Saturation of dephasing and magnetoresistance features in heavily doped polyacetylene

A. N. Aleshin; V. I. Kozub; D. S. Suh; Y. W. Park

doi:10.1016/S0379-6779(02)00566-0

Saturation of dephasing and magnetoresistance features in heavily doped polyacetylene

A. N. Aleshin, V. I. Kozub, D. S. Suh, Y. W. Park

Department of Physics

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

We studied the anomalous behavior of resistivity and magnetoresistance (MR) of polyacetylene (PA) heavily doped with ClO₄^-, FeCl ₄^- and iodine at magnetic fields H=0-30 T in the temperature range 500 mK - 300 K. We attributed these anomalies to the low temperature saturation of electron dephasing by two-level systems of a special type (at low H). We demonstrate that the linear negative MR observed at high H indicates that a network of point interfibrillar contacts controls the current transport even in heavily doped PA.

Original language	English
Pages (from-to)	303-304
Number of pages	2
Journal	Synthetic Metals
Volume	135-136
DOIs	https://doi.org/10.1016/S0379-6779(02)00566-0
State	Published - 4 Apr 2003

Keywords

Conductivity
Magnetotransport
Polyacetylene and derivatives
Transport measurements

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title = "Saturation of dephasing and magnetoresistance features in heavily doped polyacetylene",

abstract = "We studied the anomalous behavior of resistivity and magnetoresistance (MR) of polyacetylene (PA) heavily doped with ClO4-, FeCl 4- and iodine at magnetic fields H=0-30 T in the temperature range 500 mK - 300 K. We attributed these anomalies to the low temperature saturation of electron dephasing by two-level systems of a special type (at low H). We demonstrate that the linear negative MR observed at high H indicates that a network of point interfibrillar contacts controls the current transport even in heavily doped PA.",

keywords = "Conductivity, Magnetotransport, Polyacetylene and derivatives, Transport measurements",

author = "Aleshin, {A. N.} and Kozub, {V. I.} and Suh, {D. S.} and Park, {Y. W.}",

year = "2003",

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doi = "10.1016/S0379-6779(02)00566-0",

language = "English",

volume = "135-136",

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TY - JOUR

T1 - Saturation of dephasing and magnetoresistance features in heavily doped polyacetylene

AU - Aleshin, A. N.

AU - Kozub, V. I.

AU - Suh, D. S.

AU - Park, Y. W.

PY - 2003/4/4

Y1 - 2003/4/4

N2 - We studied the anomalous behavior of resistivity and magnetoresistance (MR) of polyacetylene (PA) heavily doped with ClO4-, FeCl 4- and iodine at magnetic fields H=0-30 T in the temperature range 500 mK - 300 K. We attributed these anomalies to the low temperature saturation of electron dephasing by two-level systems of a special type (at low H). We demonstrate that the linear negative MR observed at high H indicates that a network of point interfibrillar contacts controls the current transport even in heavily doped PA.

AB - We studied the anomalous behavior of resistivity and magnetoresistance (MR) of polyacetylene (PA) heavily doped with ClO4-, FeCl 4- and iodine at magnetic fields H=0-30 T in the temperature range 500 mK - 300 K. We attributed these anomalies to the low temperature saturation of electron dephasing by two-level systems of a special type (at low H). We demonstrate that the linear negative MR observed at high H indicates that a network of point interfibrillar contacts controls the current transport even in heavily doped PA.

KW - Conductivity

KW - Magnetotransport

KW - Polyacetylene and derivatives

KW - Transport measurements

UR - http://www.scopus.com/inward/record.url?scp=23044432705&partnerID=8YFLogxK

U2 - 10.1016/S0379-6779(02)00566-0

DO - 10.1016/S0379-6779(02)00566-0

M3 - Article

AN - SCOPUS:23044432705

SN - 0379-6779

VL - 135-136

SP - 303

EP - 304

JO - Synthetic Metals

JF - Synthetic Metals

ER -

Saturation of dephasing and magnetoresistance features in heavily doped polyacetylene

Abstract

Keywords

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