Magnetic properties of 1,5-dimethyl-6-oxoverdazyl radical crystals. Observation of a spin-Peierls transition in 3-(4-cyanophenyl)-1,5-dimethyl-6-oxoverdazyl radical, p-CyDOV

Kazuo Mukai; Naoki Wada; Javad B. Jamali; Norio Achiwa; Yasuo Narumi; Koichi Kindo; Tatsuo Kobayashi; Kiichi Amaya

doi:10.1016/0009-2614(96)00577-5

Magnetic properties of 1,5-dimethyl-6-oxoverdazyl radical crystals. Observation of a spin-Peierls transition in 3-(4-cyanophenyl)-1,5-dimethyl-6-oxoverdazyl radical, p-CyDOV

Kazuo Mukai, Naoki Wada, Javad B. Jamali, Norio Achiwa, Yasuo Narumi, Koichi Kindo, Tatsuo Kobayashi, Kiichi Amaya

Research output: Contribution to journal › Article › peer-review

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Abstract

Magnetic susceptibilities of 5 kinds of 3-(4-R-phenyl)-1,5-dimethyl-6-oxoverdazyl radicals (PDOV (R = H), p-MDOV (R = CH₃O), p-MeDOV (R = CH₃), p-CyDOV (R = CN), and p-NDOV (R = NO₂)) have been measured in the temperature range of 4.2-300 K. The susceptibilities of PDOV, p-MDOV, and p-MeDOV can be explained by an antiferromagnetic Heisenberg alternating chain model. The susceptibility of p-CyDOV shows a broad maximum at 54 K, and decreases abruptly at 15 K, suggesting a spin-Peierls transition. High-field magnetization data (H = 0-35 T) which provide a clear evidence for a spin-Peierls transition were reported.

Original language	English
Pages (from-to)	538-544
Number of pages	7
Journal	Chemical Physics Letters
Volume	257
Issue number	5-6
DOIs	https://doi.org/10.1016/0009-2614(96)00577-5
Publication status	Published - Aug 2 1996
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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Mukai, K., Wada, N., Jamali, J. B., Achiwa, N., Narumi, Y., Kindo, K., Kobayashi, T., & Amaya, K. (1996). Magnetic properties of 1,5-dimethyl-6-oxoverdazyl radical crystals. Observation of a spin-Peierls transition in 3-(4-cyanophenyl)-1,5-dimethyl-6-oxoverdazyl radical, p-CyDOV. Chemical Physics Letters, 257(5-6), 538-544. https://doi.org/10.1016/0009-2614(96)00577-5

Mukai, K, Wada, N, Jamali, JB, Achiwa, N, Narumi, Y, Kindo, K, Kobayashi, T & Amaya, K 1996, 'Magnetic properties of 1,5-dimethyl-6-oxoverdazyl radical crystals. Observation of a spin-Peierls transition in 3-(4-cyanophenyl)-1,5-dimethyl-6-oxoverdazyl radical, p-CyDOV', Chemical Physics Letters, vol. 257, no. 5-6, pp. 538-544. https://doi.org/10.1016/0009-2614(96)00577-5

@article{021fd8247df5403d8eefb93bfd2f9569,

title = "Magnetic properties of 1,5-dimethyl-6-oxoverdazyl radical crystals. Observation of a spin-Peierls transition in 3-(4-cyanophenyl)-1,5-dimethyl-6-oxoverdazyl radical, p-CyDOV",

abstract = "Magnetic susceptibilities of 5 kinds of 3-(4-R-phenyl)-1,5-dimethyl-6-oxoverdazyl radicals (PDOV (R = H), p-MDOV (R = CH3O), p-MeDOV (R = CH3), p-CyDOV (R = CN), and p-NDOV (R = NO2)) have been measured in the temperature range of 4.2-300 K. The susceptibilities of PDOV, p-MDOV, and p-MeDOV can be explained by an antiferromagnetic Heisenberg alternating chain model. The susceptibility of p-CyDOV shows a broad maximum at 54 K, and decreases abruptly at 15 K, suggesting a spin-Peierls transition. High-field magnetization data (H = 0-35 T) which provide a clear evidence for a spin-Peierls transition were reported.",

author = "Kazuo Mukai and Naoki Wada and Jamali, {Javad B.} and Norio Achiwa and Yasuo Narumi and Koichi Kindo and Tatsuo Kobayashi and Kiichi Amaya",

note = "Funding Information: This work was partly supported by a Grant-in-Aid for Scientific Research on Priority Area 'Molecular Magnetism' (Area No. 228/04242104) from the Ministry of Education, Science and Culture, Japan. We are very grateful to Mr. Kouichi Nedachi for synthesizing the PDOV radical.",

year = "1996",

month = aug,

day = "2",

doi = "10.1016/0009-2614(96)00577-5",

language = "English",

volume = "257",

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journal = "Chemical Physics Letters",

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T1 - Magnetic properties of 1,5-dimethyl-6-oxoverdazyl radical crystals. Observation of a spin-Peierls transition in 3-(4-cyanophenyl)-1,5-dimethyl-6-oxoverdazyl radical, p-CyDOV

AU - Mukai, Kazuo

AU - Wada, Naoki

AU - Jamali, Javad B.

AU - Achiwa, Norio

AU - Narumi, Yasuo

AU - Kindo, Koichi

AU - Kobayashi, Tatsuo

AU - Amaya, Kiichi

N1 - Funding Information: This work was partly supported by a Grant-in-Aid for Scientific Research on Priority Area 'Molecular Magnetism' (Area No. 228/04242104) from the Ministry of Education, Science and Culture, Japan. We are very grateful to Mr. Kouichi Nedachi for synthesizing the PDOV radical.

PY - 1996/8/2

Y1 - 1996/8/2

N2 - Magnetic susceptibilities of 5 kinds of 3-(4-R-phenyl)-1,5-dimethyl-6-oxoverdazyl radicals (PDOV (R = H), p-MDOV (R = CH3O), p-MeDOV (R = CH3), p-CyDOV (R = CN), and p-NDOV (R = NO2)) have been measured in the temperature range of 4.2-300 K. The susceptibilities of PDOV, p-MDOV, and p-MeDOV can be explained by an antiferromagnetic Heisenberg alternating chain model. The susceptibility of p-CyDOV shows a broad maximum at 54 K, and decreases abruptly at 15 K, suggesting a spin-Peierls transition. High-field magnetization data (H = 0-35 T) which provide a clear evidence for a spin-Peierls transition were reported.

AB - Magnetic susceptibilities of 5 kinds of 3-(4-R-phenyl)-1,5-dimethyl-6-oxoverdazyl radicals (PDOV (R = H), p-MDOV (R = CH3O), p-MeDOV (R = CH3), p-CyDOV (R = CN), and p-NDOV (R = NO2)) have been measured in the temperature range of 4.2-300 K. The susceptibilities of PDOV, p-MDOV, and p-MeDOV can be explained by an antiferromagnetic Heisenberg alternating chain model. The susceptibility of p-CyDOV shows a broad maximum at 54 K, and decreases abruptly at 15 K, suggesting a spin-Peierls transition. High-field magnetization data (H = 0-35 T) which provide a clear evidence for a spin-Peierls transition were reported.

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Magnetic properties of 1,5-dimethyl-6-oxoverdazyl radical crystals. Observation of a spin-Peierls transition in 3-(4-cyanophenyl)-1,5-dimethyl-6-oxoverdazyl radical, p-CyDOV

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