Kazuhiko Hirakawa

Kazuhiko Hirakawa publication distribution in Materials Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Materials Science in 2026. The highlighted bar marks where Kazuhiko Hirakawa sits on this spectrum.

Kazuhiko Hirakawa D-index placement in Materials Science in 2026

The chart shows the D-index (discipline H-index) distribution of Materials Science scientists ranked by Research.com in 2026. The highlighted bar marks where Kazuhiko Hirakawa sits on this spectrum.

Best Publications

• Interface roughness scattering in GaAs/AlAs quantum wells

  H. Sakaki;T. Noda;K. Hirakawa;M. Tanaka

  880
  Citations

• Mobility of the two-dimensional electron gas at selectively doped n -type AlxGa1-xAs/GaAs heterojunctions with controlled electron concentrations.

  Kazuhiko Hirakawa;Hiroyuki Sakaki

  433
  Citations

• Intrinsic electron accumulation layers on reconstructed clean InAs(100) surfaces.

  M. Noguchi;K. Hirakawa;T. Ikoma

  321
  Citations

• Bound-to-continuum intersubband photoconductivity of self-assembled InAs quantum dots in modulation-doped heterostructures

  S.-W. Lee;K. Hirakawa;Y. Shimada

  303
  Citations

• Energy relaxation of two‐dimensional electrons and the deformation potential constant in selectively doped AlGaAs/GaAs heterojunctions

  K. Hirakawa;H. Sakaki

  211
  Citations

• Fabrication of graphene nanoribbon by local anodic oxidation lithography using atomic force microscope

  Satoru Masubuchi;Masashi Ono;Kenji Yoshida;Kazuhiko Hirakawa

  209
  Citations

• Machine-Learning-Optimized Aperiodic Superlattice Minimizes Coherent Phonon Heat Conduction

  Run Hu;Run Hu;Sotaro Iwamoto;Lei Feng;Shenghong Ju

  156
  Citations

• Single-photon detector in the microwave range

  O. Astafiev;S. Komiyama;T. Kutsuwa;V. Antonov

  155
  Citations

• MEMS reconfigurable metamaterial for terahertz switchable filter and modulator

  Zhengli Han;Kenta Kohno;Hiroyuki Fujita;Kazuhiko Hirakawa

  154
  Citations

• Far‐infrared emission spectroscopy of hot two‐dimensional plasmons in Al0.3Ga0.7As/GaAs heterojunctions

  K. Hirakawa;K. Yamanaka;M. Grayson;D. C. Tsui

  135
  Citations

• Kondo universal scaling for a quantum dot coupled to superconducting leads.

  Christo Buizert;Akira Oiwa;Kenji Shibata;Kazuhiro Hirakawa

  132
  Citations

• Mobility modulation of the two-dimensional electron gas via controlled deformation of the electron wave function in selectively doped AlGaAs-GaAs heterojunctions.

  K. Hirakawa;H. Sakaki;J. Yoshino

  129
  Citations

• Terahertz conductivity and possible BLOCH gain in semiconductor superlattices.

  Y Shimada;K Hirakawa;Maxim Odnoblioudov;Koung-An Chao

  126
  Citations

• Charge-sensitive infrared phototransistors : Characterization by an all-cryogenic spectrometer

  Takeji Ueda;Zhenghua An;Kazuhiko Hirakawa;Susumu Komiyama

  121
  Citations

• Phase coherence length of electron waves in narrow AlGaAs/GaAs quantum wires fabricated by focused ion beam implantation

  Toshiro Hiramoto;Kazuhiko Hirakawa;Yasuhiro Iye;Toshiaki Ikoma

  117
  Citations

• Gate-tunable large negative tunnel magnetoresistance in Ni-C60-Ni single molecule transistors.

  Kenji Yoshida;Ikutaro Hamada;Shuichi Sakata;Akinori Umeno

  112
  Citations

• Concentration of electrons in selectively doped GaAlAs/GaAs heterojunction and its dependence on spacer‐layer thickness and gate electric field

  K. Hirakawa;H. Sakaki;J. Yoshino

  112
  Citations

• Large Anisotropy of the Spin-Orbit Interaction in a Single InAs Self-Assembled Quantum Dot

  S. Takahashi;R. S. Deacon;K. Yoshida;A. Oiwa

  107
  Citations

• Electrically tuned spin–orbit interaction in an InAs self-assembled quantum dot

  Y. Kanai;R. S. Deacon;S. Takahashi;A. Oiwa

  104
  Citations

• Kondo-enhanced Andreev transport in single self-assembled InAs quantum dots contacted with normal and superconducting leads

  R. S. Deacon;Y. Tanaka;A. Oiwa;R. Sakano

  101
  Citations