What is he best known for?
The fields of study he is best known for:
- Quantum mechanics
- Organic chemistry
- Molecule
Koji Ohta mostly deals with Diradical, Photochemistry, Singlet state, Two-photon absorption and Density functional theory.
Koji Ohta regularly ties together related areas like Computational chemistry in his Diradical studies.
His biological study spans a wide range of topics, including Ab initio, Molecule, Molecular orbital and Chemical bond.
His Photochemistry research incorporates themes from Acceptor, Nile red, Absorption, Acetonitrile and Absorption spectroscopy.
The concepts of his Singlet state study are interwoven with issues in Hyperpolarizability, Molecular physics, Nonlinear optics and Open shell.
His work in Two-photon absorption tackles topics such as Dimer which are related to areas like Aromaticity, Ground state, Supramolecular chemistry, Absorption cross section and Imidazole.
His most cited work include:
- Optically active poly(triphenylmethyl methacrylate) with one-handed helical conformation (355 citations)
- Second Hyperpolarizability (γ) of Singlet Diradical System: Dependence of γ on the Diradical Character (230 citations)
- Relationship between third-order nonlinear optical properties and magnetic interactions in open-shell systems: a new paradigm for nonlinear optics. (214 citations)
What are the main themes of his work throughout his whole career to date?
His scientific interests lie mostly in Photochemistry, Diradical, Singlet state, Two-photon absorption and Density functional theory.
His studies deal with areas such as Crystallography, Dimer, Molecule and Absorption spectroscopy as well as Photochemistry.
The various areas that he examines in his Diradical study include Molecular physics, Computational chemistry, Open shell and Molecular orbital.
His Singlet state research is multidisciplinary, incorporating perspectives in Configuration interaction, Ab initio, Coupled cluster, Hyperpolarizability and Solvent effects.
Koji Ohta interconnects Absorption, Conjugated system, Chromophore and Spectral line in the investigation of issues within Two-photon absorption.
His Density functional theory research also works with subjects such as
- Condensed matter physics which intersects with area such as Third order nonlinear,
- Radical which intersects with area such as Acetylene.
He most often published in these fields:
- Photochemistry (30.61%)
- Diradical (27.21%)
- Singlet state (24.49%)
What were the highlights of his more recent work (between 2008-2017)?
- Diradical (27.21%)
- Singlet state (24.49%)
- Photochemistry (30.61%)
In recent papers he was focusing on the following fields of study:
His main research concerns Diradical, Singlet state, Photochemistry, Density functional theory and Two-photon absorption.
His Diradical research is multidisciplinary, incorporating elements of Chemical physics, Polarizability, Open shell, Ground state and Molecular orbital.
He has researched Singlet state in several fields, including Valence, Molecular physics, Configuration interaction, Hyperpolarizability and Computational chemistry.
His studies deal with areas such as Acceptor, Crystallography, Dimer, Molecule and Solvent effects as well as Photochemistry.
His Density functional theory research incorporates themes from Triplet state, Condensed matter physics and Graphene.
His work deals with themes such as Conjugated system, Cationic polymerization and Chromophore, which intersect with Two-photon absorption.
Between 2008 and 2017, his most popular works were:
- Singlet Diradical Character from Experiment (119 citations)
- Impact of diradical character on two-photon absorption: bis(acridine) dimers synthesized from an allenic precursor. (96 citations)
- Giant Enhancement of the Second Hyperpolarizabilities of Open-Shell Singlet Polyaromatic Diphenalenyl Diradicaloids by an External Electric Field and Donor–Acceptor Substitution (95 citations)
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