NMR study on the quantum spin ladder NH4CuCl3

Shigeharu Hosoya, Kaori Inokuchi, Takao Suzuki, Takayuki Goto, Hidekazu Tanaka, Satoshi Awaji, Kazuo Watanabe, Takahiko Sasaki, Tetsuo Fukase, Tadashi Shimizu, Atsushi Goto

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


Cu-NMR study in the field up to 30 T has been performed on the two-legged quantum spin ladder system NH4CuCl3 which shows the two-stepped plateaus in magnetization. By analyzing the angular dependence of the peak shift, observed Cu-NMR spectra are assigned to the singlet site with a very small magnetic shift. The temperature dependence of this shift does not reflect that of the macroscopic magnetization, indicating that the excited triplet sites in NH4CuCl3 have a tendency to be immobile at low temperatures.

Original languageEnglish
Pages (from-to)977-978
Number of pages2
JournalPhysica B: Condensed Matter
Issue numberII
Publication statusPublished - 2003 May


  • Magnetization plateau
  • NMR
  • Quantum spin ladder


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