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Research Output 1983 2019

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1983
10 Citations (Scopus)

Cis-trans isomerization of iodine-doped polyacetylene

Tanaka, K., Yoshizawa, K., Ohzeki, K. & Yamabe, T., Jan 1 1983, In : Solid State Communications. 45, 4, p. 391-393 3 p.

Research output: Contribution to journalArticle

Polyacetylenes
polyacetylene
Isomerization
Iodine
isomerization
1984
20 Citations (Scopus)

ESR studies of electrochemically prepared poly(3-methylthienylene) films

Tanaka, K., Shichiri, T., Yoshizawa, K., Yamabe, T., Hotta, S., Shimotsuma, W., Yamauchi, J. & Deguchi, Y., Jan 1 1984, In : Solid State Communications. 51, 7, p. 565-567 3 p.

Research output: Contribution to journalArticle

perchlorates
iodides
Paramagnetic resonance
conduction
defects
18 Citations (Scopus)

ESR studies of polyacenic semiconductive material

Tanaka, K., Yoshizawa, K., Koike, T., Yamabe, T., Yamauchi, J., Deguchi, Y. & Yata, S., Jan 1 1984, In : Solid State Communications. 52, 3, p. 343-345 3 p.

Research output: Contribution to journalArticle

Aromatic polymers
Paramagnetic resonance
Formaldehyde
phenol formaldehyde
Phenols
11 Citations (Scopus)

Structural change in the photoexcited cis-polyacetylene

Tanaka, K., Koike, T., Yoshizawa, K., Ohzeki, K. & Yamabe, T., Jan 1 1984, In : Solid State Communications. 49, 2, p. 165-167 3 p.

Research output: Contribution to journalArticle

Polyacetylenes
polyacetylene
Infrared absorption
infrared absorption
Energy gap
1989
15 Citations (Scopus)

A stability condition for the Hartree-Fock solution of the infinite one-dimensional system

Tanaka, K., Kobayashi, H., Yamanaka, S., Yoshizawa, K. & Yamabe, T., Jan 1 1989, In : The Journal of Chemical Physics. 91, 6, p. 3724-3728 5 p.

Research output: Contribution to journalArticle

Polyacetylenes
polyacetylene
Fermi level
self consistent fields
Polymers
1990

Interaction of two solitons on two trans-polyacetylene chains

Yoshizawa, K., Tanaka, K. & Yamabe, T., Jan 1 1990, In : Synthetic Metals. 36, 1, p. 75-81 7 p.

Research output: Contribution to journalArticle

Polyacetylenes
polyacetylene
Solitons
solitary waves
Photoexcitation
6 Citations (Scopus)

Magnetic property measurement of simple alkylene-aromatic polymers

Tanaka, K., Yoshizawa, K., Takata, A., Yamabe, T. & Yamauchi, J., Jan 1 1990, In : Synthetic Metals. 39, 1, p. 103-108 6 p.

Research output: Contribution to journalArticle

Aromatic polymers
Magnetic properties
magnetic properties
Ferromagnetism
Magnetic materials
46 Citations (Scopus)

Plasma polymerization of thiophene and 3-methylthiophene

Tanaka, K., Yoshizawa, K., Takeuchi, T., Yamabe, T. & Yamauchi, J., Aug 15 1990, In : Synthetic Metals. 38, 1, p. 107-116 10 p.

Research output: Contribution to journalArticle

Plasma polymerization
Thiophenes
Thiophene
thiophenes
polymerization
1991
13 Citations (Scopus)

Magnetic heat capacity of TDAE-C60

Tanaka, K., Tanaka, T., Atake, T., Yoshizawa, K., Okahara, K., Sato, T. & Yamabe, T., Nov 25 1991, In : Chemical Physics Letters. 230, 3, p. 271-275 5 p.

Research output: Contribution to journalArticle

Specific heat
Entropy
specific heat
Jahn-Teller effect
Calorimeters
15 Citations (Scopus)

Magnetic properties of simple alkylene-aromatic polymers

Tanaka, K., Yoshizawa, K., Takata, A., Yamabe, T. & Yamauchi, J., Jan 1 1991, In : The Journal of Chemical Physics. 94, 10, p. 6868-6872 5 p.

Research output: Contribution to journalArticle

Aromatic polymers
Magnetic properties
magnetic properties
Paramagnetic resonance
Magnetization
4 Citations (Scopus)
Molecular orbitals
molecular orbitals
Polymers
Ground state
polypyrroles
1 Citation (Scopus)

Midgap levels of photoexcited conductive polymers. II. Detailed analysis of trans‐polyacetylene

Tanaka, K., Yoshizawa, K., Takeuchi, T. & Yamabe, T., Jan 1 1991, In : International Journal of Quantum Chemistry. 40, 3, p. 315-322 8 p.

Research output: Contribution to journalArticle

Molecular orbitals
Polymers
Energy gap
polymers
molecular orbitals
42 Citations (Scopus)

Plasma polymerization of 1-benzothiophene

Tanaka, K., Yamabe, T., Takeuchi, T., Yoshizawa, K. & Nishio, S., Dec 1 1991, In : Journal of Applied Physics. 70, 10, p. 5653-5660 8 p.

Research output: Contribution to journalArticle

polymerization
electrical resistivity
products
electron spin
iodine
14 Citations (Scopus)

Synthesis and ESR measurements of polymeric product of m-chloroaniline as an approach to magnetic polymers

Tanaka, K., Yoshizawa, K., Takata, A., Yamabe, T. & Yamauchi, J., Jun 7 1991, In : Synthetic Metals. 43, 1-2, p. 3297-3300 4 p.

Research output: Contribution to journalArticle

Paramagnetic resonance
Polymers
polymers
synthesis
products
9 Citations (Scopus)

Theoretical study on ferromagnetic interaction in stacked diphenylcarbene polymer

Tanaka, K., Takeuchi, T., Yoshizawa, K., Toriumi, M. & Yamabe, T., Jan 1 1991, In : Synthetic Metals. 44, 1, p. 1-8 8 p.

Research output: Contribution to journalArticle

Polymers
polymers
pitch (inclination)
interactions
Electronic structure
1992
32 Citations (Scopus)

Crystal orbital study on ferromagnetic state of poly(m-aniline)

Yoshizawa, K., Takata, A., Tanaka, K. & Yamabe, T., Jan 1 1992, In : Polymer Journal. 24, 9, p. 857-864 8 p.

Research output: Contribution to journalArticle

Aniline
Nitrogen
Crystals
Spin polarization
Ferromagnetism
13 Citations (Scopus)

Electrical conductivity measurements of the plasma-polymerized 1-benzothiophene thin film

Nishio, S., Takeuchi, T., Matsuura, Y., Yoshizawa, K., Tanaka, K. & Yamabe, T., Jan 1 1992, In : Synthetic Metals. 46, 2, p. 243-250 8 p.

Research output: Contribution to journalArticle

Iodine
Plasmas
conduction
Thin films
electrical resistivity
117 Citations (Scopus)

ESR of the Cationic Triradical of 1,3,5-Tris(diphenylamino)benzene

Yoshizawa, K., Chano, A., Ito, A., Tanaka, K., Yamabe, T., Fujita, H., Yamauchi, J. & Shiro, M., Jul 1 1992, In : Journal of the American Chemical Society. 114, 15, p. 5994-5998 5 p.

Research output: Contribution to journalArticle

Benzene
Paramagnetic resonance
trifluoroacetic anhydride
Cyclic voltammetry
Glass
86 Citations (Scopus)

Ferromagnetic interaction in poly(m-aniline): Electron spin resonance and magnetic susceptibility

Yoshizawa, K., Tanaka, K., Yamabe, T. & Yamauchi, J., Jan 1 1992, In : The Journal of Chemical Physics. 96, 7, p. 5516-5522 7 p.

Research output: Contribution to journalArticle

aniline
Magnetic susceptibility
Paramagnetic resonance
electron paramagnetic resonance
Polymers
93 Citations (Scopus)

Magnetic properties of TDAE-C60 and TDAE-C70. A comparative study

Tanaka, K., Zakhidov, A. A., Yoshizawa, K., Okahara, K., Yamabe, T., Yakushi, K., Kikuchi, K., Suzuki, S., Ikemoto, I. & Achiba, Y., Apr 13 1992, In : Physics Letters A. 164, 2, p. 221-226 6 p.

Research output: Contribution to journalArticle

ethylene
magnetic properties
molecules
magnetization
temperature
13 Citations (Scopus)

Synthesis of polyaniline by use of the Ullmann reaction

Yoshizawa, K., Ito, A., Tanaka, K. & Yamabe, T., Jul 15 1992, In : Synthetic Metals. 48, 3, p. 271-282 12 p.

Research output: Contribution to journalArticle

Aniline
Polyaniline
aniline
musculoskeletal system
Polymers
1993
10 Citations (Scopus)

Design of one-dimensional ferromagnet based on polyacetylene chain

Yoshizawa, K., Tanaka, K. & Yamabe, T., Oct 1 1993, In : Synthetic Metals. 60, 3, p. 279-283 5 p.

Research output: Contribution to journalArticle

Polyacetylenes
polyacetylene
Orbital calculations
Molecular orbitals
molecular orbitals
26 Citations (Scopus)

ESR study of TDAE-C60 and TDAE-C70 in solution

Yoshizawa, K., Sato, T., Tanaka, K., Yamabe, T. & Okahara, K., Oct 15 1993, In : Chemical Physics Letters. 213, 5-6, p. 498-502 5 p.

Research output: Contribution to journalArticle

Paramagnetic resonance
electron paramagnetic resonance
solid phases
ethylene
20 Citations (Scopus)

Magnetic properties of higher fullerides TDAE-C84, -C90 and -C96

Tanaka, K., Zakhidov, A. A., Yoshizawa, K., Okahara, K., Yamabe, T., Kikuchi, K., Suzuki, S., Ikemoto, I. & Achiba, Y., Jan 1 1993, In : Solid State Communications. 85, 1, p. 69-72 4 p.

Research output: Contribution to journalArticle

fullerides
Magnetic properties
Ethylene
ethylene
magnetic properties
126 Citations (Scopus)

Magnetic properties of TDAE-C60 and TDAE-C70, where TDAE is tetrakis(dimethylamino)ethylene

Tanaka, K., Zakhidov, A. A., Yoshizawa, K., Okahara, K., Yamabe, T., Yakushi, K., Kikuchi, K., Suzuki, S., Ikemoto, I. & Achiba, Y., Jan 1 1993, In : Physical Review B. 47, 12, p. 7554-7559 6 p.

Research output: Contribution to journalArticle

ethylene
magnetic properties
electron paramagnetic resonance
ferromagnetism
fullerenes
26 Citations (Scopus)

Magnetic property of soluble poly(m-aniline)

Yoshizawa, K., Ito, A., Tanaka, K. & Yamabe, T., Jan 1 1993, In : Solid State Communications. 87, 10, p. 935-937 3 p.

Research output: Contribution to journalArticle

Aniline
aniline
Magnetic susceptibility
Magnetization
Magnetic properties
11 Citations (Scopus)

Molecular orbital study on qu artet molecules with trigonal axis of symmetry

Yoshizawa, K., Hatanaka, M., Ito, A., Tanaka, K. & Yamabe, T., Aug 1 1993, In : Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals. 232, 1, p. 323-332 10 p.

Research output: Contribution to journalArticle

Molecular orbitals
molecular orbitals
Benzene
Molecules
Geometry
31 Citations (Scopus)

Quartet states of non-kekulé molecules 1,3,5-trimethylenebenzene and 1,3,5-triaminobenzene trication

Yoshizawa, K., Hatanaka, M., Ito, A., Tanaka, K. & Yamabe, T., Feb 5 1993, In : Chemical Physics Letters. 202, 6, p. 483-488 6 p.

Research output: Contribution to journalArticle

Molecules
Geometry
geometry
molecules
Molecular orbitals
15 Citations (Scopus)

Raman scattering in ferromagnetic TDAE-C60 compared to TDAE-C70

Denisov, V. N., Zakhidov, A. A., Ruani, G., Zamboni, R., Taliani, C., Tanaka, K., Yoshizawa, K., Okahara, T., Yamabe, T. & Achiba, Y., Apr 5 1993, In : Synthetic Metals. 56, 2-3, p. 3050-3056 7 p.

Research output: Contribution to journalArticle

Raman scattering
Raman spectra
Electron-phonon interactions
Laser excitation
Electrons
9 Citations (Scopus)

Suppression of magnetism of TDAE-(C60)1-x(C70)x molecular alloys

Tanaka, K., Yoshizawa, K., Sato, T., Yamabe, T., Okahara, K. & Zakhidov, A. A., Jan 1 1993, In : Solid State Communications. 87, 11, p. 1055-1059 5 p.

Research output: Contribution to journalArticle

Magnetism
Magnetic properties
retarding
magnetic properties
Curie temperature
2 Citations (Scopus)
self consistent fields
Crystals
Fermi level
forbidden bands
orbitals
1994
23 Citations (Scopus)

Ab initio MO study of diphenylamine derivatives: diphenylamine, diphenylaminium, diphenylaminyl and diphenylnitroxide

Ito, A., Ota, K. I., Yoshizawa, K., Tanaka, K. & Yamabe, T., Jun 10 1994, In : Chemical Physics Letters. 223, 1-2, p. 27-34 8 p.

Research output: Contribution to journalArticle

Diphenylamine
Conformations
Derivatives
Molecules
Molecular orbitals
32 Citations (Scopus)

Ab initio study on quartet states of non-Kekulé-type molecules 1,3,5-trimethylenebenzene and 1,3,5-triaminobenzene trication

Yoshizawa, K., Hatanaka, M., Matsuzaki, Y., Tanaka, K. & Yamabe, T., Jan 1 1994, In : The Journal of Chemical Physics. 100, 6, p. 4453-4458 6 p.

Research output: Contribution to journalArticle

Molecules
Geometry
geometry
molecules
Molecular orbitals
1 Citation (Scopus)

Electrochemical oxidation of 1,3,5-tris(diphenylamino)benzene (TDAB) for polyradical material

Yoshizawa, K., Ito, A., Tanaka, K. & Yamabe, T., Sep 15 1994, In : Synthetic Metals. 66, 1, p. 81-83 3 p.

Research output: Contribution to journalArticle

electrochemical oxidation
Electrochemical oxidation
Benzene
Cations
Positive ions
34 Citations (Scopus)

Ferromagnetic coupling through m-phenylene. Molecular and crystal orbital study

Yoshizawa, K., Tanaka, K. & Yamabe, T., Jan 1 1994, In : Journal of Physical Chemistry. 98, 7, p. 1851-1855 5 p.

Research output: Contribution to journalArticle

Orbital calculations
Molecular orbitals
configuration interaction
molecular orbitals
orbitals
61 Citations (Scopus)

Molecular orbital study of pyrolytic carbons based on small cluster models

Yoshizawa, K., Okahara, K., Sato, T., Tanaka, K. & Yamabe, T., Jan 1 1994, In : Carbon. 32, 8, p. 1517-1522 6 p.

Research output: Contribution to journalArticle

Carbon clusters
Molecular orbitals
Polyacetylenes
Orbital calculations
Carbon
1995
18 Citations (Scopus)

ac magnetic susceptibility of TDAE-C60

Tanaka, K., Sato, T., Yoshizawa, K., Okahara, K., Yamabe, T. & Tokumoto, M., May 5 1995, In : Chemical Physics Letters. 237, 1-2, p. 123-126 4 p.

Research output: Contribution to journalArticle

Spin glass
Magnetic susceptibility
Phase transitions
magnetic permeability
spin glass
6 Citations (Scopus)

An ESR analysis of C60S16

Tanaka, K., Ago, H., Yoshizawa, K., Yamabe, T., Li, J. & Kitazawa, K., Mar 24 1995, In : Chemical Physics Letters. 235, 3-4, p. 217-220 4 p.

Research output: Contribution to journalArticle

Paramagnetic resonance
electron paramagnetic resonance
Anisotropy
anisotropy
Molecules
15 Citations (Scopus)
Charge density waves
Time varying systems
systems analysis
Electron transitions
Fermi level
6 Citations (Scopus)

Jahn-Teller distortion and possible electron pairing in molecular systems

Yamabe, T., Yoshizawa, K., Matsuura, Y. & Tanaka, K., Jan 1 1995, In : Synthetic Metals. 75, 1, p. 55-60 6 p.

Research output: Contribution to journalArticle

Jahn-Teller effect
Electron-electron interactions
Electrons
Molecular orbitals
Superconductivity
1 Citation (Scopus)

Molecular orbital study on cationic states of triphenylene and 1,3,5-tris(diphenylamino)benzene as a design of charge-transfer organic ferromagnets

Yoshizawa, K., Hatanaka, M., Tanaka, K. & Yamabe, T., Apr 1 1995, In : Synthetic Metals. 71, 1-3, p. 1829-1830 2 p.

Research output: Contribution to journalArticle

Molecular orbitals
Benzene
Charge transfer
molecular orbitals
benzene
60 Citations (Scopus)

n-Alkyl Group-Substituted Poly(m-aniline)s: Syntheses and Magnetic Properties

Ito, A., Ota, K. I., Tanaka, K., Yamabe, T. & Yoshizawa, K., Jul 1 1995, In : Macromolecules. 28, 16, p. 5618-5625 8 p.

Research output: Contribution to journalArticle

Aniline
Magnetic properties
Polymers
Solubility
Derivatives
59 Citations (Scopus)

Potential Linear‐Chain Organic Ferromagnets

Yoshizawa, K. & Hoffmann, R., Jan 1 1995, In : Chemistry – A European Journal. 1, 7, p. 403-413 11 p.

Research output: Contribution to journalArticle

Conjugated polymers
Benzene
Electronic properties
Band structure
Structural properties
4 Citations (Scopus)

Study on magnetic properties of triaminobenzenes toward charge-transfer organic ferromagnets

Yoshizawa, K., Hatanaka, M., Tanaka, K. & Yamabe, T., Apr 1 1995, In : Synthetic Metals. 71, 1-3, p. 1831-1832 2 p.

Research output: Contribution to journalArticle

Charge transfer
Magnetic properties
charge transfer
magnetic properties
Benzene
94 Citations (Scopus)

The Role of Orbital Interactions in Determining Ferromagnetic Coupling in Organic Molecular Assemblies

Yoshizawa, K. & Hoffmann, R., Jan 1 1995, In : Journal of the American Chemical Society. 117, 26, p. 6921-6926 6 p.

Research output: Contribution to journalArticle

Space Simulation
Molecular orbitals
Electrons
Electron correlations
Spin polarization
18 Citations (Scopus)

Weak suppression of ferromagnetism in tetrakis(dimethylamino)ethylene-(C60)1-x(C70)x

Tanaka, K., Sato, T., Yamabe, T., Yoshizawa, K., Okahara, K. & Zakhidov, A. A., Jan 1 1995, In : Physical Review B. 51, 2, p. 990-995 6 p.

Research output: Contribution to journalArticle

ferromagnetism
ethylene
retarding
magnetization
Curie temperature
1996
49 Citations (Scopus)

Dioxygen Binding to Dinuclear Iron Centers on Methane Monooxygenase Models

Yoshizawa, K. & Hoffmann, R., Dec 1 1996, In : Inorganic Chemistry. 35, 9, p. 2409-2410 2 p.

Research output: Contribution to journalArticle

methane monooxygenase
methane
Iron
Oxygen
iron
23 Citations (Scopus)

Electron correlation effects and possible D6h structures in large cyclic polyenes

Yoshizawa, K., Kato, T. & Yamabe, T., Apr 4 1996, In : Journal of physical chemistry. 100, 14, p. 5697-5701 5 p.

Research output: Contribution to journalArticle

Polyenes
Electron correlations
alternations
Bond length
subgroups
28 Citations (Scopus)

Electronic properties of polymers based on thienothiadiazole and thiophene

Bakhshi, A. K., Ago, H., Yoshizawa, K., Tanaka, K. & Yamabe, T., Jan 1 1996, In : Journal of Chemical Physics. 104, 14, p. 5528-5538 11 p.

Research output: Contribution to journalArticle

Thiophenes
thiophenes
oligomers
Oligomers
Electronic properties
24 Citations (Scopus)

Interlayer interactions in two-dimensional systems: Second-order effects causing ABAB stacking of layers in graphite

Yoshizawa, K., Kato, T. & Yamabe, T., Aug 1 1996, In : Journal of Chemical Physics. 105, 5, p. 2099-2105 7 p.

Research output: Contribution to journalArticle

Graphite
interlayers
graphite
Van der Waals forces
interactions