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Pure and Applied Chemistry

The Scientific Journal of IUPAC

Ed. by Burrows, Hugh / Weir, Ron / Stohner, Jürgen

12 Issues per year

IMPACT FACTOR 2013: 3.112
Rank 41 out of 148 in category Multidisciplinary Chemistry in the 2013 Thomson Reuters Journal Citation Report/Science Edition

SCImago Journal Rank (SJR): 1.172
Source Normalized Impact per Paper (SNIP): 1.106

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Multiply coated microspheres. A platform for realizing fields-induced structural transition and photonic bandgap

Ping Sheng1 / Weijia Wen1 / Ning Wang1 / Hongru Ma1 / Zhifang Lin1 / W. Y. Zhang1 / X. Y. Lei1 / Z. L. Wang1 / D. G. Zheng1 / Wing Yim Tam1 / C. T. Chan1

1Department of Physics, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China

Citation Information: Pure and Applied Chemistry. Volume 72, Issue 1-2, Pages 309–315, ISSN (Online) 1365-3075, ISSN (Print) 0033-4545, DOI: 10.1351/pac200072010309, January 2009

Publication History

Published Online:
2009-01-01

Under crossed electric and magnetic fields, multiply coated microspheres form columnar crystallites with an internal structure that transforms from body-centered-tetragonal to face-centered-cubic as the ratio between the magnetic and the electric fields exceeds a minimum value. The observed transition scenario is in excellent agreement with calculations. These multiply coated microspheres also serve as building blocks for photonic crystals. Robust photonic gaps exist in any periodic structure built from such spheres when the filling ratio of the spheres exceeds a threshold.

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