Phase transitions and microscopic environments in TlH2PO 4 (TDP) and TlH2AsO4 (TDA) systems

Cheol Eui Lee; Chang Hoon Lee; Kyu Won Lee; Kwang Sei Lee; N. S. Dalal; R. Fu

doi:10.1080/713716007

Phase transitions and microscopic environments in TlH₂PO ₄ (TDP) and TlH₂AsO₄ (TDA) systems

Cheol Eui Lee, Chang Hoon Lee, Kyu Won Lee, Kwang Sei Lee, N. S. Dalal, R. Fu

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Nuclear magnetic resonance has been employed to study the phase transitions and microscopic structures in TlH 2 PO 4 (TDP) and TlH 2 AsO 4 (TDA) systems. The phase transitions were sensitively reflected in the rotating frame spin-lattice relaxation probing the ultra-slow microdomain motions. A prominent thermal hysteresis in the 1 H NMR- 75 As NQR cross relaxation in TDA attributed to a ferroelastic glassy nature was also observed. Besides, our high resolution 31 P NMR measurement further elucidated the nature of the microscopic environments and the phase transitions in the TDP system.

Original language	English
Pages (from-to)	29-34
Number of pages	6
Journal	Ferroelectrics
Volume	268
DOIs	https://doi.org/10.1080/713716007
Publication status	Published - 2002 Jan 1

Keywords

Microdomains
NMR
Phase transitions
TlHAsO
TlHPO

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

Access to Document

10.1080/713716007

Cite this

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title = "Phase transitions and microscopic environments in TlH2PO 4 (TDP) and TlH2AsO4 (TDA) systems",

abstract = "Nuclear magnetic resonance has been employed to study the phase transitions and microscopic structures in TlH 2 PO 4 (TDP) and TlH 2 AsO 4 (TDA) systems. The phase transitions were sensitively reflected in the rotating frame spin-lattice relaxation probing the ultra-slow microdomain motions. A prominent thermal hysteresis in the 1 H NMR- 75 As NQR cross relaxation in TDA attributed to a ferroelastic glassy nature was also observed. Besides, our high resolution 31 P NMR measurement further elucidated the nature of the microscopic environments and the phase transitions in the TDP system.",

keywords = "Microdomains, NMR, Phase transitions, TlHAsO, TlHPO",

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AU - Lee, Chang Hoon

AU - Lee, Kyu Won

AU - Lee, Kwang Sei

AU - Dalal, N. S.

AU - Fu, R.

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AB - Nuclear magnetic resonance has been employed to study the phase transitions and microscopic structures in TlH 2 PO 4 (TDP) and TlH 2 AsO 4 (TDA) systems. The phase transitions were sensitively reflected in the rotating frame spin-lattice relaxation probing the ultra-slow microdomain motions. A prominent thermal hysteresis in the 1 H NMR- 75 As NQR cross relaxation in TDA attributed to a ferroelastic glassy nature was also observed. Besides, our high resolution 31 P NMR measurement further elucidated the nature of the microscopic environments and the phase transitions in the TDP system.

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