Magnetic excitations in the spin-52 antiferromagnetic trimer substance SrMn 3P 4O 14

Masashi Hase, Masaaki Matsuda, Koji Kaneko, Naoto Metoki, Kazuhisa Kakurai, Tao Yang, Rihong Cong, Jianhua Lin, Kiyoshi Ozawa, Hideaki Kitazawa

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

A quantum-mechanical 1/3 magnetization plateau and magnetic long-range order appear in the large-spin (5/2) substance SrMn 3P 4O 14. Previous magnetization results suggest that the spin system consists of antiferromagnetic trimers that are weakly coupled with one another. We inferred that the magnetization plateau originated from discrete energy levels of the trimer. In order to confirm the discrete energy levels, we performed inelastic neutron-scattering experiments on SrMn 3P 4O 14 powders. Observed magnetic excitations are consistent with excitations expected in the trimer model.

Original languageEnglish
Article number214402
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume84
Issue number21
DOIs
StatePublished - Dec 2 2011

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