Pressure effects on the electron spin relaxation of several radicals in solution

Yoshimi Sueishi; Keiji Kuwata

doi:10.1016/0009-2614(89)80078-8

Pressure effects on the electron spin relaxation of several radicals in solution

Yoshimi Sueishi, Keiji Kuwata

研究成果 › 査読

抄録

The pressure effect on the decay rate of chemically induced dynamic electron spin polarization (CIDEP) was investigated on several free-radical intermediates in photolysis, and the spin-lattice relaxation times for these radicals were estimated from the decay rates of CIDEP signals at various pressures. The spin-lattice relaxation rates were retarded by increasing external pressure. From the pressure dependence of the spin-lattice relaxation rates the activation volume was estimated. The activation volumes of these radicals divide into two groups; ≈30 cm³ mol^-1 for negative ions and ≈10 cm³ mol^-1 for neutral radicals.

本文言語	English
ページ（範囲）	640-643
ページ数	4
ジャーナル	Chemical Physics Letters
巻	160
号	5-6
DOI	https://doi.org/10.1016/0009-2614(89)80078-8
出版ステータス	Published - 8月 25 1989

ASJC Scopus subject areas

物理学および天文学（全般）
物理化学および理論化学

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10.1016/0009-2614(89)80078-8

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abstract = "The pressure effect on the decay rate of chemically induced dynamic electron spin polarization (CIDEP) was investigated on several free-radical intermediates in photolysis, and the spin-lattice relaxation times for these radicals were estimated from the decay rates of CIDEP signals at various pressures. The spin-lattice relaxation rates were retarded by increasing external pressure. From the pressure dependence of the spin-lattice relaxation rates the activation volume was estimated. The activation volumes of these radicals divide into two groups; ≈30 cm3 mol-1 for negative ions and ≈10 cm3 mol-1 for neutral radicals.",

author = "Yoshimi Sueishi and Keiji Kuwata",

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AU - Sueishi, Yoshimi

AU - Kuwata, Keiji

PY - 1989/8/25

Y1 - 1989/8/25

N2 - The pressure effect on the decay rate of chemically induced dynamic electron spin polarization (CIDEP) was investigated on several free-radical intermediates in photolysis, and the spin-lattice relaxation times for these radicals were estimated from the decay rates of CIDEP signals at various pressures. The spin-lattice relaxation rates were retarded by increasing external pressure. From the pressure dependence of the spin-lattice relaxation rates the activation volume was estimated. The activation volumes of these radicals divide into two groups; ≈30 cm3 mol-1 for negative ions and ≈10 cm3 mol-1 for neutral radicals.

AB - The pressure effect on the decay rate of chemically induced dynamic electron spin polarization (CIDEP) was investigated on several free-radical intermediates in photolysis, and the spin-lattice relaxation times for these radicals were estimated from the decay rates of CIDEP signals at various pressures. The spin-lattice relaxation rates were retarded by increasing external pressure. From the pressure dependence of the spin-lattice relaxation rates the activation volume was estimated. The activation volumes of these radicals divide into two groups; ≈30 cm3 mol-1 for negative ions and ≈10 cm3 mol-1 for neutral radicals.

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Pressure effects on the electron spin relaxation of several radicals in solution

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