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Journal Articles

Remote plasma-enhanced chemical vapor deposition of GeSn on Si: Material and defect characterization

S. Q. Lim, L. Q. Huston, L. A. Smillie, G. J. Grzybowski, X. Huang, J. S. Williams, B. B. Claflin
Journal: Journal of Applied Physics
J. Appl. Phys. 133, 235302 (2023)
https://doi.org/10.1063/5.0149483
Published: June 2023
View article titled, Remote plasma-enhanced chemical vapor deposition of GeSn on Si: Material and defect characterization
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Journal Articles

High hole mobility and non-localized states in amorphous germanium

Tuan T. Tran, Jennifer Wong-Leung, Lachlan A. Smillie, Anders Hallén, Maria G. Grimaldi, Jim S. Williams
Journal: APL Materials
APL Mater. 11, 041115 (2023)
https://doi.org/10.1063/5.0146424
Published: April 2023
View article titled, High hole mobility and non-localized states in amorphous germanium
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Includes: Supplementary data
Journal Articles

Continuous wave operation of terahertz metasurface quantum-cascade VECSEL with a long intra-cryostat cavity

Yu Wu, Christopher A. Curwen, Darren J. Hayton, John L. Reno, Benjamin S. Williams
Journal: Applied Physics Letters
Appl. Phys. Lett. 121, 191106 (2022)
https://doi.org/10.1063/5.0107667
Published: November 2022
View article titled, Continuous wave operation of terahertz metasurface quantum-cascade VECSEL with a long intra-cryostat cavity
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Includes: Supplementary data
Journal Articles

Using polycyclic aromatic hydrocarbons for graphene growth on Cu(111) under ultra-high vacuum

Benedikt P. Klein, Matthew A. Stoodley, Matthew Edmondson, Luke A. Rochford, Marc Walker, Lars Sattler, Sebastian M. Weber, Gerhard Hilt, Leon B. S. Williams, Tien-Lin Lee, Alex Saywell, Reinhard J. Maurer, David A. Duncan
Journal: Applied Physics Letters
Appl. Phys. Lett. 121, 191603 (2022)
https://doi.org/10.1063/5.0122914
Published: November 2022
View article titled, Using polycyclic aromatic hydrocarbons for graphene growth on Cu(111) under ultra-high vacuum
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Includes: Supplementary data
Journal Articles

Carrier lifetimes in gold–hyperdoped silicon—Influence of dopant incorporation methods and concentration profiles

Sashini Senali Dissanayake, Nicole O. Pallat, Philippe K. Chow, Shao Qi Lim, Yining Liu, Qianao Yue, Rhoen Fiutak, Jay Mathews, Jim S. Williams, Jeffrey M. Warrender, Meng-Ju Sher
Journal: APL Materials
APL Mater. 10, 111106 (2022)
https://doi.org/10.1063/5.0126461
Published: November 2022
View article titled, Carrier lifetimes in gold–hyperdoped silicon—Influence of dopant incorporation methods and concentration profiles
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Includes: Supplementary data
Journal Articles

Measurement of amplification and absorption of a THz quantum-cascade metasurface free-space amplifier

Christopher A. Curwen, Mohammad Shahili, Sadhvikas J. Addamane, John L. Reno, Boris S. Karasik, Benjamin S. Williams, Jonathan H. Kawamura
Journal: AIP Advances
AIP Advances 12, 115205 (2022)
https://doi.org/10.1063/5.0122154
Published: November 2022
View article titled, Measurement of amplification and absorption of a THz quantum-cascade metasurface free-space amplifier
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Journal Articles

Role of defects in ultra-high gain in fast planar tin gallium oxide UV-C photodetector by MBE

Partha Mukhopadhyay, Isa Hatipoglu, Ymir K. Frodason, Joel B. Varley, Martin S. Williams, Daniel A. Hunter, Naresh K. Gunasekar, Paul R. Edwards, Robert W. Martin, Feng Wu, Akhil Mauze, James S. Speck, Winston V. Schoenfeld
Journal: Applied Physics Letters
Appl. Phys. Lett. 121, 111105 (2022)
https://doi.org/10.1063/5.0107557
Published: September 2022
View article titled, Role of defects in ultra-high gain in fast planar tin gallium oxide UV-C photodetector by MBE
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Includes: Supplementary data
Journal Articles

Experimental observations of multiple modes of filamentary structures in the magnetized dusty plasma experiment (MDPX) device

S. Williams, S. Chakraborty Thakur, M. Menati, E. Thomas, Jr.
Journal: Physics of Plasmas
Phys. Plasmas 29, 012110 (2022)
https://doi.org/10.1063/5.0065516
Published: January 2022
View article titled, Experimental observations of multiple modes of filamentary structures in the magnetized dusty plasma experiment (MDPX) device
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Journal Articles

Thin THz QCL active regions for improved continuous-wave operating temperature

Christopher A. Curwen, Sadhvikas J. Addamane, John L. Reno, Mohammad Shahili, Jonathan H. Kawamura, Ryan M. Briggs, Boris S. Karasik, Benjamin S. Williams
Journal: AIP Advances
AIP Advances 11, 125018 (2021)
https://doi.org/10.1063/5.0071953
Published: December 2021
View article titled, Thin THz QCL active regions for improved continuous-wave operating temperature
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Journal Articles

Correlation between deep-level defects and functional properties of β-(SnxGa1-x)2O3 on Si photodetectors

Isa Hatipoglu, Daniel A. Hunter, Partha Mukhopadhyay, Martin S. Williams, Paul R. Edwards, Robert W. Martin, Winston V. Schoenfeld, G. Naresh-Kumar
Journal: Journal of Applied Physics
J. Appl. Phys. 130, 204501 (2021)
https://doi.org/10.1063/5.0068186
Published: November 2021
View article titled, Correlation between deep-level defects and functional properties of β-(Sn<em><sub>x</sub></em>Ga<sub>1-<em>x</em></sub>)<sub>2</sub>O<sub>3</sub> on Si photodetectors
Open the PDF for Correlation between deep-level defects and functional properties of β-(Sn<em><sub>x</sub></em>Ga<sub>1-<em>x</em></sub>)<sub>2</sub>O<sub>3</sub> on Si photodetectors in another window
Includes: Supplementary data
Journal Articles

THz time-domain characterization of amplifying quantum-cascade metasurface

Yue Shen, Anthony D. Kim, Mohammad Shahili, Christopher A. Curwen, Sadhvikas Addamane, John L. Reno, Benjamin S. Williams
Journal: Applied Physics Letters
Appl. Phys. Lett. 119, 181108 (2021)
https://doi.org/10.1063/5.0067690
Published: November 2021
View article titled, THz time-domain characterization of amplifying quantum-cascade metasurface
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Includes: Supplementary data
Journal Articles

Multi-mode lasing in terahertz metasurface quantum-cascade VECSELs

Yu Wu, Sadhvikas Addamane, John L. Reno, Benjamin S. Williams
Journal: Applied Physics Letters
Appl. Phys. Lett. 119, 111103 (2021)
https://doi.org/10.1063/5.0061391
Published: September 2021
View article titled, Multi-mode lasing in terahertz metasurface quantum-cascade VECSELs
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Includes: Supplementary data
Journal Articles

A critical evaluation of Ag- and Ti-hyperdoped Si for Si-based infrared light detection

S. Q. Lim, A. J. Akey, E. Napolitani, P. K. Chow, J. M. Warrender, J. S. Williams
Journal: Journal of Applied Physics
J. Appl. Phys. 129, 065701 (2021)
https://doi.org/10.1063/5.0035620
Published: February 2021
View article titled, A critical evaluation of Ag- and Ti-hyperdoped Si for Si-based infrared light detection
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Includes: Supplementary data
Journal Articles

Atmospheric pressure plasma reduction of copper oxide to copper metal

Joyce Lee, Thomas S. Williams, Robert F. Hicks
Journal: Journal of Vacuum Science & Technology A
J. Vac. Sci. Technol. A 39, 023001 (2021)
https://doi.org/10.1116/6.0000704
Published: February 2021
View article titled, Atmospheric pressure plasma reduction of copper oxide to copper metal
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Journal Articles

Erratum: “Application of the James criterion to explosives with thick cover plates” [J. Appl. Phys. 128, 175103 (2020)]

J. S. Williams, W. S. Howard, S. P. Hawkins
Journal: Journal of Applied Physics
J. Appl. Phys. 128, 209901 (2020)
https://doi.org/10.1063/5.0036519
Published: November 2020
View article titled, Erratum: “Application of the James criterion to explosives with thick cover plates” [J. Appl. Phys. 128, 175103 (2020)]
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Journal Articles

Application of the James criterion to explosives with thick cover plates

J. S. Williams, W. S. Howard, S. P. Hawkins
Journal: Journal of Applied Physics
J. Appl. Phys. 128, 175103 (2020)
https://doi.org/10.1063/5.0023210
Published: November 2020
View article titled, Application of the James criterion to explosives with thick cover plates
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Journal Articles

Quantum accurate SNAP carbon potential for MD shock simulations

Jonathan T. Willman, Ashley S. Williams, Kien Nguyen-Cong, Aidan P. Thompson, Mitchell A. Wood, Anatoly B. Belonoshko, Ivan I. Oleynik
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2272, 070055 (2020)
https://doi.org/10.1063/12.0000881
Published: November 2020
View article titled, Quantum accurate SNAP carbon potential for MD shock simulations
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Journal Articles

First principles molecular dynamics simulations of high-pressure melting of diamond

Kien Nguyen-Cong, Ashley S. Williams, Jonathan T. Willman, Anatoly B. Belonoshko, Ivan I. Oleynik
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2272, 070010 (2020)
https://doi.org/10.1063/12.0001100
Published: November 2020
View article titled, First principles molecular dynamics simulations of high-pressure melting of diamond
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Journal Articles

Chalcogen-hyperdoped germanium for short-wavelength infrared photodetection

Hemi H. Gandhi, David Pastor, Tuan T. Tran, Stefan Kalchmair, Lachlan A. Smillie, Jonathan P. Mailoa, Ruggero Milazzo, Enrico Napolitani, Marko Loncar, James S. Williams, Michael J. Aziz, Eric Mazur
Journal: AIP Advances
AIP Advances 10, 075028 (2020)
https://doi.org/10.1063/5.0008281
Published: July 2020
View article titled, Chalcogen-hyperdoped germanium for short-wavelength infrared photodetection
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Includes: Supplementary data
Journal Articles

Nb3Sn multicell cavity coating system at Jefferson Lab

G. Eremeev, W. Clemens, K. Macha, C. E. Reece, A. M. Valente-Feliciano, S. Williams, U. Pudasaini, M. Kelley
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 91, 073911 (2020)
https://doi.org/10.1063/1.5144490
Published: July 2020
View article titled, Nb<sub>3</sub>Sn multicell cavity coating system at Jefferson Lab
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