D-Index & Metrics Best Publications

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 52 Citations 8,872 345 World Ranking 6532 National Ranking 411

Overview

What is he best known for?

The fields of study he is best known for:

  • Optics
  • Electron
  • Organic chemistry

His scientific interests lie mostly in Liquid crystal, Optoelectronics, Optics, Condensed matter physics and Bent molecular geometry. His research in Liquid crystal intersects with topics in Antiferroelectricity, Ferroelectricity, Crystallography, Phase and Molecule. His Ferroelectricity study incorporates themes from Phase transition, Second-harmonic generation and Contrast ratio.

His Optoelectronics research includes elements of Thin film and OLED. His Condensed matter physics research includes themes of Dipole, Crystallization, Thermal and Lithography. The various areas that Ken Ishikawa examines in his Bent molecular geometry study include Mesogen, Chirality and Core.

His most cited work include:

  • Light extraction from organic light-emitting diodes enhanced by spontaneously formed buckles (477 citations)
  • Antiferroelectric chiral smectic liquid crystals (452 citations)
  • Electro-tunable optical diode based on photonic bandgap liquid-crystal heterojunctions. (237 citations)

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

His primary scientific interests are in Liquid crystal, Optics, Condensed matter physics, Crystallography and Phase. His studies in Liquid crystal integrate themes in fields like Antiferroelectricity, Ferroelectricity, Phase transition, Second-harmonic generation and Bent molecular geometry. His Optics research incorporates themes from Optoelectronics and Molecular physics.

His research integrates issues of OLED, Laser and Thin film in his study of Optoelectronics. His Condensed matter physics research integrates issues from Layer, Tilt and Dielectric. His Crystallography research incorporates elements of Chirality, Stereochemistry, Molecule and Rubbing.

He most often published in these fields:

  • Liquid crystal (58.51%)
  • Optics (30.93%)
  • Condensed matter physics (24.48%)

What were the highlights of his more recent work (between 2008-2021)?

  • Liquid crystal (58.51%)
  • Condensed matter physics (24.48%)
  • Crystallography (23.71%)

In recent papers he was focusing on the following fields of study:

Ken Ishikawa mainly investigates Liquid crystal, Condensed matter physics, Crystallography, Phase and Optics. The study incorporates disciplines such as Phase transition, Bent molecular geometry and Molecule in addition to Liquid crystal. His Condensed matter physics research is multidisciplinary, incorporating elements of Dipole and Ferroelectricity, Dielectric.

His studies deal with areas such as Chemical physics, Chirality, Organic chemistry and Atmospheric temperature range as well as Crystallography. The Phase study combines topics in areas such as Molecular physics, Second-harmonic generation and Cluster. His research on Optics often connects related areas such as Optoelectronics.

Between 2008 and 2021, his most popular works were:

  • Light extraction from organic light-emitting diodes enhanced by spontaneously formed buckles (477 citations)
  • Enhanced Optical Activity by Achiral Rod-Like Molecules Nanosegregated in the B4 Structure of Achiral Bent-Core Molecules (71 citations)
  • Liquid crystalline amorphous blue phase and its large electrooptical Kerr effect (57 citations)

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

  • Optics
  • Electron
  • Organic chemistry

Ken Ishikawa mostly deals with Liquid crystal, Condensed matter physics, Optics, Optoelectronics and Crystallography. His Liquid crystal research includes themes of Bent molecular geometry, Phase, Atmospheric temperature range and Bistability. His Phase study integrates concerns from other disciplines, such as Antiferroelectricity and Stereochemistry.

His Condensed matter physics study combines topics in areas such as Dipole, Transition dipole moment and Isotropy. When carried out as part of a general Optics research project, his work on Chirality and Microscopy is frequently linked to work in Single domain and Polarity, therefore connecting diverse disciplines of study. As part of the same scientific family, he usually focuses on Optoelectronics, concentrating on OLED and intersecting with Extraction, Light-emitting diode and Electrode.

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

Antiferroelectric chiral smectic liquid crystals

Atsuo Fukuda;Yoichi Takanishi;Tadaaki Isozaki;Ken Ishikawa.
Journal of Materials Chemistry (1994)

712 Citations

Light extraction from organic light-emitting diodes enhanced by spontaneously formed buckles

Won Hoe Koo;Soon Moon Jeong;Fumito Araoka;Ken Ishikawa.
Nature Photonics (2010)

616 Citations

Electro-tunable optical diode based on photonic bandgap liquid-crystal heterojunctions.

Jisoo Hwang;Myoung Hoon Song;Byoungchoo Park;Byoungchoo Park;Suzushi Nishimura.
Nature Materials (2005)

341 Citations

Fabrication of a simultaneous red-green-blue reflector using single-pitched cholesteric liquid crystals.

Na Young Ha;Youko Ohtsuka;Soon Moon Jeong;Suzushi Nishimura.
Nature Materials (2008)

220 Citations

Nonlinear optical properties of highly oriented polydiacetylene evaporated films

T. Kanetake;K. Ishikawa;T. Hasegawa;T. Koda.
Applied Physics Letters (1989)

172 Citations

(Tetrathiafulvalene)(tetracyanoquinodimethane) as a low-contact-resistance electrode for organic transistors

Koji Shibata;Hiroshi Wada;Ken Ishikawa;Hideo Takezoe.
Applied Physics Letters (2007)

141 Citations

Orientation of alkyl chains and hindered rotation of carbonyl groups in the smectic-C * phase of antiferroelectric liquid crystals studied by polarized Fourier transform infrared spectroscopy

Kyeong Hyeon Kim;Ken Ishikawa;Hideo Takezoe;Atsuo Fukuda.
Physical Review E (1995)

127 Citations

A racemic layer structure in a chiral bent-core ferroelectric liquid crystal

M. Nakata;D. R. Link;F. Araoka;J. Thisayukta.
Liquid Crystals (2001)

123 Citations

Defect-mode lasing with lowered threshold in a three-layered hetero-cholesteric liquid-crystal structure

Myoung Hoon Song;Na Young Ha;Kazuhiro Amemiya;Byoungchoo Park.
Advanced Materials (2006)

122 Citations

Enhanced Optical Activity by Achiral Rod-Like Molecules Nanosegregated in the B4 Structure of Achiral Bent-Core Molecules

Taketo Otani;Fumito Araoka;Ken Ishikawa;Hideo Takezoe.
Journal of the American Chemical Society (2009)

116 Citations

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