Electron-spin-resonance studies of porous polyacenic semiconductive materials

Autor:	Kazuyoshi Tanaka, Masahiro Kobashi, Tokio Yamabe, Shizukuni Yata, Jun Yamauchi, Hideki Sanekata
Rok vydání:	1991
Předmět:	Laser linewidth Materials science Nuclear magnetic resonance Condensed matter physics Spins law Semiconductor materials Electron paramagnetic resonance Porosity law.invention
Zdroj:	Physical Review B. 44:1101-1104
ISSN:	1095-3795 0163-1829
DOI:	10.1103/physrevb.44.1101
Popis:	Electron-spin-resonance (ESR) studies of porous polyacenic semiconductive materials in the pristine and the heavily ${\mathrm{I}}_{2}$-doped regimes have been carried out. The measurement temperature has been varied from 15 K to room temperature. Two kinds of typical polyacenic semiconductive sample essentially prepared by pyrolysis at 600 \ifmmode^\circ\else\textdegree\fi{}C and 700 \ifmmode^\circ\else\textdegree\fi{}C of phenol-formaldehyde resin were selected for the ESR measurements. In particular, the temperature-dependent behavior of the peak-to-peak linewidth of the ESR line shape for all samples was discussed in detail, particularly in relation to the hopping behavior of unpaired spins.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f1e831d6d9e4b89e1a374cc7f2439e0c https://doi.org/10.1103/physrevb.44.1101 Zobrazit plný text záznamu