English
 
Help Privacy Policy Disclaimer
  Advanced SearchBrowse

Item

ITEM ACTIONSEXPORT
  Resonance Raman investigations of the symmetric stretching mode of I3− anions in α and β phases of di-bis(ethylenedithio)tetrathiafulvalene tri-iodide

Świetlik, R., Schweitzer, D., & Keller, H. J. (1987). Resonance Raman investigations of the symmetric stretching mode of I3− anions in α and β phases of di-bis(ethylenedithio)tetrathiafulvalene tri-iodide. Physical Review B, 36(13), 6881-6888. doi:10.1103/PhysRevB.36.6881.

Item is

Basic

show hide
Genre: Journal Article
Alternative Title : Resonance Raman investigations of the symmetric stretching mode of I3− anions in alpha and beta phases of di-bis(ethylenedithio)tetrathiafulvalene tri-iodide
Alternative Title : Resonance Raman investigations of the symmetric stretching mode of I3− anions in α and β-(BEDT-TTF)2I3
Alternative Title : Resonance Raman investigations of the symmetric stretching mode of I3− anions in alpha and beta-(BEDT-TTF)2I3

Files

show Files
hide Files
:
PhysRevB_36_1987_6881.pdf (Any fulltext), 353KB
 
File Permalink:
-
Name:
PhysRevB_36_1987_6881.pdf
Description:
-
OA-Status:
Visibility:
Restricted (Max Planck Institute for Medical Research, MHMF; )
MIME-Type / Checksum:
application/pdf
Technical Metadata:
Copyright Date:
-
Copyright Info:
-
License:
-

Locators

show
hide
Description:
-
OA-Status:
Description:
-
OA-Status:

Creators

show
hide
 Creators:
Świetlik, R.1, Author           
Schweitzer, D.1, Author           
Keller, H. J., Author
Affiliations:
1Department of Molecular Physics, Max Planck Institute for Medical Research, Max Planck Society, ou_1497705              

Content

show
hide
Free keywords: -
 Abstract: The resonance Raman spectra of I3− anions in the organic superconductor β-(BEDT-TTF)2I3 [BEDT-TTF represents bis(ethylenedithio)tetrathiafulvalene] were studied and discussed in comparison with the nonsuperconducting phase of α-(BEDT-TTF)2I3. In both modifications at low temperature a splitting of the Raman mode assigned to the symmetric stretching mode of the I3− anions was discovered. The splitting of this mode in the β-(BEDT-TTF)2I3 crystals is related to the commensurate superstructure developed below 125 K in contradiction to the α phase where the splitting is related to a crystal-field effect. It is shown that an electronic excitation of the β-phase crystals by laser light can induce a structural transformation at least in a thin layer of the surface. This transformation is observed by a disappearance of the splitting of the symmetric stretching mode. The structural change can be related to a transformation from the commensurate superstructure with a superconducting transition temperature Tc=1.3 K into a more ordered and symmetric structure which becomes superconducting at Tc=8.1 K.

Details

show
hide
Language(s): eng - English
 Dates: 1987-11-01
 Publication Status: Issued
 Pages: 8
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevB.36.6881
 Degree: -

Event

show

Legal Case

show

Project information

show

Source 1

show
hide
Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 36 (13) Sequence Number: - Start / End Page: 6881 - 6888 Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008