• 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
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Article
1996

Excitonic exchange splitting and Stokes shift in Si nanocrystals and Si clusters

Takagahara, T. & Takeda, K., 1996 Jan 1, In : Physical Review B - Condensed Matter and Materials Physics. 53, 8, p. R4205-R4208

Research output: Contribution to journalArticle

77 Citations (Scopus)

Theoretical Studies on Electronic Structures of Polypeptide Chains

Takeda, K. & Shiraishi, K., 1996 Jan 1, In : journal of the physical society of japan. 65, 2, p. 421-438 18 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)
1995

Coherent potential approximation approach to electronic structure of DNA

Takeda, K., 1995 Dec, In : Mathematical Biosciences. 130, 2, p. 183-202 20 p.

Research output: Contribution to journalArticle

1994

Electronic band structures of penta-heptagonal carbon networks

Nakada, K., Takeda, K. & Hosoya, H., 1994 Jan 1, In : Journal of Molecular Structure. 311, p. 79-86 8 p.

Research output: Contribution to journalArticle

Electronic band structures of penta-heptagonal carbon networks

Nakada, K., Takeda, K. & Hosoya, H., 1994 Jan 1, In : Journal of Molecular Structure: THEOCHEM. 311, p. 79-86 8 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Electronic structure of random copolymers

Takeda, K., 1994 Dec 1, In : Journal of Mathematical Chemistry. 15, 1, p. 323-337 15 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Exciton confinement on a spherical shell: Visible photoluminescence from oxidized Si and Ge nanoballs

Kanemitsu, Y., Ogawa, T., Shiraishi, K. & Takeda, K., 1994 Apr, In : Journal of Luminescence. 60-61, C, p. 337-339 3 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Photocreated metastable states in polysilanes

Takeda, K., Shiraishi, K., Fujiki, M., Kondo, M. & Morigaki, K., 1994 Jan 1, In : Physical Review B. 50, 8, p. 5171-5179 9 p.

Research output: Contribution to journalArticle

34 Citations (Scopus)

Theoretical possibility of stage corrugation in Si and Ge analogs of graphite

Takeda, K. & Shiraishi, K., 1994 Jan 1, In : Physical Review B. 50, 20, p. 14916-14922 7 p.

Research output: Contribution to journalArticle

690 Citations (Scopus)
1993

Electronic structure of silicon-oxygen high polymers

Takeda, K. & Shiraishi, K., 1993 Jan, In : Solid State Communications. 85, 4, p. 301-305 5 p.

Research output: Contribution to journalArticle

66 Citations (Scopus)

Photocreated metastable state in organopolysilanes

Kondo, M., Morigaki, K., Takeda, K., Shiraishi, K. & Fujiki, M., 1993 Dec 2, In : Journal of Non-Crystalline Solids. 164-166, PART 2, p. 1267-1270 4 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Visible photoluminescence from oxidized Si nanometer-sized spheres: Exciton confinement on a spherical shell

Kanemitsu, Y., Ogawa, T., Shiraishi, K. & Takeda, K., 1993 Jan 1, In : Physical Review B. 48, 7, p. 4883-4886 4 p.

Research output: Contribution to journalArticle

504 Citations (Scopus)
1992

Electronic structure of chain-like polystannane

Takeda, K. & Shiraishi, K., 1992 Jul 17, In : Chemical Physics Letters. 195, 2-3, p. 121-126 6 p.

Research output: Contribution to journalArticle

27 Citations (Scopus)
5 Citations (Scopus)

Theory of the quantum confinement effect on excitons in quantum dots of indirect-gap materials

Takagahara, T. & Takeda, K., 1992 Jan 1, In : Physical Review B. 46, 23, p. 15578-15581 4 p.

Research output: Contribution to journalArticle

870 Citations (Scopus)
1990

Theoretical Study on the Electronic Structure of Si-Ge Copolymers

Takeda, K., Shiraishi, K. & Matsumoto, N., 1990 Jan, In : Journal of the American Chemical Society. 112, 13, p. 5043-5052 10 p.

Research output: Contribution to journalArticle

47 Citations (Scopus)
1989

Ab Initio Studies on Silicon Compounds. 2. On the Gauche Structure of the Parent Polysilane

Teramae, H. & Takeda, K., 1989 Feb 1, In : Journal of the American Chemical Society. 111, 4, p. 1281-1285 5 p.

Research output: Contribution to journalArticle

96 Citations (Scopus)

Electronic structure of Si-skeleton materials

Takeda, K. & Shiraishi, K., 1989 Jan 1, In : Physical Review B. 39, 15, p. 11028-11037 10 p.

Research output: Contribution to journalArticle

115 Citations (Scopus)

The Photoluminescence of Poly(methylphenylsilylene): The Origin of the Long-Wavelength Broad Band

Ito, O., Terazima, M., Azumi, T., Matsumoto, N., Takeda, K. & Fujino, M., 1989 Jul 1, In : Macromolecules. 22, 4, p. 1718-1722 5 p.

Research output: Contribution to journalArticle

64 Citations (Scopus)
1988

Theoretical possibilities for the Peierls instability in polyalkylsilene

Takeda, K. & Kagoshima, S., 1988 Jan 1, In : Physical Review B. 37, 11, p. 6406-6416 11 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)
1987

Electronic structure of organopolysilane

Takeda, K., Teramae, H., Fujino, M., Kagawa, T. & Matsumoto, N., 1987 Mar, In : Synthetic Metals. 19, 1-3, 1 p.

Research output: Contribution to journalArticle

Optical Third-Harmonic Generation from Polydiacetylene Thin Films Deposited by Vacuum Evaporation

Tomaru, S., Kubodera, K., Zembutsu, S., Kubodera, K., Takeda, K. & Hasegawa, M., 1987 Jan 1, In : Electronics Letters. 23, 11, p. 595-596 2 p.

Research output: Contribution to journalArticle

43 Citations (Scopus)

Skeleton side-group interaction in organopolysilane

Takeda, K., Fujino, M., Seki, K. & Inokuchi, H., 1987 Jan 1, In : Physical Review B. 36, 15, p. 8129-8137 9 p.

Research output: Contribution to journalArticle

52 Citations (Scopus)
1986

Electronic Structure of Chainlike Polysilane

Takeda, K., Teramae, H. & Matsumoto, N., 1986 Jan 1, In : Journal of the American Chemical Society. 108, 26, p. 8186-8190 5 p.

Research output: Contribution to journalArticle

151 Citations (Scopus)

Photoluminescence of organo-polysilane

Kagawa, T., Fujino, M., Takeda, K. & Matsumoto, N., 1986 Feb, In : Solid State Communications. 57, 8, p. 635-637 3 p.

Research output: Contribution to journalArticle

61 Citations (Scopus)
1985

Effect of structural randomness on the frontier states of polysilane

Takeda, K. & Matsumoto, N., 1985 Nov 30, In : Journal of Physics C: Solid State Physics. 18, 33, p. 6121-6133 13 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)

Hole mobility of GaAs, GaP, and GaAs1-xPx mixed-compound semiconductors

Takeda, K., Matsumoto, N., Taguchi, A., Taki, H., Ohta, E. & Sakata, M., 1985 Jan 1, In : Physical Review B. 32, 2, p. 1101-1111 11 p.

Research output: Contribution to journalArticle

18 Citations (Scopus)

Photoluminescence in polysilane alloys

Matsumoto, N., Furukawa, S. & Takeda, K., 1985 Mar, In : Solid State Communications. 53, 10, p. 881-884 4 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Structure and band models for wide optical gap polysilane alloys

Furukawa, S., Matsumoto, N. & Takeda, K., 1985 Dec 2, In : Journal of Non-Crystalline Solids. 77-78, PART 1, p. 253-256 4 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)
1984

Energy-band structure of chainlike polysilane (SiH2)n alloys

Takeda, K., Matsumoto, N. & Fukuchi, M., 1984 Jan 1, In : Physical Review B. 30, 10, p. 5871-5876 6 p.

Research output: Contribution to journalArticle

68 Citations (Scopus)

Valence band parameters, hole-phonon coupling constants and alloy scattering potentials for holes of III-V mixed alloy compounds

Takeda, K. & Matsumoto, N., 1984 Dec 1, In : Journal of Physics C: Solid State Physics. 17, 28, p. 5001-5015 15 p., 016.

Research output: Contribution to journalArticle

2 Citations (Scopus)
1983

Effect of intervalence-band interaction on relaxation time and transport coefficients for holes in non-polar semiconductors

Takeda, K., Sakui, K., Taguchi, A. & Sakata, M., 1983 Dec 1, In : Journal of Physics C: Solid State Physics. 16, 4, p. 729-745 17 p., 018.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Saturated photocurrent method for measurement of the optical-absorption coefficient in a semiconductor

Shimizu, T., Takeda, K., Yanagawa, H., Ohta, E. & Sakata, M., 1983 Jan 1, In : Journal of Applied Physics. 54, 7, p. 4218-4220 3 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Study of energy band parameters in p‐type Ge0.9Si0.1 alloys

Takeda, K., Maeda, Y., Ohta, E., Sakata, M., Kido, G. & Miura, N., 1983 Feb 1, In : physica status solidi (b). 115, 2, p. 369-379 11 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Valence-band parameters and hole mobility of Ge-Si alloys-theory

Takeda, K., Taguchi, A. & Sakata, M., 1983 Dec 1, In : Journal of Physics C: Solid State Physics. 16, 12, p. 2237-2249 13 p., 013.

Research output: Contribution to journalArticle

48 Citations (Scopus)
1982

Temperature dependence of mobility and Hall coefficient factor for holes of highly pure silicon

Takeda, K., Sakui, K. & Sakata, M., 1982 Dec 1, In : Journal of Physics C: Solid State Physics. 15, 4, p. 767-776 10 p., 022.

Research output: Contribution to journalArticle

15 Citations (Scopus)
1981

DENSITY OF STATES AND EFFECTIVE MASS OF HEAVY, LIGHT AND SPLIT-OFF HOLES NEAR THE VALENCE VAND EDGE OF SILICON.

Takeda, K., Sakui, K. & Sakata, M., 1981 Jan 1, In : Keio Science and Technology Reports. 34, 2, p. 39-47 9 p.

Research output: Contribution to journalArticle