Ferromagnetic and antiferromagnetic behavior of 4-Methacryloyloxy- and 4-Acryloyloxy-2,2,6,6-Tetramethylpiperidine-1-OXYL

M. Kamachi, H. Sugimoto, A. Kajiwara, A. Harada, Y. Morishima, W. Mori, N. Ohmae, M. Nakano, M. Sorai, Tatsuo Kobayashi, K. Amaya

Research output: Contribution to journalArticle

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Abstract

The magnetic properties of 4-methacryloyloxy- and 4-acryloyloxy-2,2,6,6-tetramethylpiperidine-l-oxyl (MOTMP and AOTMP, respectively) were studied. The magnetic susceptibility, magnetization, and molar heat capacity of MOTMP show that the crystal has one-dimensional ferromagnetic coupling, and that the coupling between the one-dimensional coupling chains was antiferromagnetic, resulting in a metamagnet below 0.16 K. On the other hand, AOTMP, where hydrogen atom is substituted for a methyl group at α-position, shows an antiferromagnetic coupling between the nitroxyl radicals.

Original languageEnglish
Pages (from-to)53-60
Number of pages8
JournalMolecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
Volume232
Issue number1
DOIs
Publication statusPublished - Aug 1 1993
Externally publishedYes

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Magnetic susceptibility
Specific heat
Hydrogen
Magnetization
Magnetic properties
Atoms
Crystals
hydrogen atoms
specific heat
magnetic properties
magnetic permeability
magnetization
2,2,6,6-tetramethylpiperidide
crystals
nitroxyl

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Ferromagnetic and antiferromagnetic behavior of 4-Methacryloyloxy- and 4-Acryloyloxy-2,2,6,6-Tetramethylpiperidine-1-OXYL. / Kamachi, M.; Sugimoto, H.; Kajiwara, A.; Harada, A.; Morishima, Y.; Mori, W.; Ohmae, N.; Nakano, M.; Sorai, M.; Kobayashi, Tatsuo; Amaya, K.

In: Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals, Vol. 232, No. 1, 01.08.1993, p. 53-60.

Research output: Contribution to journalArticle

Kamachi, M. ; Sugimoto, H. ; Kajiwara, A. ; Harada, A. ; Morishima, Y. ; Mori, W. ; Ohmae, N. ; Nakano, M. ; Sorai, M. ; Kobayashi, Tatsuo ; Amaya, K. / Ferromagnetic and antiferromagnetic behavior of 4-Methacryloyloxy- and 4-Acryloyloxy-2,2,6,6-Tetramethylpiperidine-1-OXYL. In: Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals. 1993 ; Vol. 232, No. 1. pp. 53-60.
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abstract = "The magnetic properties of 4-methacryloyloxy- and 4-acryloyloxy-2,2,6,6-tetramethylpiperidine-l-oxyl (MOTMP and AOTMP, respectively) were studied. The magnetic susceptibility, magnetization, and molar heat capacity of MOTMP show that the crystal has one-dimensional ferromagnetic coupling, and that the coupling between the one-dimensional coupling chains was antiferromagnetic, resulting in a metamagnet below 0.16 K. On the other hand, AOTMP, where hydrogen atom is substituted for a methyl group at α-position, shows an antiferromagnetic coupling between the nitroxyl radicals.",
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AU - Kamachi, M.

AU - Sugimoto, H.

AU - Kajiwara, A.

AU - Harada, A.

AU - Morishima, Y.

AU - Mori, W.

AU - Ohmae, N.

AU - Nakano, M.

AU - Sorai, M.

AU - Kobayashi, Tatsuo

AU - Amaya, K.

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AB - The magnetic properties of 4-methacryloyloxy- and 4-acryloyloxy-2,2,6,6-tetramethylpiperidine-l-oxyl (MOTMP and AOTMP, respectively) were studied. The magnetic susceptibility, magnetization, and molar heat capacity of MOTMP show that the crystal has one-dimensional ferromagnetic coupling, and that the coupling between the one-dimensional coupling chains was antiferromagnetic, resulting in a metamagnet below 0.16 K. On the other hand, AOTMP, where hydrogen atom is substituted for a methyl group at α-position, shows an antiferromagnetic coupling between the nitroxyl radicals.

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