Critical dynamics in layer-structured (<math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msub><mrow><mi mathvariant="normal">C</mi></mrow><mrow><mn>18</mn></mrow></msub></mrow></math><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msub><mrow><mi mathvariant="normal">H</mi></mrow><mrow><mn>37</mn></mrow></msub></mrow></math><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msub><mrow><mi mathvariant="normal">NH</mi></mrow><mrow><mn>3</mn></mrow></msub></mrow></math><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msub><mrow><mo>)</mo></mrow><mrow><mn>2</mn></mrow></msub></mrow></math><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msub><mrow><mi mathvariant="normal">SnCl</mi></mrow><mrow><mn>6</mn></mrow></msub></mrow></math>

K. W. Lee; C. H. Lee; C. E. Lee; J. K. Kang

doi:10.1103/PhysRevB.54.8989

Critical dynamics in layer-structured ( $C_{18}$ $H_{37}$ ${NH}_{3}$ $)_{2}$ ${SnCl}_{6}$

K. W. Lee, C. H. Lee, C. E. Lee, and J. K. Kang

Phys. Rev. B 54, 8989 – Published 1 October 1996

Abstract

Phase transitions in the layer structured ( $C_{18}$ $H_{37}$ ${NH}_{3}$ $)_{2}$ ${SnCl}_{6}$ were studied by 200-MHz ${}^{1}H$ NMR spin-lattice relaxation measurements. An order parameter corresponding to the order-disorder motion, defined by the fraction of the longer spin-lattice relaxation time constant component, revealed its three dimensionality, which was consistent with the temperature dependence of the spin-lattice relaxation rate. © 1996 The American Physical Society.

Received 22 November 1995

DOI:https://doi.org/10.1103/PhysRevB.54.8989

Authors & Affiliations

K. W. Lee, C. H. Lee, and C. E. Lee

Department of Physics, Korea University, Seoul 136-701, Korea

J. K. Kang

Department of Chemistry, Jeonju University, Jeonju 560-759, Korea

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Vol. 54, Iss. 13 — 1 October 1996

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covering condensed matter and materials physics