A considerable amount of information about optical and electronic properties of polyacetylenes has been obtained during the last decade from vibrational spectroscopy. In this lecture several basic points not yet fully understood will be discussed and a new method for evaluating the vibrational density of states for random defects will be presented
We report a theoretical study on the effect of the presence of conformational defects (soliton type)...
Author Institution: Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02...
New classes of polymers and oligomers whose backbone consists of a network of delocalized pi electro...
Les spectres de vibration du trans-Polyacétylène dopé et non dopé sont analysés à l'aide du β-carotè...
More than 30 years ago, polyacetylene was very much in the limelight, an early example of a conducti...
Nous étudions dans ce travail les effets du désordre sur les états électroniques du polyacetylène. E...
International audienceThe low‐frequency (<20 meV) polarized vibrational density of states in crystal...
International audienceThe low‐frequency (<20 meV) polarized vibrational density of states in crystal...
International audienceThe low‐frequency (<20 meV) polarized vibrational density of states in crystal...
We have calculated the normal modes « in the plane » of a trans-polyacetylene chain (CH)x, using a m...
We have calculated the normal modes « in the plane » of a trans-polyacetylene chain (CH)x, using a m...
We have calculated the normal modes « in the plane » of a trans-polyacetylene chain (CH)x, using a m...
In this work we study the electronic structure of ordered and disordered distributions of soliton-ty...
$^{*}$Present address - Department of Physics, University of Michigan $^{**}$Present address - Dep...
Author Institution: Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02...
We report a theoretical study on the effect of the presence of conformational defects (soliton type)...
Author Institution: Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02...
New classes of polymers and oligomers whose backbone consists of a network of delocalized pi electro...
Les spectres de vibration du trans-Polyacétylène dopé et non dopé sont analysés à l'aide du β-carotè...
More than 30 years ago, polyacetylene was very much in the limelight, an early example of a conducti...
Nous étudions dans ce travail les effets du désordre sur les états électroniques du polyacetylène. E...
International audienceThe low‐frequency (<20 meV) polarized vibrational density of states in crystal...
International audienceThe low‐frequency (<20 meV) polarized vibrational density of states in crystal...
International audienceThe low‐frequency (<20 meV) polarized vibrational density of states in crystal...
We have calculated the normal modes « in the plane » of a trans-polyacetylene chain (CH)x, using a m...
We have calculated the normal modes « in the plane » of a trans-polyacetylene chain (CH)x, using a m...
We have calculated the normal modes « in the plane » of a trans-polyacetylene chain (CH)x, using a m...
In this work we study the electronic structure of ordered and disordered distributions of soliton-ty...
$^{*}$Present address - Department of Physics, University of Michigan $^{**}$Present address - Dep...
Author Institution: Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02...
We report a theoretical study on the effect of the presence of conformational defects (soliton type)...
Author Institution: Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02...
New classes of polymers and oligomers whose backbone consists of a network of delocalized pi electro...
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