Elementary triangles in a 2D binary colloidal glass former

by: H König

EPL (Europhysics Letters), Vol. 71, No. 5. (2005), pp. 838-844.

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Abstract

Particle positions of a two-dimensional (2D) binary colloidal glass former were measured video-microscopically. Local density-optimized structures of triangles of nearest-neighboring particles (TNNP) were found from the shortest pair-distances. These are referred to as elementary triangles (ET)--exactly one for each 3-particle combination of the two kinds of colloids. Clustering of ET-like TNNP implies larger distances between two particles, which generate the near-zone maxima in the pair-distribution functions. Tiling mismatches of different kinds of ET create structural frustrations. Increasing combination possibilities for the tiling of the different ET lead to the loss of long-range order for larger pair-distances. All features of the pair-distribution functions are qualitatively described.

@article{citeulike:2706736, abstract = {Particle positions of a two-dimensional (2D) binary colloidal glass former were measured video-microscopically. Local density-optimized structures of triangles of nearest-neighboring particles (TNNP) were found from the shortest pair-distances. These are referred to as elementary triangles (ET)--exactly one for each 3-particle combination of the two kinds of colloids. Clustering of ET-like TNNP implies larger distances between two particles, which generate the near-zone maxima in the pair-distribution functions. Tiling mismatches of different kinds of ET create structural frustrations. Increasing combination possibilities for the tiling of the different ET lead to the loss of long-range order for larger pair-distances. All features of the pair-distribution functions are qualitatively described.}, author = {K\&\#246;nig, H. }, citeulike-article-id = {2706736}, doi = {10.1209/epl/i2005-10153-8}, journal = {EPL (Europhysics Letters)}, number = {5}, pages = {838--844}, posted-at = {2008-04-23 10:30:41}, priority = {2}, title = {Elementary triangles in a 2D binary colloidal glass former}, url = {http://dx.doi.org/10.1209/epl/i2005-10153-8}, volume = {71}, year = {2005} }

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TY - JOUR ID - citeulike:2706736 TI - Elementary triangles in a 2D binary colloidal glass former JF - EPL (Europhysics Letters) VL - 71 IS - 5 SP - 838 EP - 844 N2 - Particle positions of a two-dimensional (2D) binary colloidal glass former were measured video-microscopically. Local density-optimized structures of triangles of nearest-neighboring particles (TNNP) were found from the shortest pair-distances. These are referred to as elementary triangles (ET)--exactly one for each 3-particle combination of the two kinds of colloids. Clustering of ET-like TNNP implies larger distances between two particles, which generate the near-zone maxima in the pair-distribution functions. Tiling mismatches of different kinds of ET create structural frustrations. Increasing combination possibilities for the tiling of the different ET lead to the loss of long-range order for larger pair-distances. All features of the pair-distribution functions are qualitatively described. AU - König, H PY - 2005/// UR - http://dx.doi.org/10.1209/epl/i2005-10153-8 ER -

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