Magnetic interaction and spin diffusion in solvent-free DPPH

J. Burg; P. Grobet; A. Van den Bosch; J. Vansummeren

doi:10.1016/0038-1098(82)90839-0

Magnetic interaction and spin diffusion in solvent-free DPPH

J. Burg
, P. Grobet
, A. Van den Bosch
, J. Vansummeren

Research output › peer-review

Abstract

Susceptibility and ESR measurements are performed on single crystals of solvent-free 2,2-diphenyl-1-picrylhydrazyl (DPPH) in a temperature range of 1.5-300 K. The susceptibility measurements are explained by pair model (2 J k = -17.6 K) but in contrast to previous powder data about 4% non-pairing paramagnetic centres are observed at low temperatures. As these centres probe the dynamics of the spin system the line width data may be explained by a low-dimensional diffusion model.

Original language	English
Pages (from-to)	785-787
Number of pages	3
Journal	Solid State Communications
Volume	43
Issue number	11
DOIs	https://doi.org/10.1016/0038-1098(82)90839-0
State	Published - Sep 1982

ASJC Scopus subject areas

General Chemistry
Condensed Matter Physics
Materials Chemistry

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10.1016/0038-1098(82)90839-0

Cite this

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title = "Magnetic interaction and spin diffusion in solvent-free DPPH",

abstract = "Susceptibility and ESR measurements are performed on single crystals of solvent-free 2,2-diphenyl-1-picrylhydrazyl (DPPH) in a temperature range of 1.5-300 K. The susceptibility measurements are explained by pair model (2 J k = -17.6 K) but in contrast to previous powder data about 4\% non-pairing paramagnetic centres are observed at low temperatures. As these centres probe the dynamics of the spin system the line width data may be explained by a low-dimensional diffusion model.",

author = "J. Burg and P. Grobet and \{Van den Bosch\}, A. and J. Vansummeren",

year = "1982",

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AU - Vansummeren, J.

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N2 - Susceptibility and ESR measurements are performed on single crystals of solvent-free 2,2-diphenyl-1-picrylhydrazyl (DPPH) in a temperature range of 1.5-300 K. The susceptibility measurements are explained by pair model (2 J k = -17.6 K) but in contrast to previous powder data about 4% non-pairing paramagnetic centres are observed at low temperatures. As these centres probe the dynamics of the spin system the line width data may be explained by a low-dimensional diffusion model.

AB - Susceptibility and ESR measurements are performed on single crystals of solvent-free 2,2-diphenyl-1-picrylhydrazyl (DPPH) in a temperature range of 1.5-300 K. The susceptibility measurements are explained by pair model (2 J k = -17.6 K) but in contrast to previous powder data about 4% non-pairing paramagnetic centres are observed at low temperatures. As these centres probe the dynamics of the spin system the line width data may be explained by a low-dimensional diffusion model.

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DO - 10.1016/0038-1098(82)90839-0

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