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Journal Articles

Laser-aided processing and functionalization of 2D materials

Runxuan Li, Brian W. Blankenship, Junqiao Wu, Yoonsoo Rho, Jingang Li, Costas P. Grigoropoulos
Journal: Applied Physics Letters
Appl. Phys. Lett. 125, 070502 (2024)
https://doi.org/10.1063/5.0223490
Published: August 2024
View article titled, Laser-aided processing and functionalization of 2D materials
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Journal Articles

Pulsed laser induced atomic layer etching of silicon

Matthew Eliceiri, Yoonsoo Rho, Runxuan Li, Costas P. Grigoropoulos
Journal: Journal of Vacuum Science & Technology A
J. Vac. Sci. Technol. A 41, 022602 (2023)
https://doi.org/10.1116/6.0002399
Published: February 2023
View article titled, Pulsed laser induced atomic layer etching of silicon
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Includes: Supplementary data
Journal Articles

Recent advances in selective laser–material interaction for biomedical device applications

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Seung-Hoon Um, Suk-Won Hwang, Costas P. Grigoropoulos, Hojeong Jeon, Seung Hwan Ko
Journal: Applied Physics Reviews
Appl. Phys. Rev. 9, 041302 (2022)
https://doi.org/10.1063/5.0101634
Published: October 2022
View article titled, Recent advances in selective laser–material interaction for biomedical device applications
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Journal Articles

Mechanisms of graphite ablation by sub-millisecond ytterbium fiber laser pulses

Minok Park, Matthew M. Balkey, Xianglei Mao, Jacob C. Jonsson, Costas P. Grigoropoulos, Vassilia Zorba
Journal: Applied Physics Letters
Appl. Phys. Lett. 121, 094101 (2022)
https://doi.org/10.1063/5.0109618
Published: August 2022
View article titled, Mechanisms of graphite ablation by sub-millisecond ytterbium fiber laser pulses
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Includes: Supplementary data
Journal Articles

Spatio-temporal ablation dynamics and plasma chemistry of aluminum induced by temporally modulated ytterbium fiber laser

Minok Park, Matthew M. Balkey, Xianglei Mao, Costas P. Grigoropoulos, Vassilia Zorba
Journal: Applied Physics Letters
Appl. Phys. Lett. 119, 224103 (2021)
https://doi.org/10.1063/5.0076527
Published: December 2021
View article titled, Spatio-temporal ablation dynamics and plasma chemistry of aluminum induced by temporally modulated ytterbium fiber laser
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Includes: Supplementary data
Journal Articles

Phase change materials in photonic devices

Zilun Gong, Fuyi Yang, Letian Wang, Rui Chen, Junqiao Wu, Costas P. Grigoropoulos, Jie Yao
Journal: Journal of Applied Physics
J. Appl. Phys. 129, 030902 (2021)
https://doi.org/10.1063/5.0027868
Published: January 2021
View article titled, Phase change materials in photonic devices
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Journal Articles

Time-resolved emission and scattering imaging of plume dynamics and nanoparticle ejection in femtosecond laser ablation of silver thin films

Minok Park, Jinhong Jeun, Gyoowan Han, Costas P. Grigoropoulos
Journal: Applied Physics Letters
Appl. Phys. Lett. 116, 234105 (2020)
https://doi.org/10.1063/5.0009227
Published: June 2020
View article titled, Time-resolved emission and scattering imaging of plume dynamics and nanoparticle ejection in femtosecond laser ablation of silver thin films
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Includes: Supplementary data
Journal Articles

Design and validation of a ten nanosecond resolved resistive thermometer for Gaussian laser beam heating

Letian Wang, Dongwoo Paeng, Zeqing Jin, He Zhang, Y. S. Kim, Yoonsoo Rho, Matthew Eliceiri, Costas P. Grigoropoulos
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 90, 124903 (2019)
https://doi.org/10.1063/1.5118811
Published: December 2019
View article titled, Design and validation of a ten nanosecond resolved resistive thermometer for Gaussian laser beam heating
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Includes: Supplementary data
Journal Articles

Role of Jakob number in Leidenfrost phenomena unveiled by theoretical modeling

Meng Shi (史萌), Felix Frank, Letian Wang (王乐天), Feng Xu (徐峰), Tian Jian Lu (卢天健), Costas P. Grigoropoulos
Journal: Physics of Fluids
Physics of Fluids 31, 042109 (2019)
https://doi.org/10.1063/1.5082266
Published: April 2019
View article titled, Role of Jakob number in Leidenfrost phenomena unveiled by theoretical modeling
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Journal Articles

Tuning the optical and electrical properties of MoS2 by selective Ag photo-reduction

Eunpa Kim, Yoonkyung Lee, Changhyun Ko, Yunjeong Park, Junyeob Yeo, Yabin Chen, Hwan Sung Choe, Frances I. Allen, Junsuk Rho, Sefaattin Tongay, Junqiao Wu, Kyunghoon Kim, Costas P. Grigoropoulos
Journal: Applied Physics Letters
Appl. Phys. Lett. 113, 013105 (2018)
https://doi.org/10.1063/1.5022705
Published: July 2018
View article titled, Tuning the optical and electrical properties of MoS<sub>2</sub> by selective Ag photo-reduction
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Journal Articles

Incubation behavior of silicon nanowire growth investigated by laser-assisted rapid heating

Sang-gil Ryu, Eunpa Kim, Frances I. Allen, David J. Hwang, Andrew M. Minor, Costas P. Grigoropoulos
Journal: Applied Physics Letters
Appl. Phys. Lett. 109, 073106 (2016)
https://doi.org/10.1063/1.4961374
Published: August 2016
View article titled, Incubation behavior of silicon nanowire growth investigated by laser-assisted rapid heating
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Journal Articles

Time-resolved analysis of thickness-dependent dewetting and ablation of silver films upon nanosecond laser irradiation

Dongfeng Qi, Dongwoo Paeng, Junyeob Yeo, Eunpa Kim, Letian Wang, Songyan Chen, Costas P. Grigoropoulos
Journal: Applied Physics Letters
Appl. Phys. Lett. 108, 211602 (2016)
https://doi.org/10.1063/1.4952597
Published: May 2016
View article titled, Time-resolved analysis of thickness-dependent dewetting and ablation of silver films upon nanosecond laser irradiation
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Journal Articles

Evaluation of pulsed laser annealing for flexible multilayer MoS2 transistors

Hyuk-Jun Kwon, Sunkook Kim, Jaewon Jang, Costas P. Grigoropoulos
Journal: Applied Physics Letters
Appl. Phys. Lett. 106, 113111 (2015)
https://doi.org/10.1063/1.4916131
Published: March 2015
View article titled, Evaluation of pulsed laser annealing for flexible multilayer MoS<sub>2</sub> transistors
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Journal Articles

Exploitation of the coffee-ring effect to realize mechanically enhanced inkjet-printed microelectromechanical relays with U-bar-shaped cantilevers

Seungjun Chung, Muhammed Ahosan Ul Karim, Matthew Spencer, Hyuk-Jun Kwon, Costas P. Grigoropoulos, Elad Alon, Vivek Subramanian
Journal: Applied Physics Letters
Appl. Phys. Lett. 105, 261901 (2014)
https://doi.org/10.1063/1.4904953
Published: December 2014
View article titled, Exploitation of the coffee-ring effect to realize mechanically enhanced inkjet-printed microelectromechanical relays with U-bar-shaped cantilevers
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Journal Articles

Electrical characteristics of multilayer MoS2 transistors at real operating temperatures with different ambient conditions

Hyuk-Jun Kwon, Jaewon Jang, Sunkook Kim, Vivek Subramanian, Costas P. Grigoropoulos
Journal: Applied Physics Letters
Appl. Phys. Lett. 105, 152105 (2014)
https://doi.org/10.1063/1.4898584
Published: October 2014
View article titled, Electrical characteristics of multilayer MoS<sub>2</sub> transistors at real operating temperatures with different ambient conditions
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Journal Articles

Characteristic time scales of coalescence of silver nanocomposite and nanoparticle films induced by continuous wave laser irradiation

Dongwoo Paeng, Daeho Lee, Costas P. Grigoropoulos
Journal: Applied Physics Letters
Appl. Phys. Lett. 105, 073110 (2014)
https://doi.org/10.1063/1.4893465
Published: August 2014
View article titled, Characteristic time scales of coalescence of silver nanocomposite and nanoparticle films induced by continuous wave laser irradiation
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Journal Articles

Analysis of flicker noise in two-dimensional multilayer MoS2 transistors

Hyuk-Jun Kwon, Hongki Kang, Jaewon Jang, Sunkook Kim, Costas P. Grigoropoulos
Journal: Applied Physics Letters
Appl. Phys. Lett. 104, 083110 (2014)
https://doi.org/10.1063/1.4866785
Published: February 2014
View article titled, Analysis of flicker noise in two-dimensional multilayer MoS<sub>2</sub> transistors
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Journal Articles

Graphene folds by femtosecond laser ablation

Jae-Hyuck Yoo, Jung Bin In, Jong Bok Park, Hojeong Jeon, Costas P. Grigoropoulos
Journal: Applied Physics Letters
Appl. Phys. Lett. 100, 233124 (2012)
https://doi.org/10.1063/1.4724213
Published: June 2012
View article titled, Graphene folds by femtosecond laser ablation
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Journal Articles

Mismatched alloy nanowires for electronic structure tuning

Joanne W. L. Yim, Costas P. Grigoropoulos, Junqiao Wu
Journal: Applied Physics Letters
Appl. Phys. Lett. 99, 233111 (2011)
https://doi.org/10.1063/1.3666223
Published: December 2011
View article titled, Mismatched alloy nanowires for electronic structure tuning
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Includes: Supplementary data
Journal Articles

On demand-direct synthesis of Si and Ge nanowires on a single platform by focused laser illumination

David J. Hwang, Sang-gil Ryu, Eunpa Kim, Costas P. Grigoropoulos, Carlo Carraro
Journal: Applied Physics Letters
Appl. Phys. Lett. 99, 123109 (2011)
https://doi.org/10.1063/1.3643042
Published: September 2011
View article titled, On demand-direct synthesis of Si and Ge nanowires on a single platform by focused laser illumination
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