Picosecond Photoinduced Dichroism in Trans-(CH)x: Direct Measurement of Soliton Diffusion

Z. Vardeny, J. Strait, D. Moses, T. -C. Chung, and A. J. Heeger
Phys. Rev. Lett. 49, 1657 – Published 29 November 1982
PDFExport Citation

Abstract

Photoinduced dichroism caused by bleaching of the interband transition in trans-(CH)x was observed in the picosecond time domain. The bleaching is induced instantaneously and decays with time as t12, changing to a lower power after ∼50 psec. Although the photoinduced bleaching persists to long times, polarization memory is lost after ∼109 sec. The results provide a measurement of the diffusion constant of the charged excitations; D2×102 cm2 sec1 at 300 and 80 K.

  • Received 2 August 1982

DOI:https://doi.org/10.1103/PhysRevLett.49.1657

©1982 American Physical Society

Authors & Affiliations

Z. Vardeny* and J. Strait

  • Division of Engineering and Department of Physics, Brown University, Providence, Rhode Island 02912

D. Moses, T. -C. Chung, and A. J. Heeger

  • Institute for Polymers and Organic Solids, University of California at Santa Barbara, Santa Barbara, California 93106

  • *Permanent address: Physics Department, Technion, Haifa, Israel.

References (Subscription Required)

Click to Expand
Issue

Vol. 49, Iss. 22 — 29 November 1982

Reuse & Permissions
Access Options
Author publication services for translation and copyediting assistance advertisement

Authorization Required


×
×

Images

×

Sign up to receive regular email alerts from Physical Review Letters

Log In

Cancel
×

Search


Article Lookup

Paste a citation or DOI

Enter a citation
×