✦ LIBER ✦

Optical study of nanosecond spin—lattice relaxation in the triplet state of benzil near room temperature

✍ Scribed by T. Kohmoto; Y. Fukuda; R. Kuroda; T. Hashi

Publisher: Elsevier Science
Year: 1985
Tongue: English
Weight: 434 KB
Volume: 119
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(85)80451-6

No coin nor oath required. For personal study only.

✦ Synopsis

Nanosscond spin-ldtlice rclavalion (SLR) times arc measured m chv: rriplel s~rllt: of Ned benul IIL'W room ~cmperawrc The &CCI of the SLR on Ihe phosphorescence EZ dewcLed by using a rimc-corrclsred single-phoron-counllng lechniyue from 150 LO X8 K. The rhermal dcacuxalion of zhe rrap is also invesIigated The chnmcxnstic ensrgws dcvan~ 10 the SLR and Lhe dszxwntron or rhe wrap are 1.3 x lo3 and 3 7 x 10' cm-'_ rrrpeci~vely.

📜 SIMILAR VOLUMES

Nanosecond-resolved optically detected m

Nanosecond-resolved optically detected magnetic resonance: application to the study of triplet-state spin—lattice relaxation in benzil crystals

✍ R. Gillies; W.U. Spendel; A.M.Ponte Goncalves 📂 Article 📅 1979 🏛 Elsevier Science 🌐 English ⚖ 439 KB

A zero field magnetic resonance spectrometer capable of investigating triplet states undergoing physical or chemicai processes in tens of nanoseconds is described. The spectrometer emplo] s pulsed laser exitation and time-resolved phosphorcscence detection. together with very high power (1 I&Q micro

Direct measurement of optical spin orien

Direct measurement of optical spin orientation in the excited triplet state of aromatic hydrocarbons at room temperature

✍ Yoshihiro Takagi 📂 Article 📅 1985 🏛 Elsevier Science 🌐 English ⚖ 411 KB

Optically induced magnelizallon has been observed in polycrys~als and solulions or various aromatic carbonyls, quinones. and aza-aromalics at room lemperalure using a simple pickupxoil detector. The magnetic-Lcld dependence of the mngmtude or Ihe induced magncGadon provided clear evidence of the cre

The phosphorescent triplet state of anil

The phosphorescent triplet state of aniline in a p-xylene host crystal: a study of spin-spin and spin-lattice relaxation

✍ H.M. van Noort; C.A. van't Hof; B. Wirnitzer; J. Schmidt 📂 Article 📅 1981 🏛 Elsevier Science 🌐 English ⚖ 667 KB

It is shown that the spm-spin and spin-lattice relaxation rates in the lowest triplet state of aniline in a p-xylene host crystal are determmed by the presence of a close-lying local phonon state. It is concluded that the motion of the aniline molecule has a highly localised character.

The anisotropy of the spin-lattice relax

The anisotropy of the spin-lattice relaxation rate in the excited triplet state of quinoxaline

✍ U. Konzelmann; M. Schwoerer 📂 Article 📅 1973 🏛 Elsevier Science 🌐 English ⚖ 317 KB

for the triplet state of quinosdinc in durene and in pcrdeuterated naphthalene (Na'a) with the pulse uturation method. In the N-da host crystai rhe anisotropy is identical for both molecular orientations A and B.

Anisotropic spin—lattice relaxation in t

Anisotropic spin—lattice relaxation in the triplet state of naphtralene-h8 in n-pentane

✍ Sanjib Ghosh; Jeffry G. Weers; Michael Petrin; August H. Maki 📂 Article 📅 1984 🏛 Elsevier Science 🌐 English ⚖ 658 KB

The temperature dependence of the individual spin-lattice relasation rate constants (Ii',) between the lowest triplet sublevels of naphthalene-lrs in B polyqstalline Shpol'skii matrix of n-pentane have been measured between I.?, and 1.4 Ii in zero field. The toral sublevel decay constants are evalua

The influence of local phonons on spin-l

The influence of local phonons on spin-lattice relaxation in photo-excited triplet states

✍ P.J.F. Verbeek; C.A. van't Hof; J. Schmidt 📂 Article 📅 1977 🏛 Elsevier Science 🌐 English ⚖ 299 KB