1H-NMR study on the magnetic order in the mixture of two spin gap systems (CH 3) 2CHNH 3CuCl 3 and (CH 3) 2CHNH 3CuBr 3

Keishi Kanada, Takehiro Saito, Akira Oosawa, Takayuki Goto, Takao Suzuki

Research output: Contribution to journalArticle

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Abstract

The antiferromagnetic ordering in the solid-solution of the two spin-gap systems (CH 3) 2CHNH 3CuCl 3 and (CH 3) 2CHNH 3CuBr 3 has been investigated by 1H-NMR. The sample with the Cl-content ratio x = 0:85 showed a clear splitting in spectra below T N = 13:5 K, where the spin-lattice relaxation rate T 1 -1 showed a diverging behavior. The critical exponent of the temperature dependence of the hyperfine field is found to be 0.33.

LanguageEnglish
Article number064706
JournalJournal of the Physical Society of Japan
Volume76
Issue number6
DOIs
StatePublished - 2007 Jun
Externally publishedYes

Fingerprint

methylidyne
nuclear magnetic resonance
spin-lattice relaxation
solid solutions
exponents
temperature dependence

Keywords

  • Disordered spin-gap systems
  • Magnetic order
  • NMR

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

1H-NMR study on the magnetic order in the mixture of two spin gap systems (CH 3) 2CHNH 3CuCl 3 and (CH 3) 2CHNH 3CuBr 3 . / Kanada, Keishi; Saito, Takehiro; Oosawa, Akira; Goto, Takayuki; Suzuki, Takao.

In: Journal of the Physical Society of Japan, Vol. 76, No. 6, 064706, 06.2007.

Research output: Contribution to journalArticle

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AU - Goto,Takayuki

AU - Suzuki,Takao

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AB - The antiferromagnetic ordering in the solid-solution of the two spin-gap systems (CH 3) 2CHNH 3CuCl 3 and (CH 3) 2CHNH 3CuBr 3 has been investigated by 1H-NMR. The sample with the Cl-content ratio x = 0:85 showed a clear splitting in spectra below T N = 13:5 K, where the spin-lattice relaxation rate T 1 -1 showed a diverging behavior. The critical exponent of the temperature dependence of the hyperfine field is found to be 0.33.

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