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

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

4 Citations (Scopus)

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.

Original language	English
Pages (from-to)	640-643
Number of pages	4
Journal	Chemical Physics Letters
Volume	160
Issue number	5-6
DOIs	https://doi.org/10.1016/0009-2614(89)80078-8
Publication status	Published - Aug 25 1989

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

Access to Document

10.1016/0009-2614(89)80078-8

Cite this

@article{2f17664511e04811a230e67460e37708,

title = "Pressure effects on the electron spin relaxation of several radicals in solution",

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",

year = "1989",

month = aug,

day = "25",

doi = "10.1016/0009-2614(89)80078-8",

language = "English",

volume = "160",

pages = "640--643",

journal = "Chemical Physics Letters",

issn = "0009-2614",

publisher = "Elsevier",

number = "5-6",

}

TY - JOUR

T1 - Pressure effects on the electron spin relaxation of several radicals in solution

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.

UR - http://www.scopus.com/inward/record.url?scp=45249125531&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=45249125531&partnerID=8YFLogxK

U2 - 10.1016/0009-2614(89)80078-8

DO - 10.1016/0009-2614(89)80078-8

M3 - Article

AN - SCOPUS:45249125531

SN - 0009-2614

VL - 160

SP - 640

EP - 643

JO - Chemical Physics Letters

JF - Chemical Physics Letters

IS - 5-6

ER -

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

Abstract

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this