circuit Voltage Decay and Impedance Spectroscopy", Measurement 53
(2014) 71-82.
M. C. Turk, D. E. Simpson and D. Roy,
"Examination of Salicylaldehyde as a Surface Modifier of Manganese for
Application in Chemical Mechanical Planarization",
ECS Journal of Solid State Science and Technology
2 (2013) P498-P505.
D.J. Crain, S.E. Rock, J.E. Garland and D. Roy,
"Comparison of D.C. and A.C. Electro-analytical Methods for Measuring
Diode Ideality Factors and Series Resistances of Silicon Solar Cells",
Current Applied Physics 13 (2013)
2087-2097.
D.J. Crain, J.P. Zheng and D. Roy,
"Electrochemical Examination of Core-Shell Mediated Li+ Transport in Li4Ti5O12 Anodes of Lithium Ion
Batteries",
Solid State Ionics 240 (2013) 10-18.
S. E. Rock, L. Wu, D. J. Crain, S. Krishnan and D. Roy,
"Interfacial Characteristics of a PEGylated Imidazolium Bistriflamide Ionic Liquid Electrolyte at a Lithium Ion Battery Cathode of LiMn2O4",
ACS Applied Materials and Interfaces 5 (2013) 2075-2084.
M. C. Turk, S. E. Rock, H. P. Amanapu, L. G. Teugels and D. Roy,
"Investigation of Percarbonate Based Slurry Chemistry for Controlling
Galvanic Corrosion during CMP of Ruthenium",
ECS Journal of Solid State Science and Technology 2 (2013) P205-P213.
X. Shi, S.E. Rock, M.C. Turk and D. Roy,
"Minimizing the effects of galvanic corrosion during chemical mechanical
planarization of aluminum in moderately acidic slurry solutions",
Materials Chemistry and Physics 136 (2012) 1027-1037.
J. L. Lebga-Nebane, S. E. Rock, J. Franclemont, D. Roy and S. Krishnan,
"Thermophysical Properties and Proton Transport Mechanisms of Trialkylammonium and 1-Alkyl-1H-imidazol-3-ium Protic
Ionic Liquids",
Ind. Eng. Chem. Res. 51 (2012) 14084-14098.
C.M. Sulyma, C. M. Pettit, J. E. Garland and D.
Roy,
"Surface plasmon resonance as a probe of interactions between a
thin-film gold electrode and an aqueous supporting electrolyte containing
1-Ethyl-3-methylimidazolium ethyl sulfate ionic liquid",
Surface and Interface Analysis 44 (2012) 801-810.
D. J. Crain, J. P. Zheng, C.M. Sulyma, C. Goia, D. Goia and D. Roy,
"Electrochemical features of ball-milled lithium manganate spinel for
rapid-charge cathodes of lithium ion
batteries", Journal of Solid State Electrochemistry 16
(2012) 2605-2615.
S.E. Rock, D.J. Crain, C.M. Pettit and D. Roy
"Surface-complex films of guanidine on tantalum nitride
electrochemically characterized for applications in chemical mechanical
planarization",
Thin Solid Films 520 (2012) 2892-2900.
D. J. Crain, J. E. Garland, S. E. Rock and D. Roy
"Quantitative characterization of silicon solar cells in the
electro-analytical approach: Combined measurements of temperature and voltage
dependent electrical parameters",
Analytical Methods 4 (2012) 106-117.
Included in the
journal's themed issue on "Future
Electroanalytical Developments"
J.E. Garland, D.J. Crain and D. Roy,
"Impedance spectroscopy coupled with voltammetry for quantitative
evaluation of temperature and voltage dependent parameters of a silicon solar
cell",
Solar Energy 85 (2011) 2912-2923.
L. V. N. R. Ganapatibhotla, L. Wu, J. P Zheng,
X. Jia, D. Roy, J. B. McLaughlin and S. Krishnan,
"Ionic liquids with fluorinated block-oligomer tails: Influence of
self-assembly on transport properties",
Journal of Materials Chemistry, 21 (2011) 19275-19285.
J.P. Zheng, D.J. Crain and D. Roy,
"Kinetic aspects of Li intercalation in mechano-chemically processed
cathode materials for lithium ion batteries:
Electrochemical characterization of ball-milled LiMn2O4",
Solid State Ionics 196 (2011) 48-58.
S.E. Rock, D.J. Crain, J.P. Zheng, C.M. Pettit, D. Roy,
"Electrochemical investigation of the surface-modifying roles of
guanidine carbonate in chemical mechanical planarization of tantalum",
Materials Chemistry and Physics 129 (2011) 1159-
1170.
J. E. Garland, D. J. Crain, J. P. Zheng, C. M. Sulyma
and D. Roy,
"Electro-analytical characterization of photovoltaic cells by combining
voltammetry and impedance spectroscopy: voltage dependent parameters of a
silicon solar cell under controlled illumination and temperature",
Energy and Environtal Sci., 4 (2011) 485-498.
J. P. Zheng, S. S. Moganty, P. C. Goonetilleke, R. E. Baltus, and
D. Roy, "
A Comparative Study of the Electrochemical Characteristics of [Emim+][BF4-] and [Bmim+][BF4-]
Ionic Liquids at the Surfaces of Carbon Nanotube and Glassy Carbon
Electrodes",
Journal of Physical Chemistry C, 115 (2011) 7527–75372.
C. M. Sulyma, C. M. Pettit, C. V. V. S. Surisetty, S. V. Babu and D. Roy,
"Electrochemical investigation of the roles of oxyanions in
chemical–mechanical planarization of tantalum and tantalum nitride",
Journal of Applied Electrochemistry, 41 (2011) 561–576.
B. C. Peethala, D. Roy, and S. V. Babu,
"Controlling the Galvanic Corrosion of Copper during Chemical Mechanical
Planarization of Ruthenium Barrier Films",
Electrochemical and Solid-State Lett., 14 (2011) H306-H310.
L. V. N. R. Ganapatibhotla, J.P. Zheng, D. Roy
and S. Krishnan,
“PEGylated Imidazolium Ionic Liquid Electrolytes: Thermophysical and
Electrochemical Properties”,
Chemistry of Materials 22, (2010) 6347–6360.
C. M. Sulyma and D. Roy,
"Voltammetric current oscillations due to
general and pitting corrosion of tantalum: Implications for
electrochemical-mechanical planarization",
Corrosion Science 52 (2010) 3086-3098.
J.P. Zheng, P.C. Goonetilleke, C.M. Pettit and
D. Roy,
"Probing the electrochemical double layer of an ionic liquid using
voltammetry and impedance spectroscopy: A comparative study of carbon
nanotube and glassy carbon electrodes in [EMIM]+[EtSO4]-" ,
Talanta 81 (2010) 1045-1055.
C. M. Sulyma and D. Roy,
"Electrochemical characterization of surface complexes formed on Cu and
Ta in succinic acid based solutions used for
chemical mechanical planarization",
Applied Surface Science 256 (2010) 2583-2595.
S.V.S.B. Janjam, B.C. Peethala,
J.P. Zheng, S.V. Babu and D. Roy,
"Electrochemical investigation of surface reactions for chemically
promoted chemical mechanical polishing of TaN in
tartaric acid solutions",
Materials Chemistry and Physics 123 (2010) 521-528.
C. V. V. S. Surisetty, B. C. Peethala,
D. Roy, and S. V. Babu,
"Utility of oxy-anions for selective low pressure polishing of Cu and Ta
in chemical mechanical planarization",
Electrochemical and Solid-State Letters 13 (2010) H244-H247.
S. V. S. B. Janjam, B. C. Peethala,
D. Roy and S. V. Babu,
"Chemical mechanical planarization of TaN
wafers using oxalic and tartaric acid based
slurries",
Electrochemical and Solid-State Letters 13 (2010) H1-H4.
S. S. Moganty, R. E. Baltus
and D. Roy,
"Electrochemical windows and impedance characteristics of [Bmim+][BF4- ] and
[Bdmim+][BF4- ] ionic liquids at the surfaces of
Au, Pt, Ta and glassy carbon electrodes",
Chemical Physics Letters 483 (2009)
90-94.
P. C. Goonetilleke, J. P. Zheng and D. Roy,
"Effects of Surface-Film Formation on the Electrochemical
Characteristics of LiMn2O4 Cathodes of Lithium Ion
Batteries",
Journal of The Electrochemical Society 156 (2009) A709-A719.
J.P. Zheng and D. Roy,
"Electrochemical examination of surface films formed during chemical
mechanical planarization of copper in acetic acid and dodecyl sulfate
solutions"
Thin Solid Films 517 (2009)
4587-4592.
J.P. Zheng, C.M. Pettit, P.C. Goonetilleke, G.M.
Zenger and D. Roy,
"D.C. Voltammetry of Ionic Liquid based Capacitors: Effects of faradaic
reactions, electrolyte resistance and voltage scan speed investigated using
an electrode of carbon nanotubes in EMIM-EtSO4",
Talanta 78 (2009) 1056-1062.
C.M. Sulyma, P.C. Goonetilleke
and D. Roy,
"Analysis of current transients for voltage pulse-modulated surface
processing: Application to anodic electro-dissolution of copper for
electrochemical mechanical planarization",
Journal of Materials Processing Technology 209 (2009) 1189-1198.
S. Pandija, D. Roy and S.V. Babu,
"Achievement of high planarization efficiency in CMP of copper at a
reduced down pressure",
Microelectronic Engineering 86 (2009) 367-373.
J. P. Zheng, B. K. Klug, and D. Roy,
"Electrochemical Investigation of Surface Reactions for Chemical
Mechanical Planarization of Tantalum in Oxalic Acid Solutions",
Journal of The Electrochemical Society 155 (2008) H341-H350.
P.C. Goonetilleke and D. Roy,
"Relative roles of acetic acid, dodecyl sulfate and benzotriazole in
chemical mechanical and electrochemical mechanical planarization of
copper",
Applied Surface Science 254 (2008)
2696-2707.
B. K. Klug, C. M. Pettit, S. Pandija, S. V. Babu
and D. Roy,
"Investigation of dissolution inhibitors for electrochemical mechanical
planarization of copper using beta-alanine as a complexing agent",
Journal of Applied Electrochemistry 38 (2008) 1347-1356.
C. V. V. S. Surisetty, P. C. Goonetilleke,
D. Roy, and S. V. Babu,
"Dissolution Inhibition in Cu-CMP Using Dodecyl-Benzene-Sulfonic Acid
Surfactant with Oxalic Acid and Glycine as Complexing Agents",
Journal of The Electrochemical Society 155 (2008) H971-H980.
S. V. S. B. Janjam, S. Peddeti,
D. Roy and S. V. Babu,
"Tartaric Acid as a Complexing Agent for Selective Removal of Tantalum
and Copper in CMP",
Electrochemical and Solid-State Letters 11 (2008) H327-H330.
S. V. S. B. Janjam, C. V. V. S. Surisetty, S. Pandija, D. Roy, and
S. V. Babu,
"Oxalic-Acid-Based Slurries with Tunable Selectivity for Copper and
Tantalum Removal in CMP", Electrochemical and Solid-State Letters
11 (2008) H66-H69.
C. M. Pettit and D. Roy,
"Surface Plasmon Resonance as a Time Resolved Probe of Structural
Changes in Molecular Films: Considerations for Correlating Resonance Shifts
with Adsorbate Layer Parameters",
The Analyst 132 (2007) 524-535.
P.C. Goonetilleke and D. Roy,
"Voltage pulse-modulated electrochemical removal of copper surface
layers using citric acid as a complexing agent",
Materials Letters 61 (2007) 380-383.
Y. Hong, V. K. Devarapalli, D. Roy, and S. V.
Babu,
"Synergistic Roles of Dodecyl Sulfate and Benzotriazole in Enhancing the
Efficiency of CMP of Copper",
Journal of the Electrochemical Society 154 (2007) H 444-H 453.
S. Pandija, D. Roy and S.V. Babu,
"Chemical mechanical planarization of copper using abrasive-free
solutions of oxalic acid and hydrogen peroxide",
Materials Chemistry and Physics 102 (2007) 144-151.
S. Ramakrishnan, S.V.S.B. Janjam, U.B. Patri, D.
Roy, and S.V. Babu,
"Comparison of dicarboxylic acids as complexing agents for abrasive-free
chemical mechanical planarization of copper", Microelectronic
Engineering 84 (2007) 80-86.
C.M. Pettit, P.C. Goonetilleke, C.M. Sulyma and D. Roy,
"Combining impedance spectroscopy with cyclic voltammetry: Measurement
and analysis of kinetic parameters for faradaic and nonfaradaic
reactions on thin-film gold",
Analytical Chemistry 78 (2006) 3723-3729.
C.M. Pettit, P.C. Goonetilleke and D. Roy,
"Measurement of differential capacitance for faradaic systems under
potentiodynamic conditions: Considerations of Fourier transform and
phase-selective techniques"
Journal of Electroanalytical Chemistry 589 (2006)
219-231
K.A. Assiongbon, S.B. Emery, V.R.K. Gorantla,
S.V. Babu and D. Roy,
"Electrochemical impedance characteristics of Ta/Cu contact regions in
polishing slurries used for chemical mechanical planarization of Ta and Cu:
considerations of galvanic corrosion",
Corrosion Science 48 (2006) 372-388
C.M. Pettit and D. Roy,
"Role of iodate ions in chemical mechanical and electrochemical mechanical
planarization of Ta investigated using time-resolved impedance spectroscopy",
Materials Letters 59 (2005) 3885-3889
K.A. Assiongbon and D. Roy,
"Electro-oxidation of methanol on gold in alkaline media: Adsorption
characteristics of reaction intermediates studied using time resolved
electro-chemical impedance and surface plasmon resonance techniques",
Surface Science 594 (2005) 99-119
P.C. Goonetilleke and D. Roy,
"Electrochemical-mechanical planarization of copper: Effects of chemical
additives on voltage controlled removal of surface
layers in electrolytes",
Materials Chemistry and Physics 94 (2005) 388-400.
S. B. Emery, J. L. Hubbley and D. Roy,
"Time resolved impedance spectroscopy as a probe of electrochemical
kinetics: The ferro/ferricyanide redox reaction in the presence of anion
adsorption on thin film gold", Electrochimica
Acta 50 (2005) 5659-5672.
S. B. Emery, J. L. Hubbley, M. A. Darling and D.
Roy,
"Chemical factors for chemical mechanical and electrochemical mechanical
planarization of silver examined using potentiodynamic and impedance
measurements"
Materials Chemistry and Physics, 89 (2005)
345-353.
Y. Hong, U. B. Patri, S. Ramakrishnan, D. Roy and S.V. Babu,
"Utility of dodecyl sulfate surfactants as dissolution inhibitors in
chemical mechanical planarization of copper", Journal of Materials
Research 20 (2005) 3413-3424.
D.C. Bradford, E. Hutter, J.H. Fendler and D. Roy,
"Surface-Enhanced Infrared Ellipsometry of Self-Assembled Undecanethiol and Dodecanethiol
Monolayers on Disordered Gold Nanoisland
Substrates",
Journal of Physical Chemistry B. 109 (2005), 20914-20922
P. C. Goonetilleke, S. V. Babu, and D. Roy
"Voltage-Induced Material Removal for Electrochemical Mechanical
Planarization of Copper in Electrolytes Containing NO3-,
Glycine, and H2O2",
Electrochemical and Solid-State Letters 8 (2005) G190-193.
Y. Hong, D. Roy and S. V. Babu,
"Ammonium Dodecyl Sulfate as a Potential Corrosion Inhibitor Surfactant
for Electrochemical Mechanical Planarization of Copper",
Electrochemical and Solid-State Letters 8 (2005) G297-G300.
V. R. K. Gorantla, K. A. Assiongbon, S. V. Babu,
D. Roy, "Citric acid as a complexing agent in chemical-mechanical
planarization of copper: Investigation of surface reactions using impedance
spectroscopy",
Journal of the Electrochemical Society 152
(2005) G404 - G410.
V. R. K. Gorantla, S. B. Emery, S. Pandija, S.V.
Babu and D. Roy,
"Chemical effects in chemical mechanical planarization of TaN: Investigation of surface reactions in a
peroxide-based alkaline slurry using Fourier transform impedance
spectroscopy",
Materials Letters 59 (2005) 690-693.
D. C. Bradford, E. Hutter, K.A. Assiongbon, J.H. Fendler and D.
Roy,
"Infrared Ellipsometry of Self-Assembled Octadecylmercaptan
on Gold Films and Nanoislands: Effects of Thickness
and Morphology of the Gold Layer",
Journal of Physical Chemistry B 108 (2004) 17523-17530.
J. Lu, J. E. Garland, C. M. Pettit, S. V. Babu, and D. Roy,
"Relative Roles of H2O2 and Glycine in CMP of Copper Studied
with Impedance Spectroscopy", Journal of The Electrochemical Society
151 (2004) G717-G722.
K. A. Assiongbon, S. B. Emery, C. M. Pettit, S.
V. Babu and D. Roy,
"Chemical Roles of Peroxide-Based Alkaline Slurries in Chemical.Mechanical Polishing of Ta: Investigation of
Surface Reactions Using Time-Resolved Impedance Spectroscopy",
Materials Chemistry and Physics 86 (2004) 347-357.
C. M. Pettit, J. E. Garland, M. J. Walters and D. Roy,
"Time Resolved Study of Electrode Reactions using Fourier Transform
Impedance Spectroscopy: Mutually Correlated Adsorption Kinetics of Cu2+ and ClO4-
on gold",
Electrochimica Acta 49 (2004) 3293-3304.
S.B. Emery, J.L. Hubbley, D. Roy,
"Voltammetric and Amperometric
Analyses of Electrochemical Nucleation: Electrodeposition of Copper on Nickel
and Tantalum",
Journal of Electroanalytical Chemistry 568C (2004) 121-133.
J. E. Garland , C. M. Pettit and D. Roy,
"Analysis of experimental constraints and variables for time resolved
detection of Fourier transform electrochemical impedance spectra",
Electrochimica Acta 49 (2004) 2623-2635.
D. Roy and J. H. Fendler,
"Reflection and Absorption Techniques for Optical Characterization of
Chemically Assembled Nanomaterials" (Review),
Advanced Materials 16 (2004) 479-508.
C. M. Pettit, K. A. Assiongbon, J. E. Garland
and D. Roy ,
"Time Resolved Detection of Electrochemical Effects by Surface Plasmon
Resonance Measurements: A Simple Technique Using a Large Area Single Cell
Photodiode",
Sensors and Actuators B 96 (2003) 105-113.
L.A. Luck, M.J. Moravan, J.E. Garland, B. Salopek-Sondi and D. Roy,
"Chemisorptions of Bacterial Receptors for
Hydrophobic Amino Acids and Sugars on Gold for Biosensor Applications: A
surface Plasmon Resonance Study of Genetically Engineered Proteins", Biosensors
and Bioelectronics 19 (2003) 249-259.
E. Hutter, K.A. Assiongbon,
J.H. Fendler and D. Roy,
"Fourier Transform Infrared Spectroscopy Using Polarization Modulation
and Polarization Selective Geometries: Investigation of Self-Assembled Octadecylmercaptan on a Thin Gold Film", Journal
of Physical Chemistry B 107 (2003) 7812-7819.
J. E. Garland, K. A. Assiongbon, C. M. Pettit
and D. Roy,
"Surface Plasmon Resonance Transients at an Electrochemical Interface:
Time Resolved Measurements Using a Bicell
Photodiode",
Analytica Chimica Acta 475 (2003) 47-58.
C. M. Pettit, J. E. Garland, N. R. Etukudo, K.
A. Assiongbon, S. B. Emery and D. Roy,
"Electrodeposition of Indium on Molybdenum Studied with Optical Second
Harmonic Generation and Electrochemical Impedance Spectroscopy",
Applied Surface Science 202 (2002) 33-46.
M.J. Walters, K.A. Assiongbon, D.R. Marr, B.T.
Shepardson and D. Roy,
"Enhancement of Electrocatalytic Hydrogen Evoluation
on Tantalum by Sub-Monolayer Electrodeposition of Silver",
International Journal of Hydrogen Energy 28 (2002) 275-285.
J.E. Garland, K. A. Assiongbon, C.M. Pettit,
S.B. Emery and D. Roy,
"Kinetic analysis of Electrosorption using
Fast Fourier Transform Electrochemical Impedance spectroscopy: Underpotential
Deposition of Bi3+ In The Presence of Coadsorbing ClO4- on Gold", Electrochimica Acta 47 (2002) 4113-4124.
C.M. Pettit, M.J. Walters and D. Roy,
"Effects of Excess Charge at an Electrochemically Controlled Gold
Surface Probed with Optical Second Harmonic Generation",
Laser Chemistry 20 (2002) 57-79.
S. Chah, J. Yi, C. M. Pettit, D. Roy, and J. H. Fendler,
"Ionization and Reprotonation of
Self-Assembled Mercaptopropionic Acid Monolayers Investigated by Surface
Plasmon Resonance Measurements",
Langmuir 18 (2002) 314-318.
D. Roy, "Optical Characterization of Multi-Layer Thin Films Using the
Surface Plasmon Resonance Method: A Six-Phase Model Based on the Kretschmann Formalism",
Optics Communications 200 (2001) 119-130.
E. Hutter, J. H. Fendler,
and D. Roy,
"Surface Plasmon Resonance Studies of Gold and Silver Nanoparticles
Linked to Gold and Silver Substrates by 2-Aminoethanethiol and
1,6-Hexanedithiol",
Journal of Physical Chemistry B 105 (2001) 11159-11168.
S. Chah, E. Hutter, D.
Roy, J. H.Fendler and J.
Yi,
"The Effect of Substrate Metal on 2-Aminoethanethiol and Nanoparticle
Enhanced Surface Plasmon Resonance Imaging",
Chemical Physics 272 (2001) 127-136.
D. Roy, "Surface Plasmom Resonance
Spectroscopy of Dielectric Coated Gold and Silver Films on Supporting Metal
Layers: Reflectivity Formulas in the Kretschmann
Formalism",
Applied Spectroscopy 55
(2001) 1046-1052.
E. Hutter, J. H. Fendler,
and D. Roy,
"Surface Plasmon Resonance Method for Probing Interactions in
Nanostructures: CdS Nanoparticles Linked to Au and
Ag Substrates by Self-Assembled Hexanedithiol and Aminoethanethiol Monolayers",
Journal of Applied Physics 90 (2001) 1977-1985.
J.E. Garland, C.M. Pettit, M.J. Walters and D. Roy,
"Analysis of Potentiostatic Current Transients
at Metal-Liquid Interfaces: Resolving the Effects of a Finite Step
Interval",
Surface and Interface Analysis 31 (2001) 492-503.
M.J. Walters, J.E. Garland, C.M. Pettit, D.S. Zimmerman, D.R. Marr and D.
Roy,
"Weak Adsorption of Anions on Gold: Measurement of Partial Charge
Transfer Using Fast Fourier Transform Electrochemical Impedance
Spectroscopy",
Journal of Electroanalytical Chemistry 499 (2001) 48-60.
Addition and corrections: 526 (2002) 142.
M. J. Walters, C. M. Pettit and D. Roy,
"Surface Kinetics of Eelectrodeposited Silver
on Gold Probed with Potential Step and Optical Second Harmonic Generation
Techniques",
Physical Chemistry Chemical Physics 3 (2001) 570-578.
E. Hutter, S. Cha, J-F. Liu, J. Park, J. Yi, J.
H. Fendler, and D. Roy,
"Role of Substrate Metal in Gold Nanoparticle Enhanced Surface
Plasmon Resonance Imaging", Journal of Physical Chemistry B 105
(2001) 8-12.
D. Roy, "Comment on Molecular Orientation by Second Harmonic
Generation: Self Assembled Monolayers",
Physical Review B 61 (2000) 13283-13286.
M.J. Walters, C.M Pettit, F.X. Bock, D.P. Biss
and D. Roy,
"Capacitance of a Metal-Liquid Interface During Anion Adsorption: Phase
Selective Measurements in the Presence of D.C. Voltage Sweep and Finite
Solution Resistance",
Surface and Interface Analysis 27 (1999) 1027-1036.
M.A. Lovell, M.J. Walters and D. Roy,
"Characterization of Electrodeposited Thin Film of Cadmium on Molybdenum
using Optical Second Harmonic Generation",
Physical Chemistry Chemical Physics 1 (1999) 1985-1993.
M. J. Walters and D. Roy, "Interference of Linear and Nonlinear
Optical Effects in Second Harmonic Generation from Metal-Liquid Interfaces'',
Applied Spectroscopy 52 (1998) 1554-1568.
M. A. Lovell and D. Roy,
"Effects of Sub-Surface Oxygen on Electrodeposition of Cadmium on
Copper'',
Electrochimica Acta 43 (1998) 2117-2130.
Addition and Correction 44 (1999) 2327.
M. A. Lovell, M. J. Walters and D. Roy,
"Surface Modification of Copper due to Co-Adsorbed Oxygen and Cadmium
Probed with Optical Second Harmonic Generation",
Electrochimica Acta 43 (1998) 2101-2110.
M. A. Lovell and D. Roy, "Optical Second Harmonic Generation from a
Catalytically Active Molybdenum Electrode'',
Applied Surface Science 135 (1998) 46-52.
G. Nagy and D. Roy, "Optical Second Harmonic Generation as a Probe of
Selective Dissolution of Brass'',
Langmuir 11 (1995) 3457-3466.
Addition and Correction, 12 (1996) 1696.
G. Nagy and D. Roy, "Surface Charge Dependence of Second Harmonic
Generation from Brass'', Langmuir 11 (1995) 711-715.
D. Roy, "DC Field Induced Optical Second Harmonic Generation from
Metal-Electrolyte Interfaces'', Electrochimica
Acta 39 (1994) 2699-2703.
Addition and Correction 40 (1995) 2557.
R. Gao and D. Roy, "Effects of Diffusion Limited Mass Transfer on
Metal Underpotential Deposition Voltammograms'',
Journal of Applied Electrochemistry 24 (1994) 1276-1278.
G. Nagy and D. Roy, "Optical Characterization of a Partially
Ag-Coated Ni Electrode with Second Harmonic Generation'',
Journal of Physical Chemistry 98 (1994) 6592-6600.
G. Nagy and D. Roy, "Second Harmonic Generation from a Charged Ni
Electrode with and without Anion Adsorption'',
Surface Science 320 (1994) 7-16.
G. Nagy and D. Roy, "Surface Charge Dependence of Second Harmonic
Generation from a Ni Electrode'',
Chemical Physics Letters 214
(1993) 197-202.
G. Nagy and D. Roy, "Oxidation of Cu in Halide Electrolytes Studied
with Optical Second Harmonic Generation'',
Langmuir 9 (1993) 1868-1877.
R. Gao, T. D. Hewitt and D. Roy, "Stark Shift of an Interband Transition in Cu Determined by Surface Charge
Measurements'',
Journal of Physics and Chemistry of Solids 54 (1993) 685-690.
T. D. Hewitt R. Gao and D. Roy,
"Effects of Surface Charge on the Second Harmonic Generation from a Cu
Electrode'',
Surface Science 291
(1993) 233-241.
T. D. Hewitt and D. Roy, "Optical
Second Harmonic Generation as a Probe of Hydrogen Evolution on Copper'', Chemical
Physics Letters 181 (1991) 407-412.
D. Roy and A. C. Albrecht, "Thin-Sheet Photoconductivity in Liquids : Mobility Measurements Under the Influence of
Space Charge'',
Journal of Physical Chemistry 93 (1989) 2475-2485.
D. Roy and T. E. Furtak, "Aspects of the Adsorption
of Chloride on Silver Revealed through Surface Enhanced Raman Scattering'',
Journal of Electroanalytical
Chemistry 228 (1987) 229-250.
D. Roy and T. E. Furtak, "The Origin of the
Potential Dependence of the Surface Enhanced Raman Scattering of Chloride on
Silver'',
Chemical Physics Letters 129 (1986) 501-504.
D. Roy and T. E. Furtak, "Vibrational Characteristics of Silver
Clusters in Surface Enhanced Raman Scattering'',
Physical Review B 34 (1986) 5111-5117.
D. Roy and T. E. Furtak, "Evidence for Ag
Cluster Vibrations in Enhanced Raman Scattering from the Ag/Electrolyte
Interface'',
Chemical Physics Letters 124 (1986) 299-303.
T. E. Furtak and D. Roy, "The Short
Range Mechanism of Surface Enhanced Raman Scattering'',
Surface Science 158 (1985) 126-146.
D. Roy and T. E. Furtak, "Characterization of
Surface Complexes in Enhanced Raman Scattering'', Journal of
Chemical Physics 81 (1984) 4168-4175.
T. E. Furtak and D. Roy,
"Nature of the Active Site in Surface Enhanced Raman
Scattering'',
Physical Review Letters 50 (1983) 1301-1304.
Books:
Laboratory Manual for Physics I, PH 131, D. Roy, John Wiley &
Sons, New York (2000) ISBN 0-471-40741-0. Third Edition (2008): ISBN
978-0470-41038-7.
Laboratory Manual for Physics II, PH 132, D. Roy, John Wiley &
Sons, New York (2000). ISBN 0-471-40742-9. Third Edition (2008): ISBN
978-0470-41038-7.
Laboratory Manual for Physics for Life Sciences I, PH 141, D. Roy,
John Wiley & Sons, New York (2008). ISBN 978-0-470-41035-6.
Laboratory Manual for Physics for Life Sciences II, PH 142, D. Roy,
John Wiley & Sons, New York (2008). ISBN .
978-0-470-41036-3
Other Publications:
Modern Physics (PH 232) Laboratory Manual, D. Roy, Clarkson
University (1996, 1998, 2000).
Experimental Physics (PH 327 & PH 328) Laboratory Manual, D.
Roy, Clarkson University (1998).
h-index: 32
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