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

doi:10.1143/JPSJ.76.064706

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 journal › Article › peer-review

17 Citations (Scopus)

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.

Original language	English
Article number	064706
Journal	journal of the physical society of japan
Volume	76
Issue number	6
DOIs	https://doi.org/10.1143/JPSJ.76.064706
Publication status	Published - 2007 Jun
Externally published	Yes

Keywords

Disordered spin-gap systems
Magnetic order
NMR

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1143/JPSJ.76.064706

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title = "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 ",

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.",

keywords = "Disordered spin-gap systems, Magnetic order, NMR",

author = "Keishi Kanada and Takehiro Saito and Akira Oosawa and Takayuki Goto and Takao Suzuki",

year = "2007",

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T1 - 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

AU - Kanada, Keishi

AU - Saito, Takehiro

AU - Oosawa, Akira

AU - Goto, Takayuki

AU - Suzuki, Takao

PY - 2007/6

Y1 - 2007/6

N2 - 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.

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.

KW - Disordered spin-gap systems

KW - Magnetic order

KW - NMR

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