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Masayoshi Tonouchi
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Journal Articles

Temperature dependence of low-frequency phonon behavior in gadolinium gallium garnet and yttrium aluminum garnet

Open Access
Ke Wang, Shin-ichi Kimura, Kunihiko Yamauchi, Hiroyasu Yamahara, Hironaru Murakami, Munetoshi Seki, Tamio Oguchi, Hitoshi Tabata, Masayoshi Tonouchi
Journal: Journal of Applied Physics
J. Appl. Phys. 136, 245105 (2024)
https://doi.org/10.1063/5.0242789
Published: December 2024
View articletitled, Temperature dependence of low-frequency phonon behavior in gadolinium gallium garnet and yttrium aluminum garnet
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Journal Articles

Probing photocarrier dynamics in a Bi2Te3–Te eutectic p–n junction with a laser terahertz emission microscope

Open Access
Fumikazu Murakami, Kazunori Serita, Iwao Kawayama, Hironaru Murakami, Kingshuk Bandopadhyay, Andrzej Materna, Augustine M. Urbas, Dorota A. Pawlak, Masayoshi Tonouchi
Journal: APL Materials
APL Mater. 11, 031102 (2023)
https://doi.org/10.1063/5.0137862
Published: March 2023
View articletitled, Probing photocarrier dynamics in a Bi2Te3–Te eutectic p–n junction with a laser terahertz emission microscope
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Includes: Supplementary data
Journal Articles

Noncontact evaluation of the interface potential in VO2/Si heterojunctions across metal–insulator phase transition

Editor’s PickAvailable to Purchase
Dongxun Yang, Fumikazu Murakami, Shingo Genchi, Hidekazu Tanaka, Masayoshi Tonouchi
Journal: Applied Physics Letters
Appl. Phys. Lett. 122, 041601 (2023)
https://doi.org/10.1063/5.0136610
Published: January 2023
View articletitled, Noncontact evaluation of the interface potential in VO2/Si heterojunctions across metal–insulator phase transition
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Includes: Supplementary data
Journal Articles

Slow optical response of semi-insulating GaN film studied by terahertz emission and photoluminescence spectroscopy

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Fumikazu Murakami, Abdul Mannan, Kazunori Serita, Hironaru Murakami, Masayoshi Tonouchi
Journal: Journal of Applied Physics
J. Appl. Phys. 131, 185706 (2022)
https://doi.org/10.1063/5.0086788
Published: May 2022
View articletitled, Slow optical response of semi-insulating GaN film studied by terahertz emission and photoluminescence spectroscopy
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Includes: Supplementary data
Journal Articles

A better understanding of terahertz emission from semiconductor surfaces with a phased-array effect

Open Access
Abdul Mannan, Ryotaro Inoue, Fumikazu Murakami, Kazunori Serita, Hironaru Murakami, Masayoshi Tonouchi
Journal: AIP Advances
AIP Advances 11, 125021 (2021)
https://doi.org/10.1063/5.0077054
Published: December 2021
View articletitled, A better understanding of terahertz emission from semiconductor surfaces with a phased-array effect
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Includes: Supplementary data
Journal Articles

Probing the surface potential of SiO2/4H-SiC(0001) by terahertz emission spectroscopy

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Hidetoshi Nakanishi, Tatsuhiko Nishimura, Iwao Kawayama, Masayoshi Tonouchi, Takuji Hosoi, Takayoshi Shimura, Heiji Watanabe
Journal: Journal of Applied Physics
J. Appl. Phys. 130, 115305 (2021)
https://doi.org/10.1063/5.0058962
Published: September 2021
View articletitled, Probing the surface potential of SiO2/4H-SiC(0001) by terahertz emission spectroscopy
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Journal Articles

Understanding terahertz emission properties from a metal–insulator–semiconductor structure upon femtosecond laser illumination

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Dongxun Yang, Masayoshi Tonouchi
Journal: Journal of Applied Physics
J. Appl. Phys. 130, 055701 (2021)
https://doi.org/10.1063/5.0055671
Published: August 2021
View articletitled, Understanding terahertz emission properties from a metal–insulator–semiconductor structure upon femtosecond laser illumination
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Includes: Supplementary data
Journal Articles

Terahertz emission spectroscopy of GaN-based heterostructures

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Abdul Mannan, Kota Yamahara, Filchito Renee G. Bagsican, Kazunori Serita, Hironaru Murakami, Iwao Kawayama, Masataka Higashiwaki, Masayoshi Tonouchi
Journal: Journal of Applied Physics
J. Appl. Phys. 129, 245702 (2021)
https://doi.org/10.1063/5.0047402
Published: June 2021
View articletitled, Terahertz emission spectroscopy of GaN-based heterostructures
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Journal Articles

Laser terahertz emission microscopy revealing the local fluctuation of terahertz generation induced by Te inclusion

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Jiangpeng Dong, Kazunori Serita, Fumikazu Murakami, Iwao Kawayama, Han Sun, Binbin Zhang, Masayoshi Tonouchi, Wanqi Jie, Yadong Xu
Journal: Applied Physics Letters
Appl. Phys. Lett. 118, 131113 (2021)
https://doi.org/10.1063/5.0045266
Published: April 2021
View articletitled, Laser terahertz emission microscopy revealing the local fluctuation of terahertz generation induced by Te inclusion
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Journal Articles

Simplified formulas for the generation of terahertz waves from semiconductor surfaces excited with a femtosecond laser

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Masayoshi Tonouchi
Journal: Journal of Applied Physics
J. Appl. Phys. 127, 245703 (2020)
https://doi.org/10.1063/5.0005623
Published: June 2020
View articletitled, Simplified formulas for the generation of terahertz waves from semiconductor surfaces excited with a femtosecond laser
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Journal Articles

High-sensitivity photoconductive detectors with wide dipole electrodes for low frequency THz wave detection

Editor’s PickAvailable to Purchase
Hironaru Murakami, Kenta Mizui, Masayoshi Tonouchi
Journal: Journal of Applied Physics
J. Appl. Phys. 125, 151610 (2019)
https://doi.org/10.1063/1.5080750
Published: April 2019
View articletitled, High-sensitivity photoconductive detectors with wide dipole electrodes for low frequency THz wave detection
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Journal Articles

Control of dipole properties in high-k and SiO2 stacks on Si substrates with tricolor superstructure

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Yasushi Hotta, Iwao Kawayama, Shozo Miyake, Ikuya Saiki, Shintaro Nishi, Kota Yamahara, Koji Arafune, Haruhiko Yoshida, Shin-ichi Satoh, Naomi Sawamoto, Atsushi Ogura, Akira Ito, Hidetoshi Nakanishi, Masayoshi Tonouchi, Hitoshi Tabata
Journal: Applied Physics Letters
Appl. Phys. Lett. 113, 012103 (2018)
https://doi.org/10.1063/1.5034494
Published: July 2018
View articletitled, Control of dipole properties in high-k and SiO2 stacks on Si substrates with tricolor superstructure
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Includes: Supplementary data
Journal Articles

Invited Article: Terahertz microfluidic chips sensitivity-enhanced with a few arrays of meta-atoms

Open Access
Kazunori Serita, Eiki Matsuda, Kosuke Okada, Hironaru Murakami, Iwao Kawayama, Masayoshi Tonouchi
Journal: APL Photonics
APL Photonics 3, 051603 (2018)
https://doi.org/10.1063/1.5007681
Published: February 2018
View articletitled, Invited Article: Terahertz microfluidic chips sensitivity-enhanced with a few arrays of meta-atoms
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Includes: Supplementary data
Journal Articles

Probing the surface potential of oxidized silicon by assessing terahertz emission

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Toshimitsu Mochizuki, Akira Ito, Jonathon Mitchell, Hidetoshi Nakanishi, Katsuto Tanahashi, Iwao Kawayama, Masayoshi Tonouchi, Katsuhiko Shirasawa, Hidetaka Takato
Journal: Applied Physics Letters
Appl. Phys. Lett. 110, 163502 (2017)
https://doi.org/10.1063/1.4980847
Published: April 2017
View articletitled, Probing the surface potential of oxidized silicon by assessing terahertz emission
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Includes: Supplementary data
Journal Articles

Polarization imaging of imperfect m-plane GaN surfaces

Open Access
Yuji Sakai, Iwao Kawayama, Hidetoshi Nakanishi, Masayoshi Tonouchi
Journal: APL Photonics
APL Photonics 2, 041304 (2017)
https://doi.org/10.1063/1.4979511
Published: March 2017
View articletitled, Polarization imaging of imperfect m-plane GaN surfaces
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Journal Articles

THz conductivity of semi-insulating and magnetic CoFe2O4 nano-hollow structures through thermally activated polaron

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Rupali Rakshit, Kazunori Serita, Masayoshi Tonouchi, Kalyan Mandal
Journal: Journal of Applied Physics
J. Appl. Phys. 120, 203901 (2016)
https://doi.org/10.1063/1.4967923
Published: November 2016
View articletitled, THz conductivity of semi-insulating and magnetic CoFe2O4 nano-hollow structures through thermally activated polaron
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Includes: Supplementary data
Journal Articles

Evaluation of SiO2@CoFe2O4 nano-hollow spheres through THz pulses

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Rupali Rakshit, Monalisa Pal, Kazunori Serita, Arka Chaudhuri, Masayoshi Tonouchi, Kalyan Mandal
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1728, 020084 (2016)
https://doi.org/10.1063/1.4946135
Published: May 2016
View articletitled, Evaluation of SiO2@CoFe2O4 nano-hollow spheres through THz pulses
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Journal Articles

Comparison between laser terahertz emission microscope and conventional methods for analysis of polycrystalline silicon solar cell

Open Access
Hidetoshi Nakanishi, Akira Ito, Kazuhisa Takayama, Iwao Kawayama, Hironaru Murakami, Masayoshi Tonouchi
Journal: AIP Advances
AIP Advances 5, 117129 (2015)
https://doi.org/10.1063/1.4935913
Published: November 2015
View articletitled, Comparison between laser terahertz emission microscope and conventional methods for analysis of polycrystalline silicon solar cell
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Journal Articles

Nonlinear terahertz superconducting plasmonics

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Jingbo Wu, Caihong Zhang, Lanju Liang, Biaobing Jin, Iwao Kawayama, Hironaru Murakami, Lin Kang, Weiwei Xu, Huabing Wang, Jian Chen, Masayoshi Tonouchi, Peiheng Wu
Journal: Applied Physics Letters
Appl. Phys. Lett. 105, 162602 (2014)
https://doi.org/10.1063/1.4898818
Published: October 2014
View articletitled, Nonlinear terahertz superconducting plasmonics
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Journal Articles

Plasmon-induced transparency in metamaterials: Active near field coupling between bright superconducting and dark metallic mode resonators

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Wei Cao, Ranjan Singh, Caihong Zhang, Jiaguang Han, Masayoshi Tonouchi, Weili Zhang
Journal: Applied Physics Letters
Appl. Phys. Lett. 103, 101106 (2013)
https://doi.org/10.1063/1.4819389
Published: September 2013
View articletitled, Plasmon-induced transparency in metamaterials: Active near field coupling between bright superconducting and dark metallic mode resonators
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