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Takashi Kubo

Researcher at Osaka University

Publications -  331
Citations -  9948

Takashi Kubo is an academic researcher from Osaka University. The author has contributed to research in topics: Diradical & Singlet state. The author has an hindex of 50, co-authored 286 publications receiving 8642 citations. Previous affiliations of Takashi Kubo include University of Hyogo & Université de Namur.

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Direct quantitative measurement of the C═O⋅⋅⋅H-C bond by atomic force microscopy.

TL;DR: The direct measurement of the interaction with a hydrogen atom paves the way for the identification of three-dimensional molecules such as DNAs and polymers, building the capabilities of AFM toward quantitative probing of local chemical reactivity.
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Long-range corrected density functional theory study on static second hyperpolarizabilities of singlet diradical systems.

TL;DR: Within the spin-unrestricted density functional theory (DFT) the long-range correction (LC) scheme combined with the Becke-Lee-Yang-Parr exchange-correlation functional has been applied to the calculation of the second hyperpolarizability of open-shell singlet diradical systems of increasing complexity and has demonstrated good performance.
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Theoretical study on the second hyperpolarizabilities of phenalenyl radical systems involving acetylene and vinylene linkers: diradical character and spin multiplicity dependences.

TL;DR: The present results provide a possibility of a novel control scheme of gamma for phenalenyl radical systems involving pi-conjugated linkers by adjusting the diradical character through the change of the linked position of pi- Conjugate linkers and the spin multiplicity.
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Theoretical study on third-order nonlinear optical properties in hexagonal graphene nanoflakes: Edge shape effect

TL;DR: In this article, the second hyperpolarizabilities (c )o f hexagonal shaped finite graphene fragments, referred to as hexagonal graphene nanoflakes (HGNFs), with two types of edge shapes: zigzag (Z) and armchair (A) edges.