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  Simultaneous optical detection of chlorine NQR of p-dichlorobenzene in its non-radiative So and phosphorescent T1 state in a mixed single crystal

Dinse, K., & von Borczyskowski, C. (1979). Simultaneous optical detection of chlorine NQR of p-dichlorobenzene in its non-radiative So and phosphorescent T1 state in a mixed single crystal. Chemical Physics, 44(1), 93-101. doi:10.1016/0301-0104(79)80066-X.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0004-5848-9 Version Permalink: https://hdl.handle.net/21.11116/0000-0004-5849-8
Genre: Journal Article

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ChemPhys_44_1979_93.pdf (Any fulltext), 677KB
 
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 Creators:
Dinse, Klaus−Peter1, Author           
von Borczyskowski , C., Author
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1Max Planck Institute for Medical Research, Max Planck Society, ou_1125545              

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 Abstract: By a combined optical and microwave pumping cycle electron spin alignment is transferred to the diluted chlorine nuclear spins. Because of the conservation of nuclear spin alignment during the electronic excitation and phosphorescence decay, NQR transitions within the excited triplet and electronic ground state of p-dichloro-benzene (p-DCB) can be detected optically in a dilute mixed single crystal. A detailied analysis of NQR transition frequencies and intensities in the T1 state has been performed. For the first time the change of the molecular field gradient under electronic excitation could be observed at the chlorine site. The NQR frequency change Δνq(So, T1) was found to be matrix dependent and varied from 2.52 MHz (p-dibromobenzene) to 3.75 MHz (xylene).

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Language(s): eng - English
 Dates: 1979-05-282001-11-121979-11-15
 Publication Status: Issued
 Pages: 9
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/0301-0104(79)80066-X
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Title: Chemical Physics
  Other : Chem. Phys.
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier B.V.
Pages: - Volume / Issue: 44 (1) Sequence Number: - Start / End Page: 93 - 101 Identifier: ISSN: 0301-0104
CoNE: https://pure.mpg.de/cone/journals/resource/954925509371