A Highly Disordered New Solid Phase Containing Isotropically Reorienting Cations in (CH3NH3)2CdBr4 Studied by *H NMR and Thermal Measurements

Hiroyuki Ishida, Kentaro Takagi, Mifune Terashima, Daiyu Nakamura, Ryuicht Ikeda

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The 1H spin-lattice relaxation time, linewidth, second moment of 1HNMR absorption, differential thermal analysis, and differential scanning calorimctry of mcthylammonium tctrabromocado-matc(ll) crystals were studied. A new solid phase was found between 482 K and the melting point (493 K). Tlic lH NMR measurements revealed the presence of overall reorientation of methyl-ammonium cations in this phase. In the room temperature phase, 120 reorientational jumps of the CH, and NHj groups were detected.

Original languageEnglish
Pages (from-to)1190-1192
Number of pages3
JournalZeitschrift fur Naturforschung - Section A Journal of Physical Sciences
Volume45
Issue number9-10
DOIs
Publication statusPublished - Oct 1 1990

ASJC Scopus subject areas

  • Mathematical Physics
  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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