D-Index & Metrics Best Publications
Yoshihiro Hamakawa

Yoshihiro Hamakawa

D-Index & Metrics D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines.

Discipline name D-index D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines. Citations Publications World Ranking National Ranking
Materials Science D-index 53 Citations 8,536 452 World Ranking 6319 National Ranking 394

Overview

What is he best known for?

The fields of study Yoshihiro Hamakawa is best known for:

  • Semiconductor
  • Electron
  • Silicon

In the subject of Optics, Yoshihiro Hamakawa integrates adjacent academic fields such as Infrared, Brightness and Absorption (acoustics). In his study, Yoshihiro Hamakawa carries out multidisciplinary Infrared and Optics research. His Absorption (acoustics) study often links to related topics such as Composite material. In his work, he performs multidisciplinary research in Composite material and Silicon carbide. In his study, Yoshihiro Hamakawa carries out multidisciplinary Optoelectronics and Band gap research. His work blends Band gap and Doping studies together. He performs integrative study on Doping and Dopant. His Nanotechnology study frequently draws connections between related disciplines such as Electroluminescence. Yoshihiro Hamakawa performs multidisciplinary study in Silicon and Boron in his work.

His most cited work include:

  • Properties and structure ofa‐SiC:H for high‐efficiencya‐Si solar cell (466 citations)
  • a‐SiC:H/a‐Si:H heterojunction solar cell having more than 7.1% conversion efficiency (237 citations)
  • Preparation and basic properties of PbTiO3ferroelectric thin films and their device applications (150 citations)

What are the main themes of his work throughout his whole career to date

Among his Quantum mechanics studies, you can observe a synthesis of other disciplines of science such as Condensed matter physics, Optics and Electron. Yoshihiro Hamakawa performs integrative study on Optics and Quantum mechanics in his works. Yoshihiro Hamakawa applies his multidisciplinary studies on Optoelectronics and Band gap in his research. He integrates many fields, such as Silicon and Solar cell, in his works. Yoshihiro Hamakawa integrates Solar cell with Silicon in his study. Nanotechnology and Thin film are frequently intertwined in his study. His research on Thin film frequently links to adjacent areas such as Nanotechnology. His research combines Amorphous solid and Crystallography. Amorphous solid and Crystallography are commonly linked in his work.

Yoshihiro Hamakawa most often published in these fields:

  • Optoelectronics (83.19%)
  • Silicon (45.13%)
  • Nanotechnology (44.25%)

What were the highlights of his more recent work (between 1996-2005)?

  • Internal medicine (38.46%)
  • Quantum mechanics (38.46%)
  • Nanotechnology (38.46%)

In recent works Yoshihiro Hamakawa was focusing on the following fields of study:

His Ischemia study is focused on Middle cerebral artery and Penumbra. His Middle cerebral artery study frequently intersects with other fields, such as Ischemia. In the subject of Programming language, he integrates adjacent academic fields such as Crystal (programming language) and Erasure. Yoshihiro Hamakawa performs integrative Crystal (programming language) and Programming language research in his work. Yoshihiro Hamakawa combines topics linked to Receptor with his work on Internal medicine. Receptor is closely attributed to Internal medicine in his work. Yoshihiro Hamakawa performs integrative study on Quantum mechanics and Nuclear magnetic resonance in his works. Yoshihiro Hamakawa combines Nuclear magnetic resonance and Quantum mechanics in his research. His study brings together the fields of Chemical vapor deposition and Nanotechnology.

Between 1996 and 2005, his most popular works were:

  • Targeting of post-ischemic cerebral endothelium in rat by liposomes bearing polyethylene glycol-coupled transferrin (66 citations)
  • Enhanced phosphorylation of PTEN in rat brain after transient middle cerebral artery occlusion (54 citations)
  • Functional improvement by electro-acupuncture after transient middle cerebral artery occlusion in rats (28 citations)

In his most recent research, the most cited works focused on:

  • Endothelium
  • Cerebral circulation
  • Blood–brain barrier

Middle cerebral artery and Penumbra are the subject areas of his Ischemia study. His study brings together the fields of Ischemia and Middle cerebral artery. His study brings together the fields of Endothelium and Internal medicine. He applies his multidisciplinary studies on Endothelium and Blood–brain barrier in his research. Yoshihiro Hamakawa performs integrative Pathology and Immunohistochemistry research in his work. He combines Immunohistochemistry and Pathology in his studies. He incorporates Pharmacology and Biochemistry in his studies. Yoshihiro Hamakawa brings together Biochemistry and Pharmacology to produce work in his papers. His research combines Stroke (engine) and Mechanical engineering.

This overview was generated by a machine learning system which analysed the scientist’s body of work. If you have any feedback, you can contact us here.

Best Publications

Properties and structure of a‐SiC:H for high‐efficiency a‐Si solar cell

Y. Tawada;K. Tsuge;M. Kondo;H. Okamoto.
Journal of Applied Physics (1982)

673 Citations

Hydrogenated amorphous silicon carbide as a window material for high efficiency a-Si solar cells

Yoshihisa Tawada;Masataka Kondo;Hiroaki Okamoto;Yoshihiro Hamakawa.
Solar Energy Materials (1982)

247 Citations

Flexible photovoltaic device

Yoshihiro Hamakawa;Yoshihisa Tawada;Kazunori Tsuge;Masanobu Izumina.
(1982)

214 Citations

Preparation and basic properties of PbTiO3 ferroelectric thin films and their device applications

M. Okuyama;Y. Hamakawa.
Ferroelectrics (1985)

202 Citations

Cu(In,Ga)Se2 solar cells with controlled conduction band offset of window/Cu(In,Ga)Se2 layers

Takashi Minemoto;Yasuhiro Hashimoto;Takuya Satoh;Takayuki Negami.
Journal of Applied Physics (2001)

191 Citations

Optoelectronics and Photovoltaic Applications of Microcrystalline Sic

Y. Hamakawa;Y. Matsumoto;G. Hirata;H. Okamoto.
MRS Proceedings (1989)

137 Citations

Epitaxial growth of ferroelectric PLZT thin film and their optical properties

M. Okuyama;T. Usuki;Y. Hamakawa;T. Nakagawa.
Applied physics (1980)

129 Citations

Amorphous Si/Polycrystalline Si Stacked Solar Cell Having More Than 12% Conversion Efficiency

Koji Okuda;Hiroaki Okamoto;Yoshihiro Hamakawa.
Japanese Journal of Applied Physics (1983)

123 Citations

Hydrogen Content in a-SiC:H Films Prepared by Plasma Decomposition of Silane and Methane or Ethylene

Fuminori Fujimoto;Akio Ootuka;Ken-ichiro Komaki;Yasushi Iwata.
Japanese Journal of Applied Physics (1984)

120 Citations

Low Temperature Growth of SiO2 Thin Film by Double-Excitation Photo-CVD

Kohji Inoue;Masanori Michimori;Masanori Okuyama;Yoshihiro Hamakawa.
Japanese Journal of Applied Physics (1987)

118 Citations

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