p-nitrophenyl nitronyl nitroxide: The first organic ferromagnet

Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences

Volumn 357, Issue 1762, 1999, Pages 2855-2872

  Kinoshita, Minoru ^a  

^a TOKYO UNIVERSITY OF SCIENCE   (Japan)

Author keywords

Charge transfer mechanism; Ferromagnetic to antiferromagnetic transition; Muon spin rotation; p nitrophenyl nitronyl nitroxide; p NPNN; Pressure effect on ferromagnetism

Indexed keywords

EID: 0347769776     PISSN: 1364503X     EISSN: None     Source Type: Journal    
DOI: 10.1098/rsta.1999.0471     Document Type: Article

References (36)

1. Allemand, P.-M., Fite, C., Canfield, P., Srdanov, G., Keder, N., Wudl, F. & Canfield, P. 1991 On the complexities of short range ferromagnetic exchange in a nitronyl nitroxide. Synth. Met. 41-43, 3291-3295.
2. Awaga, K. &: Maruyama, Y. 1989 Ferromagnetic intermolecular interaction of the organic radical, 2-(4-nitrophenyl)-4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazolyl-1-oxyl 3-oxide. Chem. Phys. Lett. 158, 556-558.
3. Awaga, K., Sugano, T. & Kinoshita, M. 1986a Organic radical clusters with ferromagnetic intermolecular interactions. Solid State Commun. 57, 453-456.
4. Awaga, K., Sugano, T. & Kinoshita, M. 1986b Ferromagnetic intermolecular interactions in a series of organic mixed crystals of galvinoxyl radical and its precursory closed shell compound. J. Chem. Phys. 85, 2211-2218.
5. Awaga, K., Sugano, T. &: Kinoshita, M. 1986c ESR evidence for the ferro-and antiferro-magnetic intermolecular interaction in pure and dilute mixed crystals of galvinoxyl. Chem. Phys. Lett. 128, 587-590.
6. Awaga, K., Sugano, T. &: Kinoshita, M. 1987a Thermodynamic properties of the mixed crystals of galvinoxyl radical and its precursory closed shell compound: the large entropy cooperating with the spin system. J. Chem. Phys. 87, 3062-3068.
7. Awaga, K., Sugano, T. & Kinoshita, M. 1987b Ferromagnetic intermolecular interaction of the galvinoxyl radical: cooperation of spin polarization and charge-transfer interaction. Chem. Phys. Lett. 141, 540-544.
8. Awaga, K., Sugano, T. & Kinoshita, M. 1988 Ferromagnetic intermolecular interaction of organic radical, galvinoxyl. Synth. Met. 27, B631-B638.
9. Awaga, K., Inabe, T., Nagashima, U. & Maruyama, Y. 1989a Two-dimensional network of the ferromagnetic radical, 2-(4-nitrophenyl)-4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazol-1-oxyl 3-N-oxide. J. Chem. Soc. Chem. Commun., pp. 1617-1618.
10. +SR of the organic ferromagnet p-NPNN: diamagnetic and paramagnetic states. Europhys. Lett. 31, 573-578.
11. Chiarelli, R., Novak, M. A., Rassat, A. & Tholence, J. L. 1993 A ferromagnetic transition at 1.48 K in an organic nitroxide. Nature 363, 147-149.
12. Hosokoshi, Y., Tamura, M. & Kinoshita, M. 1997 Pressure effect on organic radicals. Mol. Cryst. Liq. Cryst. 306, 423-430.
13. Kinoshita, M. 1991 Intermolecular ferromagnetic coupling in organic radical crystals. In Magnetic molecular materials (ed. D. Gatteschi, O. Kahn, J. S. Miller & F. Palacio). NATO ASI Series E, vol. 198, pp. 87-103.
14. Kinoshita, M. 1993a Ferromagnetism in organic radical crystal. Mol. Cryst. Liq. Cryst. 232, 1-12.
15. Kinoshita, M. 1993b Bulk ferromagnetism of the crystal of the organic radical, p-NPNN. Synth. Met. 56, 3279-3284.
16. Kinoshita, M. 1994 Ferromagnetism of organic radical crystals. Jap. J. Appl. Phys. 33, 5718-5733.
17. Kinoshita, M. 1995 Ferromagnetism and antiferromagnetism in organic radical crystals. Physica B 213/214, 257-261.
18. Kinoshita, M. 1996 Organic magnetic materials with cooperative magnetic properties. In Molecular magnetism. From molecular assemblies to the devices (ed. P. Coronado, D. Delhaes, D. Gatteschi & J. S. Miller). NATO ASI Series E, vol. 321, pp. 449-472.
19. Kinoshita, M. 1997 Magnetic properties of organic solids. In Organic molecular solids. Properties and applications (ed. W. Jones), pp. 379-414. Boca Raton, FL: CRC.
20. Le, L. P., Keren, A., Luke, G. M., Wu, W. D., Uemura, Y. J., Tamura, M., Ishikawa, M. & Kinoshita, M. 1993 Searching for spontaneous magnetic order in an organic ferromagnet. μSR studies of β-phase p-NPNN. Chem. Phys. Lett. 206, 405-408.
21. McConnell, H. M. 1963 Ferromagnetism in solid free radicals. J. Chem. Phys. 39, 1910.
22. Mito, M., Kawae, T., Takumi, M., Nagata, K., Tamura, M., Kinoshita, M. & Takeda, K. 1997 Pressure-induced ferro-to antiferromagnetic transition in a purely organic compound, β-phase p-nitrophenyl nitronyl nitroxide. Phys. Rev. B 56, 14 255-14 258.
23. Mukai, K. 1969 Anomalous magnetic properties of stable crystalline phenoxyl radicals. Bull. Chem. Soc. Jap. 42, 40-46.
24. Mukai, K., Nishiguchi, H. & Deguchi, Y. 1967 Anomaly in the χ-T curve of galvinoxyl radical. J. Phys. Soc. Jap. 23, 125.
25. Nakazawa, Y., Tamura, M., Shirakawa, N., Shiomi, D., Takahashi, M., Kinoshita, M. & Ishikawa, M. 1992 Low-temperature magnetic properties of ferromagnetic organic radical, p-nitrophenyl nitronyl nitroxide. Phys. Rev. B 46, 8906-8914.
26. Okumura, M., Mori, W. & Yamaguchi, K. 1993 Mol. Cryst. Liq. Cryst. 232, 35-44.
27. Oshima, K., Kawanoue, H., Haibara, Y., Yamazaki, H., Awaga, K., Tamura, M., Ishikawa, M. & Kinoshita, M. 1995a Ferromagnetic resonance and nonlinear absorption in p-NPNN. Synth. Met. 71, 1821-1822.
28. Oshima, H., Haibara, Y., Yamazaki, H., Awaga, K., Tamura, M. & Kinoshita, M. 1995b Ferromagnetic resonance in p-NPNN below 1 K. Mol. Cryst. Liq. Cryst. 271, 29-34.
29. Takeda, K., Konishi, K., Tamura, M. & Kinoshita, M. 1995 Magnetism of the β-phase p-nitrophenyl nitronyl nitroxide crystal. Mol. Cryst. Liq. Cryst. 273, 57-66.
30. Takeda, K., Konishi, K., Tamura, M. & Kinoshita, M. 1996 Pressure effects on intermolecular interactions of the organic ferromagnetic crystalline β-phase p-nitrophenyl nitronyl nitroxide. Phys. Rev. B 53, 3374-3380.
31. Takeda, K., Mito, M., Kawae, T., Takumi, M., Nagata, K., Tamura, M. & Kinoshita, M. 1998 Pressure dependence of intermolecular interactions in the genuine organic β-phase p-nitrophenyl nitronyl nitroxide crystal accompanying a ferro-to antiferromagnetic transition. J. Phys. Chem. B 102, 671-676.
32. Tamura, M., Nakazawa, Y., Shiomi, D., Nozawa, K., Hosokoshi, Y., Ishikawa, M., Takahashi, M. & Kinoshita, M. 1991 Bulk ferromagnetism in the β-phase crystal of the p-nitrophenyl nitronyl nitroxide radical. Chem. Phys. Lett. 186, 401-404.
33. Turek, P., Nozawa, K., Shiomi, D., Awaga, K., Inabe, T., Maruyama, Y. & Kinoshita, M. 1991 Ferromagnetic coupling in a new phase of the p-nitrophenyl nitronyl nitroxide radical. Chem. Phys. Lett. 180, 327-331.
34. Uemura, Y. J., Le, L. P. & Luke, G. M. 1993 Muon spin relaxation studies in organic superconductors and organic magnets. Synth. Met. 56, 2845-2850.
35. Zheludev, A., Ressouche, M. & Schweizer, E. 1994a Neutron diffraction of a ferromagnetic phase transition in a purely organic crystal. Solid State Commun. 90, 233-235.
36. Zheludev, A., Bonnet, M., Ressouche, E., Schweizer, J., Wan, M. & Wang, H. 1994b Experimental spin density in the first purely organic ferromagnet: the &-para-nitrophenyl nitronyl nitroxide. J. Mag. Mag. Mater. 135, 147-160.