Semiconductor-to-metal transition in the ladder polymer BBB

P. Bätz; D. Schmeißer; I. Belaish; D. Davidov; W. Göpel

doi:10.1016/0379-6779(91)91909-T

Semiconductor-to-metal transition in the ladder polymer BBB

P. Bätz^*, D. Schmeißer, I. Belaish, D. Davidov, W. Göpel

^*Corresponding author for this work

Racah Institute of Physics

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Abstract

Chemical and electronic properties of BBB rigid-rod ladder polymers are investigated using XPS, UPS, HREELS, and TDS before and after heat treatment. The XPS results give clear evidence for an abrupt structural transformation of the BBB polymer at an annealing temperature of 960K. At the same temperature, the UPS data indicate a semiconductor-to-metal transition with a metallic density of states at the Fermi level.

Original language	English
Pages (from-to)	1609-1613
Number of pages	5
Journal	Synthetic Metals
Volume	42
Issue number	1-2
DOIs	https://doi.org/10.1016/0379-6779(91)91909-T
State	Published - 15 May 1991

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abstract = "Chemical and electronic properties of BBB rigid-rod ladder polymers are investigated using XPS, UPS, HREELS, and TDS before and after heat treatment. The XPS results give clear evidence for an abrupt structural transformation of the BBB polymer at an annealing temperature of 960K. At the same temperature, the UPS data indicate a semiconductor-to-metal transition with a metallic density of states at the Fermi level.",

author = "P. B{\"a}tz and D. Schmei{\ss}er and I. Belaish and D. Davidov and W. G{\"o}pel",

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AU - Schmeißer, D.

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AU - Davidov, D.

AU - Göpel, W.

PY - 1991/5/15

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N2 - Chemical and electronic properties of BBB rigid-rod ladder polymers are investigated using XPS, UPS, HREELS, and TDS before and after heat treatment. The XPS results give clear evidence for an abrupt structural transformation of the BBB polymer at an annealing temperature of 960K. At the same temperature, the UPS data indicate a semiconductor-to-metal transition with a metallic density of states at the Fermi level.

AB - Chemical and electronic properties of BBB rigid-rod ladder polymers are investigated using XPS, UPS, HREELS, and TDS before and after heat treatment. The XPS results give clear evidence for an abrupt structural transformation of the BBB polymer at an annealing temperature of 960K. At the same temperature, the UPS data indicate a semiconductor-to-metal transition with a metallic density of states at the Fermi level.

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Semiconductor-to-metal transition in the ladder polymer BBB

Abstract

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