2-D lattice constant control in LB films containing pyrrole

S. Sha Shiratori; K. Tachi; K. Ikezaki

doi:10.1016/s0379-6779(96)04170-7

2-D lattice constant control in LB films containing pyrrole

S. Sha Shiratori, K. Tachi, K. Ikezaki

Department of Applied Physics and Physico-Informatics

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

5 Citations (Scopus)

Abstract

Pyrrole (Py) was used as a spacer molecule and we studied the structural phase transition of two-dimensional (2-D) crystal lattice of the arachidic acid (C₂₀) Langmuir-Blodgett films using atomic force microscopy. It was found that when quantity of Py in the Langmuir-Blodgett film is increased, the molecular occupation area of C₂₀ molecules increased and that the crystal lattice changed as follows : "oblique → hexagonal → rectangular". These structural phase transitions were compared with the computer simulation using 3-D model of the molecules by molecular mechanics.

Original language	English
Pages (from-to)	833-834
Number of pages	2
Journal	Synthetic Metals
Volume	84
Issue number	1-3
DOIs	https://doi.org/10.1016/s0379-6779(96)04170-7
Publication status	Published - 1997 Jan

Keywords

Atomic force microscopy
Computer simulation
Langmuir-Blodgett techniques
Polypyrrole
Single crystalline thin film
Structural phase transitions

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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abstract = "Pyrrole (Py) was used as a spacer molecule and we studied the structural phase transition of two-dimensional (2-D) crystal lattice of the arachidic acid (C20) Langmuir-Blodgett films using atomic force microscopy. It was found that when quantity of Py in the Langmuir-Blodgett film is increased, the molecular occupation area of C20 molecules increased and that the crystal lattice changed as follows : {"}oblique → hexagonal → rectangular{"}. These structural phase transitions were compared with the computer simulation using 3-D model of the molecules by molecular mechanics.",

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T1 - 2-D lattice constant control in LB films containing pyrrole

AU - Shiratori, S. Sha

AU - Tachi, K.

AU - Ikezaki, K.

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Y1 - 1997/1

N2 - Pyrrole (Py) was used as a spacer molecule and we studied the structural phase transition of two-dimensional (2-D) crystal lattice of the arachidic acid (C20) Langmuir-Blodgett films using atomic force microscopy. It was found that when quantity of Py in the Langmuir-Blodgett film is increased, the molecular occupation area of C20 molecules increased and that the crystal lattice changed as follows : "oblique → hexagonal → rectangular". These structural phase transitions were compared with the computer simulation using 3-D model of the molecules by molecular mechanics.

AB - Pyrrole (Py) was used as a spacer molecule and we studied the structural phase transition of two-dimensional (2-D) crystal lattice of the arachidic acid (C20) Langmuir-Blodgett films using atomic force microscopy. It was found that when quantity of Py in the Langmuir-Blodgett film is increased, the molecular occupation area of C20 molecules increased and that the crystal lattice changed as follows : "oblique → hexagonal → rectangular". These structural phase transitions were compared with the computer simulation using 3-D model of the molecules by molecular mechanics.

KW - Atomic force microscopy

KW - Computer simulation

KW - Langmuir-Blodgett techniques

KW - Polypyrrole

KW - Single crystalline thin film

KW - Structural phase transitions

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JO - Synthetic Metals

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ER -

2-D lattice constant control in LB films containing pyrrole

Abstract

Keywords

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