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Journal Articles

Direct measurement of current-dependent optical losses in interband cascade lasers

Editor’s Pick
Mikołaj Piotrowski, Andreas Windischhofer, Johannes Fuchsberger, Elena Arigliani, Mauro David, Kristina Herzanova, Josephine Nauschütz, Robert Weih, Rolf Szedlak, Gottfried Strasser, Benedikt Schwarz
Journal: Applied Physics Letters
Appl. Phys. Lett. 125, 241104 (2024)
https://doi.org/10.1063/5.0243370
Published: December 2024
View article titled, Direct measurement of current-dependent optical losses in interband cascade lasers
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Journal Articles

Terahertz programmable metasurface for phase modulation based on free carrier plasma dispersion effect

Renjie Hu, Qixuan Min, Xin Liu, Anli Dai, Jinying Guo, Guohai Situ
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 251703 (2024)
https://doi.org/10.1063/5.0210458
Published: June 2024
View article titled, Terahertz programmable metasurface for phase modulation based on free carrier plasma dispersion effect
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Journal Articles

Influence of non-stoichiometry and local atomic environments on carrier transport in GaAs1 − x − yNxBiy alloys

J. W. Mitchell, C. M. Greenhill, T.-Y. Huang, T. Jen, Y.-C. Yang, K. Hammond, J. N. Heyman, R. S. Goldman
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 152108 (2024)
https://doi.org/10.1063/5.0187750
Published: April 2024
View article titled, Influence of non-stoichiometry and local atomic environments on carrier transport in GaAs<sub>1 − x − y</sub>N<sub>x</sub>Bi<sub>y</sub> alloys
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Includes: Supplementary data
Journal Articles

Terahertz-induced second harmonic radiation from transient electron behavior in water

Hang Zhao, Yong Tan, Guang Lu, Yijian Wu, Ming Liu, Yuejin Zhao
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 041101 (2024)
https://doi.org/10.1063/5.0166408
Published: January 2024
View article titled, Terahertz-induced second harmonic radiation from transient electron behavior in water
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Includes: Supplementary data
Journal Articles

Comparative analysis of THz signal emission from bilayer heterostructures: Wideband and high-frequency THz signal advantage of PtBi-based emitter

Tristan Joachim Winkel, Tahereh Sadat Parvini, Finn-Frederik Stiewe, Jakob Walowski, Farshad Moradi, Markus Münzenberg
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 012408 (2024)
https://doi.org/10.1063/5.0183830
Published: January 2024
View article titled, Comparative analysis of THz signal emission from bilayer heterostructures: Wideband and high-frequency THz signal advantage of PtBi-based emitter
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Journal Articles

Radio frequency epsilon-near-zero properties interpretation via CNT/PVDF composites

Editor’s Pick
Yingjie Wang, Zaixin Wei, Xiaoting Song, Mingxiang Liu, Zidong Zhang, Qingxi Zeng, Jianguo Jiang, Yao Liu, Runhua Fan
Journal: Applied Physics Letters
Appl. Phys. Lett. 123, 251701 (2023)
https://doi.org/10.1063/5.0183658
Published: December 2023
View article titled, Radio frequency epsilon-near-zero properties interpretation via CNT/PVDF composites
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Includes: Supplementary data
Journal Articles

Tight bounds correlating peak absorption with Q-factor in composites and metallic clusters of particles

Editor’s Pick
Kshiteej J. Deshmukh, Graeme W. Milton
Journal: Applied Physics Letters
Appl. Phys. Lett. 123, 081703 (2023)
https://doi.org/10.1063/5.0155092
Published: August 2023
View article titled, Tight bounds correlating peak absorption with Q-factor in composites and metallic clusters of particles
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Includes: Supplementary data
Journal Articles

Maximal absorption in ultrathin TiN films for microbolometer applications

Ting S. Luk, Guangping Xu, Willard Ross, John N. Nogan, Ethan A. Scott, Sergei Ivanov, Oana Niculescu, Oleg Mitrofanov, C. Thomas Harris
Journal: Applied Physics Letters
Appl. Phys. Lett. 121, 234101 (2022)
https://doi.org/10.1063/5.0123671
Published: December 2022
View article titled, Maximal absorption in ultrathin TiN films for microbolometer applications
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Includes: Supplementary data
Journal Articles

Disentangling complex current pathways in a metallic Ru/Co bilayer nanostructure using THz spectroscopy

Nicolas S. Beermann, Savio Fabretti, Karsten Rott, Hassan A. Hafez, Günter Reiss, Dmitry Turchinovich
Journal: Applied Physics Letters
Appl. Phys. Lett. 121, 203101 (2022)
https://doi.org/10.1063/5.0125464
Published: November 2022
View article titled, Disentangling complex current pathways in a metallic Ru/Co bilayer nanostructure using THz spectroscopy
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Includes: Supplementary data
Journal Articles

Enhancement of 2DEG effective mass in AlN/Al0.78Ga0.22N high electron mobility transistor structure determined by THz optical Hall effect

Editor’s Pick
Philipp Kühne, Nerijus Armakavicius, Alexis Papamichail, Dat Q. Tran, Vallery Stanishev, Mathias Schubert, Plamen P. Paskov, Vanya Darakchieva
Journal: Applied Physics Letters
Appl. Phys. Lett. 120, 253102 (2022)
https://doi.org/10.1063/5.0087033
Published: June 2022
View article titled, Enhancement of 2DEG effective mass in AlN/Al<sub>0.78</sub>Ga<sub>0.22</sub>N high electron mobility transistor structure determined by THz optical Hall effect
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Journal Articles

High-frequency conductivity and temperature dependence of electron effective mass in AlGaN/GaN heterostructures

Vadym V. Korotyeyev, Vyacheslav A. Kochelap, Vladyslav V. Kaliuzhnyi, Alexander E. Belyaev
Journal: Applied Physics Letters
Appl. Phys. Lett. 120, 252103 (2022)
https://doi.org/10.1063/5.0093292
Published: June 2022
View article titled, High-frequency conductivity and temperature dependence of electron effective mass in AlGaN/GaN heterostructures
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Includes: Supplementary data
Journal Articles

Scattering mechanism of hole carriers in organic molecular semiconductors deduced from analyses of terahertz absorption spectra using Drude–Anderson model

Y. Han, T. Miyamoto, T. Otaki, N. Takamura, N. Kida, N. Osakabe, J. Tsurumi, S. Watanabe, T. Okamoto, J. Takeya, H. Okamoto
Journal: Applied Physics Letters
Appl. Phys. Lett. 120, 053302 (2022)
https://doi.org/10.1063/5.0073133
Published: February 2022
View article titled, Scattering mechanism of hole carriers in organic molecular semiconductors deduced from analyses of terahertz absorption spectra using Drude–Anderson model
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Includes: Supplementary data
Journal Articles

Terahertz plasma edge engineering in semiconductor membranes with a two-dimensional electron layer

A. S. Astrakhantseva, A. Shuvaev, P. A. Gusikhin, A. Pimenov, I. V. Kukushkin, V. M. Muravev
Journal: Applied Physics Letters
Appl. Phys. Lett. 120, 031104 (2022)
https://doi.org/10.1063/5.0077188
Published: January 2022
View article titled, Terahertz plasma edge engineering in semiconductor membranes with a two-dimensional electron layer
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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

Bismuth layer properties in the ultrathin Bi–FeNi multilayer films probed by spectroscopic ellipsometry

N. N. Kovaleva, D. Chvostova, O. Pacherova, A. V. Muratov, L. Fekete, I. A. Sherstnev, K. I. Kugel, F. A. Pudonin, A. Dejneka
Journal: Applied Physics Letters
Appl. Phys. Lett. 119, 183101 (2021)
https://doi.org/10.1063/5.0069691
Published: November 2021
View article titled, Bismuth layer properties in the ultrathin Bi–FeNi multilayer films probed by spectroscopic ellipsometry
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Includes: Supplementary data
Journal Articles

Three-dimensional luminescence microscopy for quantitative plasma characterization in bulk semiconductors

Editor’s Pick
A. Wang, A. Das, J. Hermann, D. Grojo
Journal: Applied Physics Letters
Appl. Phys. Lett. 119, 041108 (2021)
https://doi.org/10.1063/5.0059431
Published: July 2021
View article titled, Three-dimensional luminescence microscopy for quantitative plasma characterization in bulk semiconductors
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Includes: Supplementary data
Journal Articles

Selective observation of transverse optical phonons of Au modes to evaluate free charge carrier parameters in β -Ga2O3 substrate and homoepitaxial film

Takeyoshi Onuma, Kohei Sasaki, Tomohiro Yamaguchi, Tohru Honda, Akito Kuramata, Shigenobu Yamakoshi, Masataka Higashiwaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 118, 252101 (2021)
https://doi.org/10.1063/5.0059070
Published: June 2021
View article titled, Selective observation of transverse optical phonons of A<sub>u</sub> modes to evaluate free charge carrier parameters in <em>β</em> -Ga<sub>2</sub>O<sub>3</sub> substrate and homoepitaxial film
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Journal Articles

Metallic ferromagnetic selenospinel composites of CuCr2Se4–CdCr2Se4 with double negative electromagnetic parameters

Editor’s Pick
Feng Yin, Kelan Yan, Liming Shen, Ningzhong Bao
Journal: Applied Physics Letters
Appl. Phys. Lett. 118, 181904 (2021)
https://doi.org/10.1063/5.0049612
Published: May 2021
View article titled, Metallic ferromagnetic selenospinel composites of CuCr<sub>2</sub>Se<sub>4</sub>–CdCr<sub>2</sub>Se<sub>4</sub> with double negative electromagnetic parameters
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Journal Articles

Anisotropic complex refractive index of β-Ga2O3 bulk and epilayer evaluated by terahertz time-domain spectroscopy

Verdad C. Agulto, Kazuhiro Toya, Thanh Nhat Khoa Phan, Valynn Katrine Mag-usara, Jiajun Li, Melvin John F. Empizo, Toshiyuki Iwamoto, Ken Goto, Hisashi Murakami, Yoshinao Kumagai, Nobuhiko Sarukura, Masashi Yoshimura, Makoto Nakajima
Journal: Applied Physics Letters
Appl. Phys. Lett. 118, 042101 (2021)
https://doi.org/10.1063/5.0031531
Published: January 2021
View article titled, Anisotropic complex refractive index of β-Ga<sub>2</sub>O<sub>3</sub> bulk and epilayer evaluated by terahertz time-domain spectroscopy
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Journal Articles

Intra- and inter-conduction band optical absorption processes in β -Ga2O3

Editor’s Pick
Arjan Singh, Okan Koksal, Nicholas Tanen, Jonathan McCandless, Debdeep Jena, Huili (Grace) Xing, Hartwin Peelaers, Farhan Rana
Journal: Applied Physics Letters
Appl. Phys. Lett. 117, 072103 (2020)
https://doi.org/10.1063/5.0016341
Published: August 2020
View article titled, Intra- and inter-conduction band optical absorption processes in <em>β</em> -Ga<sub>2</sub>O<sub>3</sub>
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