Direct observation of the energy gap generating the 1/3 magnetization plateau in the spin-1/2 trimer chain compound Cu $_{3}$ (P $_{2}$ O $_{6}$ OD) $_{2}$ by inelastic neutron scattering measurements

Hase, Masashi*; Matsuda, Masaaki; Kakurai, Kazuhisa; Ozawa, Kiyoshi*; Kitazawa, Hideaki*; Tsujii, Naohito*; Dnni, A.*; Kono, Masanori*; Hu, X.*

The magnetism of spin-1/2 trimer chain system Cu $_{3}$ (P $_{2}$ O $_{6}$ OD) $_{2}$ is studied by means of inelastic neutron scattering. A spin excitation gap of 9.8meV corresponding to singlet -triplet excitation is observed and together with the magnetization plateau data the AF exchange interaction parameters of the trimer system could be determined as J $_{1}$ =111K and J $_{2}$ =30K.

Language	:	English
Journal	:	Physical Review B
Volume	:	76
Number	:	6
Pages	:	p.064431_1 - 064431_5
Publication Year/Month	:	2007/08
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Paper URL	:	https://doi.org/10.1103/PhysRevB.76.064431
DOI for research data	:
Keywords	:	no keyword
Research Facility	:	JRR-3M(研究炉3)
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Article of JAEA R&D Review	:
Cooperating Institute	:	物質・材料研究機構

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Registration No. : AA20070954
JAEA Abstracts No. : 36000353
Paper Submission No. : 3680

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Direct observation of the energy gap generating the 1/3 magnetization plateau in the spin-1/2 trimer chain compound Cu(POOD) by inelastic neutron scattering measurements

Direct observation of the energy gap generating the 1/3 magnetization plateau in the spin-1/2 trimer chain compound Cu $_{3}$ (P $_{2}$ O $_{6}$ OD) $_{2}$ by inelastic neutron scattering measurements