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Titolo: ESR STUDY OF ALKALI-DOPED POLYACENIC SEMICONDUCTOR (PAS) MATERIALS PREPARED BY THERMAL-DECOMPOSITION OF AZIDES
Autore: AGO H; KUGA T; YAMABE T; TANAKA K; YATA S; ANDO N;
- Indirizzi:
- KYOTO UNIV,GRAD SCH ENGN,DIV MOL ENGN,SAKYO KU KYOTO 60601 JAPAN KANEBO LTD,BATTERY BUSINESS PROMOT,MIYAKOJIMA KU OSAKA 534 JAPAN
- Titolo Testata:
- Carbon
fascicolo: 5,
volume: 35,
anno: 1997,
pagine: 651 - 656
- SICI:
- 0008-6223(1997)35:5<651:ESOAPS>2.0.ZU;2-M
- Fonte:
- ISI
- Lingua:
- ENG
- Soggetto:
- ELECTRON-SPIN-RESONANCE; PRISTINE; NMR;
- Keywords:
- PYROLYTIC CARBON; INTERCALATION; ELECTRON SPIN RESONANCE; ELECTRONIC STRUCTURE;
- Tipo documento:
- Article
- Natura:
- Periodico
- Settore Disciplinare:
- Science Citation Index Expanded
- Science Citation Index Expanded
- Citazioni:
- 32
- Recensione:
- Indirizzi per estratti:
-
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- Citazione:
- H. Ago et al., "ESR STUDY OF ALKALI-DOPED POLYACENIC SEMICONDUCTOR (PAS) MATERIALS PREPARED BY THERMAL-DECOMPOSITION OF AZIDES", Carbon, 35(5), 1997, pp. 651-656
Abstract
The alkali-doped polyacenic semiconductor (PAS) materials have been prepared by thermal decomposition of alkali azides (AN(3), where A=Li, Na, K and Rb) in vacuo, and their electronic properties have been studied based on the electron spin resonance (ESR) spectral measurements as functions of atomic number (Z) of the dopant metal and of temperature (T) in the range 2-300 K. From the ESR spectrum, it was confirmed that the PAS material was successfully doped by a certain amount of alkali metal. The value of ESR linewidth was found to increase with Z and to linearly decrease with decreasing T. This behavior strongly suggests that conduction electrons generated by the doping have some probability to locate on the dopant metal atom and that such a location is probably suppressed at low temperatures in a rather uniform manner irrespective of metal species. (C) 1997 Elsevier Science Ltd.
ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 15/01/21 alle ore 22:50:06