• 3564 Citations
  • 21 h-Index
1981 …2019

Research output per year

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Research Output

  • 3564 Citations
  • 21 h-Index
  • 87 Article
  • 8 Conference article
  • 7 Conference contribution
2019
2 Citations (Scopus)
2018

Ground-state molecular and electronic structures of group-IV nanoribbons, nanorings and nanotubes

Matsunaga, Y. K. & Takeda, K., 2018 Jan 1, In : Physical Chemistry Chemical Physics. 20, 37, p. 24353-24368 16 p.

Research output: Contribution to journalArticle

2017
2 Citations (Scopus)

Electronic structure of worm-eaten graphene

Negishi, H. & Takeda, K., 2017 Feb 1, In : Japanese Journal of Applied Physics. 56, 2, 025101.

Research output: Contribution to journalArticle

1 Citation (Scopus)
1 Citation (Scopus)

Theoretical possibility of the chiral recognition of amino acids by a peptide nanoring

Takeuchi, J. & Takeda, K., 2017 Oct 15, In : Computational and Theoretical Chemistry. 1118, p. 53-64 12 p.

Research output: Contribution to journalArticle

2016
2 Citations (Scopus)

Theoretical study on application of peptide nanoring to chiral recognition of amino acid

Takeuchi, J. & Takeda, K., 2016 Mar 1, In : Japanese Journal of Applied Physics. 55, 3, 03DF09.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2014
1 Citation (Scopus)

Reconsideration of relativistic corrections for an electron confined in a two-dimensional quantum dot: I. Spin-orbit coupling and Rashba effect

Yokozuka, T., Ido, K., Clark, R., Takeda, K. & Tokura, Y., 2014 Mar, In : Japanese journal of applied physics. 53, 3, 031801.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2013

Electrical field manipulation of peptide nanotube at finite temperature (a DFT/MD study)

Clark, R., Igami, D. & Takeda, K., 2013 Jan 1, Physics of Semiconductors - Proceedings of the 31st International Conference on the Physics of Semiconductors, ICPS 2012. American Institute of Physics Inc., p. 185-186 2 p. (AIP Conference Proceedings; vol. 1566).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Spin-orbit interaction and novel shell structure for multi-electron system confined in 2D QD

Yokozuka, T., Ido, K., Clark, R. & Takeda, K., 2013 Jan 1, Physics of Semiconductors - Proceedings of the 31st International Conference on the Physics of Semiconductors, ICPS 2012. American Institute of Physics Inc., p. 355-356 2 p. (AIP Conference Proceedings; vol. 1566).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Theoretical studies on proton transfer in ammonium nitrate monomer and dimer

Takeuchi, J., Masuda, Y., Clark, R. & Takeda, K., 2013 Jan 1, In : Japanese journal of applied physics. 52, 7 PART 1, 076302.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Time-dependent configuration interaction approach for multielectron system confined in two-dimensional quantum dot

Okunishi, T., Clark, R., Takeda, K., Kusakabe, K. & Tomita, N., 2013 Feb 1, In : Japanese journal of applied physics. 52, 2, 022801.

Research output: Contribution to journalArticle

Time-dependent resonant UHF CI approach for the photo-induced dynamics of the multi-electron system confined in 2D QD

Okunishi, T., Clark, R., Takeda, K., Kusakabe, K. & Tomita, N., 2013 Jan 1, Physics of Semiconductors - Proceedings of the 31st International Conference on the Physics of Semiconductors, ICPS 2012. American Institute of Physics Inc., p. 532-533 2 p. (AIP Conference Proceedings; vol. 1566).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2012

Optical characterization and computational chemical evaluation of electronic localized states in polyolefin

Arai, T., Hosobuchi, M., Fuse, N., Takeda, K. & Ohki, Y., 2012 Oct 9, In : IEEJ Transactions on Fundamentals and Materials. 132, 9, p. 760-766 7 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Resonating UHF study on electron correlation in a ground state of two electrons confined in 2D quantum dot

Okunishi, T. & Takeda, K., 2012 Dec 1, Dynamics in Confined Systems and Functional Interfaces. p. 13-18 6 p. (Materials Research Society Symposium Proceedings; vol. 1423).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Shape of polygonal quantum dots and ground-state instability in the spin polarization

Ishizuki, M., Takemiya, H., Okunishi, T., Takeda, K. & Kusakabe, K., 2012 Apr 18, In : Physical Review B - Condensed Matter and Materials Physics. 85, 15, 155316.

Research output: Contribution to journalArticle

15 Citations (Scopus)
2011

Ground state instability in spin polarization for electrons confined in two-dimensional square quantum dots

Negishi, Y., Ishizuki, M., Okunishi, T. & Takeda, K., 2011 Aug 1, In : Japanese journal of applied physics. 50, 8 PART 1, 085001.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Molecular dynamical study on ion channeling through peptide nanotube

Sumiya, N., Igami, D. & Takeda, K., 2011 Dec 1, Physics of Semiconductors - 30th International Conference on the Physics of Semiconductors, ICPS-30. p. 1055-1056 2 p. (AIP Conference Proceedings; vol. 1399).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Molecular dynamics approach of ion channeling through peptide nanotubes

Sumiya, N., Igami, D. & Takeda, K., 2011 Mar 1, In : Japanese journal of applied physics. 50, 3, 037002.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Self-induced oscillation for electron-hole pair confined in quantum dot

Tagawa, T., Tsubaki, A., Ishizuki, M. & Takeda, K., 2011 Dec 1, Physics of Semiconductors - 30th International Conference on the Physics of Semiconductors, ICPS-30. p. 365-366 2 p. (AIP Conference Proceedings; vol. 1399).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Singlet-triplet ground-state instability in square quantum dot

Negishi, Y., Ishizuki, M., Tsubaki, A., Takeda, K., Asari, Y. & Ohno, T., 2011 Dec 1, Physics of Semiconductors - 30th International Conference on the Physics of Semiconductors, ICPS-30. p. 497-498 2 p. (AIP Conference Proceedings; vol. 1399).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2010

Electron resonant tunneling through a circle-ring multicomponent quantum system

Sugiyama, K., Okunishi, T., Muraguchi, M. & Takeda, K., 2010 Mar 9, In : Physical Review B - Condensed Matter and Materials Physics. 81, 11, 115309.

Research output: Contribution to journalArticle

3 Citations (Scopus)
2009

Conformational transitions of cyclic D,L-peptides

Okamoto, H., Yamada, T., Kihara, S., Takechi, K., Takagi, H. & Takeda, K., 2009 Apr 30, In : Journal of Computational Chemistry. 30, 6, p. 962-973 12 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Molecular dynamical approach to the conformational transition in peptide nanorings and nanotubes

Teranishi, M., Okamoto, H., Takeda, K., Nomura, K. I., Nakano, A., Kalia, R. K., Vashishta, P. & Shimojo, F., 2009 Feb 5, In : Journal of Physical Chemistry B. 113, 5, p. 1473-1484 12 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Resonating Hartree-Fock approach for electrons confined in two dimentional square quantum dots

Okunishi, T., Negishi, Y., Muraguchi, M. & Takeda, K., 2009 Dec 1, In : Japanese journal of applied physics. 48, 12, 125002.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Theoretical study of the time-dependent phenomenon of photon-assisted tunneling through a charged quantum dot

Muraguchi, M., Shiraishi, K., Okunishi, T. & Takeda, K., 2009 Apr 9, In : Journal of Physics Condensed Matter. 21, 6, 064230.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2008

Chelation of transition metal ions by peptide nanoring

Kihara, S., Takagi, H., Takechi, K. & Takeda, K., 2008 Jun 26, In : Journal of Physical Chemistry B. 112, 25, p. 7631-7644 14 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)
2007
13 Citations (Scopus)

Interstate interference of electron wave packet tunneling through a quantum ring

Okunishi, T., Ohtsuka, Y., Muraguchi, M. & Takeda, K., 2007 Jun 8, In : Physical Review B - Condensed Matter and Materials Physics. 75, 24, 245314.

Research output: Contribution to journalArticle

19 Citations (Scopus)

Theoretical study on amphi-ionophorability of peptide nanorings

Yamada, T., Takechi, K., Nakanishi, T., Okamoto, H. & Takeda, K., 2007 Nov 6, In : Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 46, 11, p. 7586-7595 10 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2006
9 Citations (Scopus)
2005

Difference in self-assembling morphology of peptide nanorings

Okamoto, H., Yamada, T., Miyazaki, H., Nakanishi, T., Takeda, K., Usui, K., Obataya, I., Mhara, H., Azehara, H., Mizutani, W., Hashimoto, K., Yamaguchi, H. & Hirayama, Y., 2005 Nov 9, In : Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 44, 11, p. 8240-8248 9 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

IR-study on stacking manner of peptide nanorings in peptide nanotubes

Nagai, Y., Nakanishi, T., Okamoto, H., Takeda, K., Furukawa, Y., Usui, K. & Mihara, H., 2005 Oct 11, In : Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 44, 10, p. 7654-7661 8 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Molecular design and morphology of peptide nanotubes: Towards the novel drug delivery materials

Okamoto, H. & Takeda, K., 2005 Jan 1, In : Journal of Drug Delivery Science and Technology. 15, 1, p. 97-107 11 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
1 Citation (Scopus)

Time-dependent ballistic phenomena of electron injected into half-ellipse confined room

Koiso, T., Muraguchi, M., Takeda, K. & Watanabe, N., 2005 Jun 1, In : Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 44, 6 A, p. 4252-4268 17 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)
2004

A study of the self-assembling morphology in peptide nanorings and nanotubes

Okamoto, H., Nakanishi, T., Nagai, Y., Yamada, T., Miyazaki, H., Takeda, K., Furukawa, Y., Obataya, I., Mihara, H., Azehara, H., Mizutani, W., Hashimoto, K., Yamaguchi, H. & Hirayama, Y., 2004 Dec 1, In : Materials Research Society Symposium Proceedings. EXS, 1, p. 245-247 3 p., H3.9.

Research output: Contribution to journalConference article

1 Citation (Scopus)

Electronic structures of polyheterole monomers, oligomers, polymers and their block copolymers

Narita, Y., Hagiri, I., Takahashi, N. & Takeda, K., 2004 Jul 1, In : Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 43, 7 A, p. 4248-4258 11 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)
2 Citations (Scopus)

Theoretical Possibility of the Variety of Ground-State Spin Arrangements Created by the Spin Hole and Spin Cap in π-Conjugated System

Hagiri, I., Takahashi, N. & Takeda, K., 2004 Mar 25, In : Journal of Physical Chemistry A. 108, 12, p. 2290-2304 15 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)
2003

Atomic and electronic structure of misfit dislocations in GaSb/GaAs(0 0 1)

Miyagishima, N., Shinoda, T., Suzuki, K., Kaneko, T., Takeda, K., Shiraishi, K. & Ito, T., 2003 Dec 31, In : Physica B: Condensed Matter. 340-342, p. 1009-1012 4 p.

Research output: Contribution to journalConference article

2 Citations (Scopus)

Polymorphy in the Stereostructure of Periodic Polymer Backbones

Nakanishi, T., Okamoto, H., Kasahara, M. & Takeda, K., 2003 Nov 15, In : Journal of Polymer Science, Part B: Polymer Physics. 41, 22, p. 2829-2849 21 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Theoretical prediction and atomic force microscope observations of the protein nanotube consisting of homo-L-amino acid penta-peptide nanorings

Okamoto, H., Nakanishi, T., Nagai, Y., Takeda, K., Obataya, I., Mihara, H., Azehara, H. & Mizutani, W., 2003 Feb 1, In : Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 42, 2 A, p. 676-679 4 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Variety of the molecular conformation in peptide nanorings and nanotubes

Okamoto, H., Nakanishi, T., Nagai, Y., Kasahara, M. & Takeda, K., 2003 Mar 5, In : Journal of the American Chemical Society. 125, 9, p. 2756-2769 14 p.

Research output: Contribution to journalArticle

49 Citations (Scopus)
2002

Energetics in the growth mechanism of semiconductor heteroepitaxy

Miyagishima, N., Okajima, K., Oyama, N., Shiraishi, K., Takeda, K., Ohno, T. & Ito, T., 2002 Apr, In : Journal of Crystal Growth. 237-239, 1 4 II, p. 1599-1602 4 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

First principles and macroscopic theories of semiconductor epitaxial growth

Shiraishi, K., Oyama, N., Okajima, K., Miyagishima, N., Takeda, K., Yamaguchi, H., Ito, T. & Ohno, T., 2002 Apr, In : Journal of Crystal Growth. 237-239, 1 4 I, p. 206-211 6 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Synthesis and atomic force microscopy observations of the single-peptide nanotubes and their micro-order assemblies

Nakanishi, T., Okamoto, H., Nagai, Y., Takeda, K., Obataya, I., Mihara, H., Azehara, H., Suzuki, Y., Mizutani, W., Furukawa, K. & Torimitsu, K., 2002 Jan 1, In : Physical Review B - Condensed Matter and Materials Physics. 66, 16, p. 1-8 8 p.

Research output: Contribution to journalArticle

20 Citations (Scopus)