Proton NMR study of atacamite Cu22Cl(OH)3

Kazuko Zenmyo, Hidenori Kubo, Masahiko Tokita, Tatsuichi Hamasaki, Masato Hagihala, Xu Gang Zheng, Tatsuya Kawae, Yuuki Takeuchi, Masahiro Matsumura

研究成果: ジャーナルへの寄稿記事

5 引用 (Scopus)

抄録

The proton NMR spectrum of Cu22Cl(OH)3 at low temperature in zero applied field has two sharp peaks. This result means that the majority of magnetic moments order antiferromagnetically at low temperature. The magnetic structure determined by comparing the observed proton NMR spectrum with the numerical calculated ones in several magnetic models shows that the magnetic moments order ''all-in all-out'' orienting to body center. This magnetic structure is similar to antiferromagnetic pyrochlore with geometric frustration, and different from the one of atacamite Mn2Cl(OH)3, though having the same crystal structure. The magnitude of magnetic moments of Cu(I) is 1.12-B and Cu(II) 0.25-B. In increasing temperature, the number of moments deviated from ''all-in all-out'' directions becomes large. However, the clear evidence of the disordering or spin-glass moments is not detected from observed NMR spectrum.

元の言語英語
記事番号084707
ジャーナルjournal of the physical society of japan
82
発行部数8
DOI
出版物ステータス出版済み - 8 1 2013

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magnetic moments
nuclear magnetic resonance
protons
moments
frustration
spin glass
crystal structure
temperature

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

これを引用

Zenmyo, K., Kubo, H., Tokita, M., Hamasaki, T., Hagihala, M., Zheng, X. G., ... Matsumura, M. (2013). Proton NMR study of atacamite Cu22Cl(OH)3. journal of the physical society of japan, 82(8), [084707]. https://doi.org/10.7566/JPSJ.82.084707

Proton NMR study of atacamite Cu22Cl(OH)3. / Zenmyo, Kazuko; Kubo, Hidenori; Tokita, Masahiko; Hamasaki, Tatsuichi; Hagihala, Masato; Zheng, Xu Gang; Kawae, Tatsuya; Takeuchi, Yuuki; Matsumura, Masahiro.

:: journal of the physical society of japan, 巻 82, 番号 8, 084707, 01.08.2013.

研究成果: ジャーナルへの寄稿記事

Zenmyo, K, Kubo, H, Tokita, M, Hamasaki, T, Hagihala, M, Zheng, XG, Kawae, T, Takeuchi, Y & Matsumura, M 2013, 'Proton NMR study of atacamite Cu22Cl(OH)3', journal of the physical society of japan, 巻. 82, 番号 8, 084707. https://doi.org/10.7566/JPSJ.82.084707
Zenmyo K, Kubo H, Tokita M, Hamasaki T, Hagihala M, Zheng XG その他. Proton NMR study of atacamite Cu22Cl(OH)3. journal of the physical society of japan. 2013 8 1;82(8). 084707. https://doi.org/10.7566/JPSJ.82.084707
Zenmyo, Kazuko ; Kubo, Hidenori ; Tokita, Masahiko ; Hamasaki, Tatsuichi ; Hagihala, Masato ; Zheng, Xu Gang ; Kawae, Tatsuya ; Takeuchi, Yuuki ; Matsumura, Masahiro. / Proton NMR study of atacamite Cu22Cl(OH)3. :: journal of the physical society of japan. 2013 ; 巻 82, 番号 8.
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abstract = "The proton NMR spectrum of Cu22Cl(OH)3 at low temperature in zero applied field has two sharp peaks. This result means that the majority of magnetic moments order antiferromagnetically at low temperature. The magnetic structure determined by comparing the observed proton NMR spectrum with the numerical calculated ones in several magnetic models shows that the magnetic moments order ''all-in all-out'' orienting to body center. This magnetic structure is similar to antiferromagnetic pyrochlore with geometric frustration, and different from the one of atacamite Mn2Cl(OH)3, though having the same crystal structure. The magnitude of magnetic moments of Cu(I) is 1.12-B and Cu(II) 0.25-B. In increasing temperature, the number of moments deviated from ''all-in all-out'' directions becomes large. However, the clear evidence of the disordering or spin-glass moments is not detected from observed NMR spectrum.",
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