Takashi Jimbo

Overview

Best Publications

• Optical properties of wurtzite structure GaN on sapphire around fundamental absorption edge (0.78–4.77 eV) by spectroscopic ellipsometry and the optical transmission method

  G. Yu;G. Wang;H. Ishikawa;Masayoshi Umeno

  386
  Citations

• Surface passivation effects on AlGaN/GaN high-electron-mobility transistors with SiO2, Si3N4, and silicon oxynitride

  S. Arulkumaran;T. Egawa;H. Ishikawa;T. Jimbo

  357
  Citations

• GaN on Si Substrate with AlGaN/AlN Intermediate Layer

  Hiroyasu Ishikawa;Guang Yuan Zhao;Naoyuki Nakada;Takashi Egawa

  273
  Citations

• Optical properties and X-ray photoelectron spectroscopic study of pure and Pb-doped TiO2 thin films

  M.M. Rahman;K.M. Krishna;T. Soga;T. Jimbo

  267
  Citations

• Investigations of SiO2/n-GaN and Si3N4/n-GaN insulator–semiconductor interfaces with low interface state density

  S. Arulkumaran;T. Egawa;H. Ishikawa;T. Jimbo

  263
  Citations

• Thermal stability of GaN on (111)Si substrate

  Hiroyasu Ishikawa;Kensaku Yamamoto;Takashi Egawa;Tetsuo Soga

  243
  Citations

• Thermal annealing effects on Ni/Au based Schottky contacts on n-GaN and AlGaN/GaN with insertion of high work function metal

  N Miura;T Nanjo;M Suita;T Oishi

  233
  Citations

• Improved characteristics of InGaN multiple-quantum-well light-emitting diode by GaN/AlGaN distributed Bragg reflector grown on sapphire

  N. Nakada;M. Nakaji;Hiroyasu Ishikawa;T. Egawa

  149
  Citations

• A simple method of producing single-walled carbon nanotubes from a natural precursor: Eucalyptus oil

  Pradip Ghosh;Rakesh A. Afre;T. Soga;T. Jimbo

  147
  Citations

• Characterization of transparent conducting CuI thin films prepared by pulse laser deposition technique

  P.M Sirimanne;M Rusop;T Shirata;T Soga

  145
  Citations

• Structural and optical properties of diamond and nano-diamond films grown by microwave plasma chemical vapor deposition

  T. Sharda;M.M. Rahaman;Y. Nukaya;T. Soga

  145
  Citations

• High-temperature effects of AlGaN/GaN high-electron-mobility transistors on sapphire and semi-insulating SiC substrates

  S. Arulkumaran;T. Egawa;Hiroyasu Ishikawa;T. Jimbo

  140
  Citations

• Improved Characteristics of Blue and Green InGaN-Based Light-Emitting Diodes on Si Grown by Metalorganic Chemical Vapor Deposition.

  Takashi Egawa;Tetsuji Moku;Hiroyasu Ishikawa;Kouji Ohtsuka

  134
  Citations

• Growth of vertically aligned carbon nanotubes on silicon and quartz substrate by spray pyrolysis of a natural precursor: Turpentine oil

  Rakesh A. Afre;T. Soga;T. Jimbo;Mukul Kumar

  130
  Citations

• Spectroscopic properties of nitrogen doped hydrogenated amorphous carbon films grown by radio frequency plasma-enhanced chemical vapor deposition

  Y. Hayashi;G. Yu;M. M. Rahman;K. M. Krishna

  127
  Citations

• Intrinsic ferromagnetism and magnetic anisotropy in Gd-doped ZnO thin films synthesized by pulsed spray pyrolysis method

  M. Subramanian;P. Thakur;M. Tanemura;T. Hihara

  126
  Citations

• Carbon nanotubes by spray pyrolysis of turpentine oil at different temperatures and their studies

  Rakesh A. Afre;T. Soga;T. Jimbo;Mukul Kumar

  121
  Citations

• Recessed gate AlGaN/GaN modulation-doped field-effect transistors on sapphire

  T. Egawa;Hiroyasu Ishikawa;M. Umeno;T. Jimbo

  120
  Citations

• Optical Absorption and Electrical Conductivity of Amorphous Carbon Thin Films from Camphor: A Natural Source

  Sharif Md. Mominuzzaman;Kalaga Murali Krishna;Tetsuo Soga;Takashi Jimbo

  119
  Citations

• Temperature dependence of gate–leakage current in AlGaN/GaN high-electron-mobility transistors

  S. Arulkumaran;T. Egawa;H. Ishikawa;T. Jimbo

  119
  Citations

• Characterization of different-Al-content AlxGa1−xN/GaN heterostructures and high-electron-mobility transistors on sapphire

  S. Arulkumaran;T. Egawa;H. Ishikawa;T. Jimbo

  118
  Citations