63/65Cu-NMR study of the quantum spin system NH 4CuCl3showing magnetization plateaus

H. Inoue, T. Saito, S. Tani, S. Hosoya, A. Oosawa, T. Goto, M. Fujisawa, H. Tanaka, T. Sasaki, S. Awaji, K. Watanabe, N. Kobayashi

Research output: Contribution to journalArticlepeer-review

Abstract

A quantum spin magnet NH4CuCl3 is a three dimensional dimer system, which shows a two-stepped magnetization plateaus at M 1/4 and 3/4. In order to investigate the spatial configuration of field-induced triplons under high-field, Cu-NMR study has been performed in the field region between the first and the second plateau. It has been found that the same numbers of the differently-oriented two dimers in a unit cell remain unoccupied by triplons. This gives a strong restriction to the model to describe the plateaus in this system.

Original languageEnglish
Article number022
Pages (from-to)103-106
Number of pages4
JournalJournal of Physics: Conference Series
Volume51
Issue number1
DOIs
Publication statusPublished - 2006 Dec 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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