HIGH-PRESSURE CONDUCTIVITY STUDY OF TEMPLATE SYNTHESIZED POLYPYRROLE - OBSERVATION OF A CROSSOVER FROM 3-DIMENSIONAL TO ONE-DIMENSIONAL VARIABLE-RANGE-HOPPING

Authors
LORENZ B SPATZ JP HOCHHEIMER HD MENON V PARTHASARATHY R MARTIN CR BECHTOLD J HOR PH
Citation
B. Lorenz et al., HIGH-PRESSURE CONDUCTIVITY STUDY OF TEMPLATE SYNTHESIZED POLYPYRROLE - OBSERVATION OF A CROSSOVER FROM 3-DIMENSIONAL TO ONE-DIMENSIONAL VARIABLE-RANGE-HOPPING, Philosophical magazine. B. Physics of condensed matter. Structural, electronic, optical and magnetic properties, 71(5), 1995, pp. 929-940
Citations number
28
Categorie Soggetti
Physics, Applied
Journal title
Philosophical magazine. B. Physics of condensed matter. Structural, electronic, optical and magnetic properties → ACNP
ISSN journal
09586644
Volume
71
Issue
5
Year of publication
1995
Pages
929 - 940
Database
ISI
SICI code
0958-6644(1995)71:5<929:HCSOTS>2.0.ZU;2-A
Abstract
We have studied thin films of thin and thick wall template synthesized polypyrrole microtubules. We observe a crossover from three- to one-d imensional variable range hopping in our samples at low temperatures. Our results clearly indicate that the geometry of the microtubules has an influence on the conductivity. The transition temperature from thr ee- to one-dimensional Variable range hopping shifts to lower temperat ures when high pressure is applied. The results are discussed on the b asis of the geometry of the microtubules.