Submillimeter and millimeter wave ESR measurements of diamond-chain substance Cu3(CO3)2(OH)2

Susumu Okubo, Tomohisa Kamikawa, Takashi Kunimoto, Yuji Inagaki, Hitoshi Ohta, Hiroyuki Nojiri, Hikomitsu Kikuchi

Research output: Contribution to journalConference article

8 Citations (Scopus)

Abstract

Submillimeter and millimeter wave ESR measurements of Cu 3(CO3)2(OH)2 (azurite), which is the model substance for S = 1/2 frustrated diamond chain, have been performed at 0.5 and 1.9 K. Anomalous AFMR modes, which cannot be interpreted as a simple two sublattice antiferromagnet, were observed at 0.5 K. The antiferromagnetic gaps at zero magnetic field were estimated to be 126 and 435 GHz for H//a and H//b, respectively. The observed AFMR mode is also discussed in connection with the magnetization result.

Original languageEnglish
Pages (from-to)912-913
Number of pages2
JournalJournal of Magnetism and Magnetic Materials
Volume272-276
DOIs
Publication statusPublished - May 1 2004
Externally publishedYes
EventProceedings of the International Conference on Magnetism - Rome, Italy
Duration: Jul 27 2003Aug 1 2003

Fingerprint

Submillimeter waves
Diamond
submillimeter waves
Millimeter waves
millimeter waves
Paramagnetic resonance
Diamonds
Magnetization
diamonds
Magnetic fields
sublattices
magnetization
magnetic fields
substance S

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

Cite this

Submillimeter and millimeter wave ESR measurements of diamond-chain substance Cu3(CO3)2(OH)2. / Okubo, Susumu; Kamikawa, Tomohisa; Kunimoto, Takashi; Inagaki, Yuji; Ohta, Hitoshi; Nojiri, Hiroyuki; Kikuchi, Hikomitsu.

In: Journal of Magnetism and Magnetic Materials, Vol. 272-276, 01.05.2004, p. 912-913.

Research output: Contribution to journalConference article

Okubo, Susumu ; Kamikawa, Tomohisa ; Kunimoto, Takashi ; Inagaki, Yuji ; Ohta, Hitoshi ; Nojiri, Hiroyuki ; Kikuchi, Hikomitsu. / Submillimeter and millimeter wave ESR measurements of diamond-chain substance Cu3(CO3)2(OH)2. In: Journal of Magnetism and Magnetic Materials. 2004 ; Vol. 272-276. pp. 912-913.
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AU - Okubo, Susumu

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AU - Inagaki, Yuji

AU - Ohta, Hitoshi

AU - Nojiri, Hiroyuki

AU - Kikuchi, Hikomitsu

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AB - Submillimeter and millimeter wave ESR measurements of Cu 3(CO3)2(OH)2 (azurite), which is the model substance for S = 1/2 frustrated diamond chain, have been performed at 0.5 and 1.9 K. Anomalous AFMR modes, which cannot be interpreted as a simple two sublattice antiferromagnet, were observed at 0.5 K. The antiferromagnetic gaps at zero magnetic field were estimated to be 126 and 435 GHz for H//a and H//b, respectively. The observed AFMR mode is also discussed in connection with the magnetization result.

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