Original Papers 2000~2004

9. Preparation and magnetic properties of hollow nano-spheres of cobalt and cobalt oxide: Drastic cooling-field effects on remnant magnetization of antiferromagnet
H. Yoshikawa, K. Hayashida, Y. Kozuka, A. Horiguchi, K. Awaga, S. Bandow, and S. Iijima
Appl. Phys. Lett. 2004, 85, 5287-5289.
Highlighted in Virtual Journal of Nanoscale Science & Technology(2004/12/13)


8. Packing Motifs and Magneto-Structural Correlations in Crystal Structures of Metallo-Tetrakis(1,2,5-thiadiazole)porphyrazine Series, MTTDPz (M=H2, Fe, Co, Ni, Cu, Zn)
Y. Suzuki, M. Fujimori, H. Yoshikawa, and K. Awaga.
Chem.-Eur. J. 2004, 10, 5158-5164.


7. Packing Motifs in Porphyrazine Macrocycles Carrying Peripherally Annulated Thiadiazole Rings: Crystal Growths of Metal-Free and Cobalt Tetrakis(1,2,5-thiadiazole)porphyrazines
M. Fujimori, Y. Suzuki, H. Yoshikawa, and K. Awaga.
Angew. Chem. Int. Ed. 2003, 42, 5863-5865.


6. Crystal Structure and Spectroscopic Properties of the CT Complex of Methyl Viologen Dication and o-Dimethoxybenzene Included in a Polycyano-Polycadmate Host and Electrostatic Effects on Its CT Absorption
H. Yoshikawa, S. Nishikiori, and T. Ishida.
J. Phys. Chem. B 2003, 107, 9261-9267.


5. Theoretical Study on Photoinduced Color Change and Charge Transfer of Methylviologen
T. Ishida, M. Murakami, G. Watanabe, H. Yoshikawa, and S. Nishikiori.
Internet Electronic Jouranl of Molecular Design 2003, 2, 14-23.


4. Polycyano-polycadmate host clathrates including a methylviologen dication. Syntheses, crystal structures and photo-induced reduction of methylviologen dication.
Hirofumi Yoshikawa, Shin-ichi Nishikiori, Tokuko, Watanabe, Toshimasa Ishida, Go Watanabe, Makoto Murakami, Kinga Suwinska, Roman Luboradzki, Janusz Lipkowski
J.C.S., Dalton Trans. 2002, 1907-1917.


3. Crystal structure of a polycyano-polycadmate host clathrate including a charge-transfer complex of methylviologen dication and mesitylene as a guest
Hirofumi Yoshikawa, Shin-ichi Nishikiori, Kinga Suwinska, Roman Luboradzki, Janusz Lipkowski
Chem. Commun. 2001, 1398-1399.


2. Photoinduced Color Change of Methylviologen in Polycyano-Polycadmate Host Clathrates
H.Yoshikawa and S.Nishikiori
Chem. Lett. 2000, 142-143.

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