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Shaun G. Ard
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Journal Articles

Dissociative electron attachment and Ar+ reaction with chromium hexacarbonyl, 296–400 K

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Thomas M. Miller, Virginia G. Rodriguez, Shaun G. Ard, Albert A. Viggiano, Nicholas S. Shuman
Journal: The Journal of Chemical Physics
J. Chem. Phys. 161, 126101 (2024)
https://doi.org/10.1063/5.0232322
Published: September 2024
View articletitled, Dissociative electron attachment and Ar+ reaction with chromium hexacarbonyl, 296–400 K
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Journal Articles

The associative ionization of N(2P) + O(3P)

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Nicholas S. Shuman, Thomas M. Miller, Shaun G. Ard, Albert A. Viggiano
Journal: The Journal of Chemical Physics
J. Chem. Phys. 160, 114309 (2024)
https://doi.org/10.1063/5.0188483
Published: March 2024
View articletitled, The associative ionization of N(2P) + O(3P)
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Includes: Supplementary data
Journal Articles

Electron and Ar+ interaction with Mo(CO)6 at thermal energies; energetic limit on removal of 5 ligands from Mo(CO)6+

Free
Thomas M. Miller, Tucker W. R. Lewis, Shaun G. Ard, Albert A. Viggiano, Nicholas S. Shuman
Journal: The Journal of Chemical Physics
J. Chem. Phys. 159, 044303 (2023)
https://doi.org/10.1063/5.0156596
Published: July 2023
View articletitled, Electron and Ar+ interaction with Mo(CO)6 at thermal energies; energetic limit on removal of 5 ligands from Mo(CO)6+
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Journal Articles

Near-thermo-neutral electron recombination of titanium oxide ions

Open Access
Naman Jain, Ábel Kálosi, Felix Nuesslein, Daniel Paul, Patrick Wilhelm, Shaun G. Ard, Manfred Grieser, Robert von Hahn, Michael C. Heaven, Evangelos Miliordos, Dominique Maffucci, Nicholas S. Shuman, Albert A. Viggiano, Andreas Wolf, Oldřich Novotný
Journal: The Journal of Chemical Physics
J. Chem. Phys. 158, 144305 (2023)
https://doi.org/10.1063/5.0146365
Published: April 2023
View articletitled, Near-thermo-neutral electron recombination of titanium oxide ions
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Includes: Supplementary data
Journal Articles

Determination of the SmO+ bond energy by threshold photodissociation of the cryogenically cooled ion

Editor’s PickAvailable to Purchase
Anton Lachowicz, Evan H. Perez, Nicholas S. Shuman, Shaun G. Ard, Albert A. Viggiano, P. B. Armentrout, Joshua J. Goings, Prachi Sharma, Xiaosong Li, Mark A. Johnson
Journal: The Journal of Chemical Physics
J. Chem. Phys. 155, 174303 (2021)
https://doi.org/10.1063/5.0068734
Published: November 2021
View articletitled, Determination of the SmO+ bond energy by threshold photodissociation of the cryogenically cooled ion
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Includes: Supplementary data
Journal Articles

Electronic structure of NdO via slow photoelectron velocity-map imaging spectroscopy of NdO ---

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Mark C. Babin, Martin DeWitt, Jessalyn A. DeVine, David C. McDonald, II, Shaun G. Ard, Nicholas S. Shuman, Albert A. Viggiano, Lan Cheng, Daniel M. Neumark
Journal: The Journal of Chemical Physics
J. Chem. Phys. 155, 114305 (2021)
https://doi.org/10.1063/5.0063307
Published: September 2021
View articletitled, Electronic structure of NdO via slow photoelectron velocity-map imaging spectroscopy of NdO ---
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Journal Articles

Thermal rate constants for electron attachment to N2O: An example of endothermic attachment

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Jordan C. Sawyer, Thomas M. Miller, Shaun G. Ard, Brendan C. Sweeny, Albert A. Viggiano, Nicholas S. Shuman
Journal: The Journal of Chemical Physics
J. Chem. Phys. 153, 074306 (2020)
https://doi.org/10.1063/5.0016121
Published: August 2020
View articletitled, Thermal rate constants for electron attachment to N2O: An example of endothermic attachment
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Journal Articles

Mutual neutralization of H + and D + with the atomic halide anions C l − , B r − , and I −

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Jordan C. Sawyer, Thomas M. Miller, Brendan C. Sweeny, Shaun G. Ard, Albert A. Viggiano, Nicholas S. Shuman
Journal: The Journal of Chemical Physics
J. Chem. Phys. 149, 044303 (2018)
https://doi.org/10.1063/1.5036522
Published: July 2018
View articletitled, Mutual neutralization of H + and D + with the atomic halide anions C l − , B r − , and I −
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Includes: Supplementary data
Journal Articles

Kinetics of CO+ and CO2+ with N and O atoms

Free
Jake E. Tenewitz, Trí Lê, Oscar Martinez, Jr., Shaun G. Ard, Nicholas S. Shuman, Jenny C. Sanchez, Albert A. Viggiano, Joshua J. Melko
Journal: The Journal of Chemical Physics
J. Chem. Phys. 148, 084305 (2018)
https://doi.org/10.1063/1.5011195
Published: February 2018
View articletitled, Kinetics of CO+ and CO2+ with N and O atoms
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Includes: Supplementary data
Journal Articles

Electronic structure of SmO and SmO− via slow photoelectron velocity-map imaging spectroscopy and spin-orbit CASPT2 calculations

Free
Marissa L. Weichman, Bess Vlaisavljevich, Jessalyn A. DeVine, Nicholas S. Shuman, Shaun G. Ard, Toru Shiozaki, Daniel M. Neumark, Albert A. Viggiano
Journal: The Journal of Chemical Physics
J. Chem. Phys. 147, 234311 (2017)
https://doi.org/10.1063/1.5008423
Published: December 2017
View articletitled, Electronic structure of SmO and SmO− via slow photoelectron velocity-map imaging spectroscopy and spin-orbit CASPT2 calculations
Open the PDF for Electronic structure of SmO and SmO− via slow photoelectron velocity-map imaging spectroscopy and spin-orbit CASPT2 calculations in another window
Includes: Supplementary data
Journal Articles

Surprising behaviors in the temperature dependent kinetics of diatomic interhalogens with anions and cations

Free
Nicholas S. Shuman, Oscar Martinez, Jr., Shaun G. Ard, Justin P. Wiens, Nicholas R. Keyes, Hua Guo, Albert A. Viggiano
Journal: The Journal of Chemical Physics
J. Chem. Phys. 146, 214307 (2017)
https://doi.org/10.1063/1.4984303
Published: June 2017
View articletitled, Surprising behaviors in the temperature dependent kinetics of diatomic interhalogens with anions and cations
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Journal Articles

Chemi-ionization reactions of La, Pr, Tb, and Ho with atomic O and La with N2O from 200 to 450 K

Free
Shaun G. Ard, Nicholas S. Shuman, Oscar Martinez, Jr., P. B. Armentrout, Albert A. Viggiano
Journal: The Journal of Chemical Physics
J. Chem. Phys. 145, 084302 (2016)
https://doi.org/10.1063/1.4961263
Published: August 2016
View articletitled, Chemi-ionization reactions of La, Pr, Tb, and Ho with atomic O and La with N2O from 200 to 450 K
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Journal Articles

Reactivity from excited state 4FeO+ + CO sampled through reaction of ground state 4FeCO+ + N2O

Free
Shaun G. Ard, Nicholas S. Shuman, Oscar Martinez, Jr., Steven A. Brown, Jordan C. Sawyer, Albert A. Viggiano
Journal: The Journal of Chemical Physics
J. Chem. Phys. 144, 234303 (2016)
https://doi.org/10.1063/1.4953553
Published: June 2016
View articletitled, Reactivity from excited state 4FeO+ + CO sampled through reaction of ground state 4FeCO+ + N2O
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Journal Articles

Kinetics of chemi-ionization reactions of lanthanide metals (Nd, Sm) from 150 to 450 K

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Shaun G. Ard, Nicholas S. Shuman, Oscar Martinez, Jr., Michael T. Brumbach, Albert A. Viggiano
Journal: The Journal of Chemical Physics
J. Chem. Phys. 143, 204303 (2015)
https://doi.org/10.1063/1.4934995
Published: November 2015
View articletitled, Kinetics of chemi-ionization reactions of lanthanide metals (Nd, Sm) from 150 to 450 K
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Journal Articles

Temperature-dependent kinetic measurements and quasi-classical trajectory studies for the OH+ + H2/D2 → H2O+/HDO+ + H/D reactions

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Oscar Martinez, Jr., Shaun G. Ard, Anyang Li, Nicholas S. Shuman, Hua Guo, Albert A. Viggiano
Journal: The Journal of Chemical Physics
J. Chem. Phys. 143, 114310 (2015)
https://doi.org/10.1063/1.4931109
Published: September 2015
View articletitled, Temperature-dependent kinetic measurements and quasi-classical trajectory studies for the OH+ + H2/D2 → H2O+/HDO+ + H/D reactions
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Journal Articles

Coupling an electrospray source and a solids probe/chemical ionization source to a selected ion flow tube apparatus

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Joshua J. Melko, Shaun G. Ard, Nicholas S. Shuman, Randall E. Pedder, Christopher R. Taormina, Albert A. Viggiano
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 86, 084101 (2015)
https://doi.org/10.1063/1.4927716
Published: August 2015
View articletitled, Coupling an electrospray source and a solids probe/chemical ionization source to a selected ion flow tube apparatus
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Journal Articles

Selected-ion flow tube temperature-dependent measurements for the reactions of O2+ with N atoms and N2+ with O atoms

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Oscar Martinez, Jr., Jenny C. Sanchez, Shaun G. Ard, Anyang Li, Joshua J. Melko, Nicholas S. Shuman, Hua Guo, Albert A. Viggiano
Journal: The Journal of Chemical Physics
J. Chem. Phys. 142, 154305 (2015)
https://doi.org/10.1063/1.4916913
Published: April 2015
View articletitled, Selected-ion flow tube temperature-dependent measurements for the reactions of O2+ with N atoms and N2+ with O atoms
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Journal Articles

Evaluation of the exothermicity of the chemi-ionization reaction Sm + O → SmO+ + e−

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Richard M Cox, JungSoo Kim, P. B. Armentrout, Joshua Bartlett, Robert A. VanGundy, Michael C. Heaven, Shaun G. Ard, Joshua J. Melko, Nicholas S. Shuman, Albert A. Viggiano
Journal: The Journal of Chemical Physics
J. Chem. Phys. 142, 134307 (2015)
https://doi.org/10.1063/1.4916396
Published: April 2015
View articletitled, Evaluation of the exothermicity of the chemi-ionization reaction Sm + O → SmO+ + e−
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Journal Articles

Temperature dependences for the reactions of O2− and O− with N and O atoms in a selected-ion flow tube instrument

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Shaun G. Ard, Joshua J. Melko, Bin Jiang, Yongle Li, Nicholas S. Shuman, Hua Guo, Albert A. Viggiano
Journal: The Journal of Chemical Physics
J. Chem. Phys. 139, 144302 (2013)
https://doi.org/10.1063/1.4824018
Published: October 2013
View articletitled, Temperature dependences for the reactions of O2− and O− with N and O atoms in a selected-ion flow tube instrument
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Journal Articles

A novel technique for measurement of thermal rate constants and temperature dependences of dissociative recombination: CO2+, CF3+, N2O+, C7H8+, C7H7+, C6H6+, C6H5+, C5H6+, C4H4+, and C3H3+

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Joseph A. Fournier, Nicholas S. Shuman, Joshua J. Melko, Shaun G. Ard, Albert A. Viggiano
Journal: The Journal of Chemical Physics
J. Chem. Phys. 138, 154201 (2013)
https://doi.org/10.1063/1.4801657
Published: April 2013
View articletitled, A novel technique for measurement of thermal rate constants and temperature dependences of dissociative recombination: CO2+, CF3+, N2O+, C7H8+, C7H7+, C6H6+, C6H5+, C5H6+, C4H4+, and C3H3+
Open the PDF for A novel technique for measurement of thermal rate constants and temperature dependences of dissociative recombination: CO2+, CF3+, N2O+, C7H8+, C7H7+, C6H6+, C6H5+, C5H6+, C4H4+, and C3H3+ in another window