Michael OKeeffe
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Explore the profile of Michael OKeeffe including associated specialties, affiliations and a list of published articles.
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152
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7045
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Recent Articles
1.
OKeeffe M, Treacy M
Acta Crystallogr A Found Adv
. 2025 Feb;
81(Pt 2):151-158.
PMID: 39950308
A systematic description of 1-periodic polycatenanes is given. The description uses piecewise-linear embeddings (straight edges) and is limited to structures with symmetry-related vertices (isogonal). Components linked are polygons, including knotted...
2.
OKeeffe M, Treacy M
Acta Crystallogr A Found Adv
. 2025 Jan;
81(Pt 2):107-112.
PMID: 39783271
We report symmetric (vertex- and arc-transitive) embeddings of catenated rings, polyhedra and rods. Linked triangles form infinite families of structures, and we limit this report to only structures with each...
3.
Cao H, Shi L, Xiong Z, Zhu H, Wang H, Wang K, et al.
Adv Mater
. 2024 Nov;
37(4):e2414362.
PMID: 39568295
2D metal-organic frameworks (2D-MOFs) are an important class of functional porous materials. However, the low porosity and surface area of 2D-MOFs have greatly limited their functionalities and applications. Herein, the...
4.
Delgado-Friedrichs O, OKeeffe M, Treacy M
Acta Crystallogr A Found Adv
. 2024 Nov;
81(Pt 1):49-56.
PMID: 39558850
Ladder graphs admit a maximum-symmetry embedding in which edges coincide. In folding ladders, there are no zero-length edges. We give examples of high-symmetry 3-periodic ladders, particularly emphasizing the structures of...
5.
Jiang H, Benzaria S, Alsadun N, Jia J, Czaban-Jozwiak J, Guillerm V, et al.
Science
. 2024 Nov;
386(6722):659-666.
PMID: 39509491
Rational design of intricate multicomponent reticular structures is often hindered by the lack of suitable blueprint nets. We established the merged-net approach, proffering optimal balance between designability and complexity, as...
6.
Kaplan C, OKeeffe M, Treacy M
Acta Crystallogr A Found Adv
. 2024 Oct;
80(Pt 6):460-463.
PMID: 39377144
This article describes the diffraction pattern (2-periodic Fourier transform) from the vertices of a large patch of the recently discovered `Spectre' tiling - a strictly chiral aperiodic monotile. It was...
7.
Kaplan C, OKeeffe M, Treacy M
Acta Crystallogr A Found Adv
. 2023 Dec;
80(Pt 1):72-78.
PMID: 38059825
The diffraction pattern from the recently reported aperiodic `einstein', or `hat', monohedral tiling [Smith et al. (2023). arXiv:2303.10798v1] has been analyzed. The structure is the hexagonal mta net, a kite...
8.
OKeeffe M, Treacy M
Acta Crystallogr A Found Adv
. 2023 Nov;
80(Pt 1):86-93.
PMID: 38031932
For 2-periodic polycatenanes with isogonal (vertex-transitive) embeddings, the basic units linked are torus knots and links including the unknots (untangled polygons). Twenty-four infinite families have been identified, with hexagonal, tetragonal...
9.
OKeeffe M, Treacy M
Acta Crystallogr A Found Adv
. 2023 Nov;
80(Pt 1):79-85.
PMID: 37994705
This article describes periodic polycatenane structures built from interlocked rings in which no two are directly linked. The 2-periodic vertex-, edge- and ring-transitive families of hexagonal Borromean rings are described...
10.
OKeeffe M, Treacy M
Acta Crystallogr A Found Adv
. 2023 Oct;
79(Pt 6):560-569.
PMID: 37882210
Two- and three-periodic vertex-transitive (isogonal) piecewise-linear embeddings of self-entangled and interwoven honeycomb nets are described. The infinite families with trigonal symmetry and edge transitivity (isotoxal) are particularly interesting as they...