Magnetic field effects on an organic S = 1/2 alternating linear Heisenberg antiferromagnet F5PNN

Yasuo Yoshida; Naoyuki Tateiwa; Masaki Mitoh; Masako Hidaka; Tatsuya Kawae; Yuko Hosokoshi; Katsuya Inoue; Kazuyoshi Takeda

doi:10.1016/j.jmmm.2003.11.349

Magnetic field effects on an organic S = 1/2 alternating linear Heisenberg antiferromagnet F₅PNN

Yasuo Yoshida, Naoyuki Tateiwa, Masaki Mitoh, Masako Hidaka, Tatsuya Kawae, Yuko Hosokoshi, Katsuya Inoue, Kazuyoshi Takeda

Applied Physics

Research output: Contribution to journal › Conference article › peer-review

2 Citations (Scopus)

Abstract

Specific heat measurements under magnetic fields up to 3 T have been performed on an S = 1/2 alternating linear Heisenberg organic antiferromagnet pentafluorophenyl nitronyl nitroxide (F₅PNN). The energy gap at zero-field is estimated to be Δ/k_B = 4.0 K from the zero-field specific heat at low temperatures. When the magnetic field is 3 T, linear-temperature dependence of specific heat is observed at low temperatures, which indicates that the energy gap is suppressed by the magnetic field.

Original language	English
Pages (from-to)	872-873
Number of pages	2
Journal	Journal of Magnetism and Magnetic Materials
Volume	272-276
DOIs	https://doi.org/10.1016/j.jmmm.2003.11.349
Publication status	Published - May 1 2004
Event	Proceedings of the International Conference on Magnetism - Rome, Italy Duration: Jul 27 2003 → Aug 1 2003

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1016/j.jmmm.2003.11.349

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title = "Magnetic field effects on an organic S = 1/2 alternating linear Heisenberg antiferromagnet F5PNN",

abstract = "Specific heat measurements under magnetic fields up to 3 T have been performed on an S = 1/2 alternating linear Heisenberg organic antiferromagnet pentafluorophenyl nitronyl nitroxide (F5PNN). The energy gap at zero-field is estimated to be Δ/kB = 4.0 K from the zero-field specific heat at low temperatures. When the magnetic field is 3 T, linear-temperature dependence of specific heat is observed at low temperatures, which indicates that the energy gap is suppressed by the magnetic field.",

author = "Yasuo Yoshida and Naoyuki Tateiwa and Masaki Mitoh and Masako Hidaka and Tatsuya Kawae and Yuko Hosokoshi and Katsuya Inoue and Kazuyoshi Takeda",

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doi = "10.1016/j.jmmm.2003.11.349",

language = "English",

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journal = "Journal of Magnetism and Magnetic Materials",

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note = "Proceedings of the International Conference on Magnetism ; Conference date: 27-07-2003 Through 01-08-2003",

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TY - JOUR

T1 - Magnetic field effects on an organic S = 1/2 alternating linear Heisenberg antiferromagnet F5PNN

AU - Yoshida, Yasuo

AU - Tateiwa, Naoyuki

AU - Mitoh, Masaki

AU - Hidaka, Masako

AU - Kawae, Tatsuya

AU - Hosokoshi, Yuko

AU - Inoue, Katsuya

AU - Takeda, Kazuyoshi

PY - 2004/5/1

Y1 - 2004/5/1

N2 - Specific heat measurements under magnetic fields up to 3 T have been performed on an S = 1/2 alternating linear Heisenberg organic antiferromagnet pentafluorophenyl nitronyl nitroxide (F5PNN). The energy gap at zero-field is estimated to be Δ/kB = 4.0 K from the zero-field specific heat at low temperatures. When the magnetic field is 3 T, linear-temperature dependence of specific heat is observed at low temperatures, which indicates that the energy gap is suppressed by the magnetic field.

AB - Specific heat measurements under magnetic fields up to 3 T have been performed on an S = 1/2 alternating linear Heisenberg organic antiferromagnet pentafluorophenyl nitronyl nitroxide (F5PNN). The energy gap at zero-field is estimated to be Δ/kB = 4.0 K from the zero-field specific heat at low temperatures. When the magnetic field is 3 T, linear-temperature dependence of specific heat is observed at low temperatures, which indicates that the energy gap is suppressed by the magnetic field.

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U2 - 10.1016/j.jmmm.2003.11.349

DO - 10.1016/j.jmmm.2003.11.349

M3 - Conference article

AN - SCOPUS:2642537648

SN - 0304-8853

VL - 272-276

SP - 872

EP - 873

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

T2 - Proceedings of the International Conference on Magnetism

Y2 - 27 July 2003 through 1 August 2003

ER -

Magnetic field effects on an organic S = 1/2 alternating linear Heisenberg antiferromagnet F₅PNN

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