Optical Properties of Compressed Colloidal Crystals with Rhombohedral Structures

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概要

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• We present the photonic band schemes of colloidal crystals with rhombohedral structures that are compressed along the [111] direction of a close-packed face-centered structure while maintaining the shapes of the colloidal particles. The compressed colloidal crystals transform from an $A10$ structure to an $A_{i}$ structure through a simple cubic structure. The photonic band schemes reveal that, as the colloidal crystals are compressed, the stop-band frequencies increase for $A10$ structures and decrease for $A_{i}$ structures upon becoming simple cubic structures. This transition can be explained by the change of the lattice plane responsible for Bragg diffraction.

• INSTITUTE OF PURE AND APPLIED PHYSICSの論文
• 2006-07-25

著者

• Harada Masashi

  Toyota Central R&d Laboratories Inc.

• Ishii Masahiko

  Toyota Central R&d Laboratories Inc.

• Nakamura Hiroshi

  Toyota Central R&D Laboratories, Inc., Nagakute, Aichi 480-1192, Japan

• Harada Masashi

  Toyota Central R&D Laboratories, Inc., Nagakute, Aichi 480-1192, Japan

• Ishii Masahiko

  Toyota Central R&D Laboratories, Inc., Nagakute, Aichi 480-1192, Japan

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