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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

Celebrating notable advances in compound semiconductors: A tribute to Dr. Wladyslaw Walukiewicz

Kirstin Alberi, Junqiao Wu, Robert Kudrawiec, Yasushi Nanishi
Journal: Journal of Applied Physics
J. Appl. Phys. 136, 060401 (2024)
https://doi.org/10.1063/5.0229171
Published: August 2024
View article titled, Celebrating notable advances in compound semiconductors: A tribute to Dr. Wladyslaw Walukiewicz
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Journal Articles

Incoherent phonon transport dominates heat conduction across van der Waals superlattices

Featured
Lu Zhao, Lijuan Zhang, Houfu Song, Hongda Du, Junqiao Wu, Feiyu Kang, Bo Sun
Journal: Applied Physics Letters
Appl. Phys. Lett. 121, 022201 (2022)
https://doi.org/10.1063/5.0096861
Published: July 2022
View article titled, Incoherent phonon transport dominates heat conduction across van der Waals superlattices
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Includes: Supplementary data
Journal Articles

Transducerless time domain reflectance measurement of semiconductor thermal properties

Editor’s Pick
Sorren Warkander, Junqiao Wu
Journal: Journal of Applied Physics
J. Appl. Phys. 131, 025101 (2022)
https://doi.org/10.1063/5.0069360
Published: January 2022
View article titled, Transducerless time domain reflectance measurement of semiconductor thermal properties
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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

Temperature-dependent growth of hexagonal and monoclinic gallium sulfide films by pulsed-laser deposition

Kazutaka Eriguchi, Carlos Biaou, Sujit Das, Kin Man Yu, Junqiao Wu, Oscar D. Dubon
Journal: AIP Advances
AIP Advances 10, 105215 (2020)
https://doi.org/10.1063/5.0021938
Published: October 2020
View article titled, Temperature-dependent growth of hexagonal and monoclinic gallium sulfide films by pulsed-laser deposition
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Includes: Supplementary data
Journal Articles

Reducing adhesion energy of nano-electro-mechanical relay contacts by self-assembled Perfluoro (2,3-Dimethylbutan-2-ol) coating

Sara Fathipour, Sergio Fabian Almeida, Zhixin Alice Ye, Bivas Saha, Farnaz Niroui, Tsu-Jae King Liu, Junqiao Wu
Journal: AIP Advances
AIP Advances 9, 055329 (2019)
https://doi.org/10.1063/1.5095760
Published: May 2019
View article titled, Reducing adhesion energy of nano-electro-mechanical relay contacts by self-assembled Perfluoro (2,3-Dimethylbutan-2-ol) coating
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Includes: Supplementary data
Journal Articles

Anomalously high electronic thermal conductivity and Lorenz ratio in Bi2Te3 nanoribbons far from the bipolar condition

Hwan Sung Choe, Jiachen Li, Wenjing Zheng, Jaejun Lee, Joonki Suh, Frances I. Allen, Huili Liu, Heon-Jin Choi, Wladek Walukiewicz, Haimei Zheng, Junqiao Wu
Journal: Applied Physics Letters
Appl. Phys. Lett. 114, 152101 (2019)
https://doi.org/10.1063/1.5092221
Published: April 2019
View article titled, Anomalously high electronic thermal conductivity and Lorenz ratio in Bi<sub>2</sub>Te<sub>3</sub> nanoribbons far from the bipolar condition
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Journal Articles

Compensated thermal conductivity of metallically conductive Ta-doped TiO2

Joonki Suh, Tarapada Sarkar, Hwan Sung Choe, Joonsuk Park, T. Venkatesan, Junqiao Wu
Journal: Applied Physics Letters
Appl. Phys. Lett. 113, 022103 (2018)
https://doi.org/10.1063/1.5044563
Published: July 2018
View article titled, Compensated thermal conductivity of metallically conductive Ta-doped TiO<sub>2</sub>
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Includes: Supplementary data
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

Thermal diodes, regulators, and switches: Physical mechanisms and potential applications

Editor’s Pick
Geoff Wehmeyer, Tomohide Yabuki, Christian Monachon, Junqiao Wu, Chris Dames
Journal: Applied Physics Reviews
Appl. Phys. Rev. 4, 041304 (2017)
https://doi.org/10.1063/1.5001072
Published: November 2017
View article titled, Thermal diodes, regulators, and switches: Physical mechanisms and potential applications
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Journal Articles

Variable range hopping electric and thermoelectric transport in anisotropic black phosphorus

Huili Liu, Hwan Sung Choe, Yabin Chen, Joonki Suh, Changhyun Ko, Sefaattin Tongay, Junqiao Wu
Journal: Applied Physics Letters
Appl. Phys. Lett. 111, 102101 (2017)
https://doi.org/10.1063/1.4985333
Published: September 2017
View article titled, Variable range hopping electric and thermoelectric transport in anisotropic black phosphorus
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Includes: Supplementary data
Journal Articles

Reducing adhesion energy of micro-relay electrodes by ion beam synthesized oxide nanolayers

Bivas Saha, Alexis Peschot, Benjamin Osoba, Changhyun Ko, Leonard Rubin, Tsu-Jae King Liu, Junqiao Wu
Journal: APL Materials
APL Mater. 5, 036103 (2017)
https://doi.org/10.1063/1.4978436
Published: March 2017
View article titled, Reducing adhesion energy of micro-relay electrodes by ion beam synthesized oxide nanolayers
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Includes: Supplementary data
Journal Articles

Stress compensation for arbitrary curvature control in vanadium dioxide phase transition actuators

Kaichen Dong, Shuai Lou, Hwan Sung Choe, Kai Liu, Zheng You, Jie Yao, Junqiao Wu
Journal: Applied Physics Letters
Appl. Phys. Lett. 109, 023504 (2016)
https://doi.org/10.1063/1.4958692
Published: July 2016
View article titled, Stress compensation for arbitrary curvature control in vanadium dioxide phase transition actuators
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Journal Articles

Pressure-induced structural transition of CdxZn1−xO alloys

Yabin Chen, Shuai Zhang, Weiwei Gao, Feng Ke, Jinyuan Yan, Bivas Saha, Changhyun Ko, Joonki Suh, Bin Chen, Joel W. Ager, III, Wladek Walukiewicz, Raymond Jeanloz, Junqiao Wu
Journal: Applied Physics Letters
Appl. Phys. Lett. 108, 152105 (2016)
https://doi.org/10.1063/1.4947022
Published: April 2016
View article titled, Pressure-induced structural transition of Cd<sub>x</sub>Zn<sub>1−x</sub>O alloys
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Journal Articles

Hopping conduction in p-type MoS2 near the critical regime of the metal-insulator transition

Tae-Eon Park, Joonki Suh, Dongjea Seo, Joonsuk Park, Der-Yuh Lin, Ying-Sheng Huang, Heon-Jin Choi, Junqiao Wu, Chaun Jang, Joonyeon Chang
Journal: Applied Physics Letters
Appl. Phys. Lett. 107, 223107 (2015)
https://doi.org/10.1063/1.4936571
Published: December 2015
View article titled, Hopping conduction in <em>p</em>-type MoS<sub>2</sub> near the critical regime of the metal-insulator transition
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Includes: Supplementary data
Journal Articles

Thermal tuning of infrared resonant absorbers based on hybrid gold-VO2 nanostructures

Hasan Kocer, Serkan Butun, Berker Banar, Kevin Wang, Sefaatttin Tongay, Junqiao Wu, Koray Aydin
Journal: Applied Physics Letters
Appl. Phys. Lett. 106, 161104 (2015)
https://doi.org/10.1063/1.4918938
Published: April 2015
View article titled, Thermal tuning of infrared resonant absorbers based on hybrid gold-VO<sub>2</sub> nanostructures
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Includes: Supplementary data
Journal Articles

Two-dimensional semiconductor alloys: Monolayer Mo1−xWxSe2

Sefaattin Tongay, Deepa S. Narang, Jun Kang, Wen Fan, Changhyun Ko, Alexander V. Luce, Kevin X. Wang, Joonki Suh, K. D. Patel, V. M. Pathak, Jingbo Li, Junqiao Wu
Journal: Applied Physics Letters
Appl. Phys. Lett. 104, 012101 (2014)
https://doi.org/10.1063/1.4834358
Published: January 2014
View article titled, Two-dimensional semiconductor alloys: Monolayer Mo<sub>1−x</sub>W<sub>x</sub>Se<sub>2</sub>
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Journal Articles

Enhancing structural transition by carrier and quantum confinement: Stabilization of cubic InN quantum dots by Mn incorporation

Xiuqing Meng, Zhanghui Chen, Zhuo Chen, Fengmin Wu, Shu-Shen Li, Jingbo Li, Junqiao Wu, Su-Huai Wei
Journal: Applied Physics Letters
Appl. Phys. Lett. 103, 253102 (2013)
https://doi.org/10.1063/1.4850755
Published: December 2013
View article titled, Enhancing structural transition by carrier and quantum confinement: Stabilization of cubic InN quantum dots by Mn incorporation
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Journal Articles

Metal to semiconductor transition in metallic transition metal dichalcogenides

Yan Li, Sefaattin Tongay, Qu Yue, Jun Kang, Junqiao Wu, Jingbo Li
Journal: Journal of Applied Physics
J. Appl. Phys. 114, 174307 (2013)
https://doi.org/10.1063/1.4829464
Published: November 2013
View article titled, Metal to semiconductor transition in metallic transition metal dichalcogenides
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