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Journal Articles

Rate equations description of the asymmetric double barrier electronic cooler

A. Philippe, F. Carosella, X. Zhu, C. Salhani, K. Hirakawa, M. Bescond, R. Ferreira, G. Bastard
Journal: Journal of Applied Physics
J. Appl. Phys. 134, 124305 (2023)
https://doi.org/10.1063/5.0155720
Published: September 2023
View article titled, Rate equations description of the asymmetric double barrier electronic cooler
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Journal Articles

Gate-tunable resistance drops related to local superconducting gaps in thin TaS2 layers on SrTiO3 substrates

M. Kosugi, R. Obata, K. Suzuki, K. Kuroyama, S. Du, B. Skinner, T. Kikkawa, T. Yokouchi, Y. Shiomi, S. Maruyama, K. Hirakawa, E. Saitoh, J. Haruyama
Journal: APL Materials
APL Mater. 11, 081106 (2023)
https://doi.org/10.1063/5.0147818
Published: August 2023
View article titled, Gate-tunable resistance drops related to local superconducting gaps in thin TaS<sub>2</sub> layers on SrTiO<sub>3</sub> substrates
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Includes: Supplementary data
Journal Articles

Electrical hysteresis characteristics in photogenerated currents on laser-beam-derived in-plane lateral 1D MoS2-Schottky junctions

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M. Kosugi, R. Obata, K. Otsuka, K. Kuroyama, S. Du, S. Maruyama, K. Hirakawa, J. Haruyama
Journal: AIP Advances
AIP Advances 12, 105210 (2022)
https://doi.org/10.1063/5.0098198
Published: October 2022
View article titled, Electrical hysteresis characteristics in photogenerated currents on laser-beam-derived in-plane lateral 1D MoS<sub>2</sub>-Schottky junctions
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Journal Articles

Electric-field control of conductance in metal quantum point contacts by electric-double-layer gating

K. Shibata, K. Yoshida, K. Daiguji, H. Sato, T. Ii, K. Hirakawa
Journal: Applied Physics Letters
Appl. Phys. Lett. 111, 153104 (2017)
https://doi.org/10.1063/1.4995318
Published: October 2017
View article titled, Electric-field control of conductance in metal quantum point contacts by electric-double-layer gating
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Includes: Supplementary data
Journal Articles

Effect of buckling on the thermal response of microelectromechanical beam resonators

Y. Zhang, S. Hosono, N. Nagai, K. Hirakawa
Journal: Applied Physics Letters
Appl. Phys. Lett. 111, 023504 (2017)
https://doi.org/10.1063/1.4993740
Published: July 2017
View article titled, Effect of buckling on the thermal response of microelectromechanical beam resonators
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Journal Articles

Room temperature, very sensitive thermometer using a doubly clamped microelectromechanical beam resonator for bolometer applications

Y. Zhang, Y. Watanabe, S. Hosono, N. Nagai, K. Hirakawa
Journal: Applied Physics Letters
Appl. Phys. Lett. 108, 163503 (2016)
https://doi.org/10.1063/1.4947444
Published: April 2016
View article titled, Room temperature, very sensitive thermometer using a doubly clamped microelectromechanical beam resonator for bolometer applications
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Journal Articles

Gate-controlled terahertz single electron photovoltaic effect in self-assembled InAs quantum dots

Y. Zhang, K. Shibata, N. Nagai, C. Ndebeka-Bandou, G. Bastard, K. Hirakawa
Journal: Applied Physics Letters
Appl. Phys. Lett. 107, 103103 (2015)
https://doi.org/10.1063/1.4930023
Published: September 2015
View article titled, Gate-controlled terahertz single electron photovoltaic effect in self-assembled InAs quantum dots
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Journal Articles

Single electron transport through site-controlled InAs quantum dots

K. M. Cha, K. Shibata, K. Hirakawa
Journal: Applied Physics Letters
Appl. Phys. Lett. 101, 223115 (2012)
https://doi.org/10.1063/1.4769039
Published: November 2012
View article titled, Single electron transport through site-controlled InAs quantum dots
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Journal Articles

Integrating a plasmonic coupler to photo detector of terahertz frequency

Zhihai Wang, Koji Ishibashi, S. Komiyama, N. Nagai, K. Hirakawa
Journal: Applied Physics Letters
Appl. Phys. Lett. 101, 091114 (2012)
https://doi.org/10.1063/1.4748581
Published: August 2012
View article titled, Integrating a plasmonic coupler to photo detector of terahertz frequency
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Journal Articles

Control of supercurrent in a self-assembled InAs quantum dot Josephson junction by electrical tuning of level overlaps

Y. Kanai, R. S. Deacon, A. Oiwa, K. Yoshida, K. Shibata, K. Hirakawa, S. Tarucha
Journal: Applied Physics Letters
Appl. Phys. Lett. 100, 202109 (2012)
https://doi.org/10.1063/1.4719072
Published: May 2012
View article titled, Control of supercurrent in a self-assembled InAs quantum dot Josephson junction by electrical tuning of level overlaps
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Journal Articles

Non-equilibrium Green’s function calculation for GaN-based terahertz-quantum cascade laser structures

H. Yasuda, T. Kubis, I. Hosako, K. Hirakawa
Journal: Journal of Applied Physics
J. Appl. Phys. 111, 083105 (2012)
https://doi.org/10.1063/1.4704389
Published: April 2012
View article titled, Non-equilibrium Green’s function calculation for GaN-based terahertz-quantum cascade laser structures
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Journal Articles

Excitonic and Continuum Contributions to Terahertz Emission from Semiconductor Superlattices

T. Ihara, K. Hirakawa, J. R. Cardenas, R. Ferreira, G. Bastard
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1399, 427–428 (2011)
https://doi.org/10.1063/1.3666436
Published: December 2011
View article titled, Excitonic and Continuum Contributions to Terahertz Emission from Semiconductor Superlattices
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Journal Articles

Chemical composition and thermal stability of GaAs oxides grown by AFM anodic oxidation for site‐controlled growth of InAs quantum dots

K. M. Cha, K. Shibata, I. Horiuchi, M. Kamiko, R. Yamamoto, K. Hirakawa
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1399, 239–240 (2011)
https://doi.org/10.1063/1.3666343
Published: December 2011
View article titled, Chemical composition and thermal stability of GaAs oxides grown by AFM anodic oxidation for site‐controlled growth of InAs quantum dots
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Journal Articles

Side‐gate controlled electrical properties of superconducting quantum interference device coupled with self‐assembled InAs quantum dot

S. Kim, R. Ishiguro, M. Kamio, Y. Doda, E. Watanabe, D. Tsuya, K. Shibata, K. Hirakawa, H. Takayanagi
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1399, 383–384 (2011)
https://doi.org/10.1063/1.3666414
Published: December 2011
View article titled, Side‐gate controlled electrical properties of superconducting quantum interference device coupled with self‐assembled InAs quantum dot
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Journal Articles

Spin‐orbit interaction detection using Kondo effect in single self‐assembled InAs quantum dots

Y. Kanai, R. S. Deacon, S. Takahashi, A. Oiwa, K. Yoshida, K. Shibata, Y. Tokura, K. Hirakawa, S. Tarucha
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1399, 355–356 (2011)
https://doi.org/10.1063/1.3666400
Published: December 2011
View article titled, Spin‐orbit interaction detection using Kondo effect in single self‐assembled InAs quantum dots
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Journal Articles

Growth of self‐assembled InAs quantum dashes and their applications to single electron transistors

K. Shibata, K. Seki, K. M. Cha, I. Horiuchi, K. Hirakawa
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1399, 273–274 (2011)
https://doi.org/10.1063/1.3666359
Published: December 2011
View article titled, Growth of self‐assembled InAs quantum dashes and their applications to single electron transistors
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Journal Articles

Boltzmann Approach Beyond the Relaxation Time Approximation for Transient Bloch Emission from Semiconductor Superlattices

M. Grochol, T. Ihara, R. Ferreira, K. Hirakawa, G. Bastard
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1399, 359–360 (2011)
https://doi.org/10.1063/1.3666402
Published: December 2011
View article titled, Boltzmann Approach Beyond the Relaxation Time Approximation for Transient Bloch Emission from Semiconductor Superlattices
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Journal Articles

Remote impurity scattering in Si MOSFETs with thin gate oxides ‐ possible screening effect by mobile charges in the gate electrodes ‐

K. H. Park, S. Takagi, K. Hirakawa
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1399, 353–354 (2011)
https://doi.org/10.1063/1.3666399
Published: December 2011
View article titled, Remote impurity scattering in Si MOSFETs with thin gate oxides ‐ possible screening effect by mobile charges in the gate electrodes ‐
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Journal Articles

Electronic structures in single self-assembled InAs quantum dashes detected by nanogap metal electrodes

K. Shibata, K. Seki, P. J. J. Luukko, E. Räsänen, K. M. Cha, I. Horiuchi, K. Hirakawa
Journal: Applied Physics Letters
Appl. Phys. Lett. 99, 182104 (2011)
https://doi.org/10.1063/1.3659479
Published: November 2011
View article titled, Electronic structures in single self-assembled InAs quantum dashes detected by nanogap metal electrodes
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Journal Articles

π junction transition in InAs self-assembled quantum dot coupled with SQUID

S. Kim, R. Ishiguro, M. Kamio, Y. Doda, E. Watanabe, D. Tsuya, K. Shibata, K. Hirakawa, H. Takayanagi
Journal: Applied Physics Letters
Appl. Phys. Lett. 98, 063106 (2011)
https://doi.org/10.1063/1.3552715
Published: February 2011
View article titled, π junction transition in InAs self-assembled quantum dot coupled with SQUID
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