Nature Materials contents: January 2015 Volume 14 Number 1 pp 1-132

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TABLE OF CONTENTS January 2015 Volume 14, Issue 1 Editorial Commentaries Research Highlights News and Views Review Letters Articles Subscribe   Facebook   RSS   Recommend to library   Twitter   Editorial Top Assembling insight   p1 doi:10.1038/nmat4191 Model colloidal systems are a testbed for understanding aspects of the organization of matter. Commentaries Top Programmable self-assembly   pp2 - 9 Ludovico Cademartiri and Kyle J. M. Bishop doi:10.1038/nmat4184 Two conceptual strategies for encoding information into self-assembling building blocks highlight opportunities and challenges in the realization of programmable colloidal nanostructures. Order through entropy   pp9 - 12 Daan Frenkel doi:10.1038/nmat4178 Understanding entropic contributions to common ordering transitions is essential for the design of self-assembling systems with addressable complexity. Research Highlights Top Solidification: Homogenized steel | Electron microscopy: Imaging phonons | Black phosphorus: Undercover operation | Colloidal glasses: Sheared into two flows | Theranostics: Biogenic delivery News and Views Top Crystal-crystal transitions: Mediated by a liquid   pp15 - 16 Eduardo Sanz and Chantal Valeriani doi:10.1038/nmat4182 The nucleation of a crystal within another can involve intermediate liquid nuclei. See also: Article by Peng et al. Material witness: The final cut   p16 Philip Ball doi:10.1038/nmat4185 Colloidal phase transitions: A switch for phase shifting   pp17 - 18 Ah-Young Jee, Boyce Tsang and Steve Granick doi:10.1038/nmat4179 Temperature can switch the thermodynamic phase of colloid–polymer mixtures by tipping the balance between competing attractive interactions induced by polymer depletion or adsorption. See also: Letter by Feng et al. Icosahedral quasicrystals: Assembled with one component   pp18 - 19 Marc de Boissieu doi:10.1038/nmat4183 Computer simulations of one-component three-dimensional icosahedral quasicrystals will help to understand the mechanisms that may stabilize them in experiments. See also: Article by Engel et al. Colloidal self-assembly: Reversible actuation   pp19 - 20 Eric M. Furst doi:10.1038/nmat4180 Janus ellipsoids self-assemble into self-limiting fibres that can be reversibly actuated by applying an electric field. See also: Article by Shah et al. Nanoparticle self-assembly: Enantioselective photoactivation   pp21 - 22 Bart Kahr and Alexander G. Shtukenberg doi:10.1038/nmat4174 Circularly polarized light actualizes the formation of chiral twisted ribbons from achiral semiconductor nanoparticles. See also: Letter by Yeom et al. Nature Materials JOBS of the week Faculty Positions: Materials Science and Engineering King Abdullah University of Science and Technology (KAUST) Research Scientist / Post-doc in Biological and Bioinspired Materials Nanyang Technological University (NTU) Two Post-doctoral Researchers Ohio State University Chairs in Compound Semiconductor Technology Cardiff University PhD fellowship in surface studies of reducible metal-oxides Interdisciplinary Nanosience Center (iNANO) More Science jobs from Nature Materials EVENT Materials, Methods & Technologies 2015, 17th International Conference 07.06.15 Burgas, Bulgaria More science events from Review Top Bioinspired structural materials   pp23 - 36 Ulrike G. K. Wegst, Hao Bai, Eduardo Saiz, Antoni P. Tomsia and Robert O. Ritchie doi:10.1038/nmat4089 This Review discusses the common structural motifs of a range of natural materials and the difficulties associated with mimicking these designs in the fabrication of synthetic structures with enhanced mechanical properties. Letters Top Direct spectroscopic evidence for phase competition between the pseudogap and superconductivity in Bi2Sr2CaCu2O8+d   pp37 - 42 Makoto Hashimoto, Elizabeth A. Nowadnick, Rui-Hua He, Inna M. Vishik, Brian Moritz, Yu He, Kiyohisa Tanaka, Robert G. Moore, Donghui Lu, Yoshiyuki Yoshida, Motoyuki Ishikado, Takao Sasagawa, Kazuhiro Fujita, Shigeyuki Ishida, Shinichi Uchida, Hiroshi Eisaki, Zahid Hussain, Thomas P. Devereaux and Zhi-Xun Shen doi:10.1038/nmat4116 Photoelectron spectroscopy measurements uncover a singularity over a wide doping range in the cuprate superconductor Bi2Sr2CaCu2O8+d, suggesting a competition between the charge-ordering and the superconducting phases. Benzene-derived carbon nanothreads   pp43 - 47 Thomas C. Fitzgibbons, Malcolm Guthrie, En-shi Xu, Vincent H. Crespi, Stephen K. Davidowski, George D. Cody, Nasim Alem and John V. Badding doi:10.1038/nmat4088 A high-pressure reaction is used to convert benzene molecules to one-dimensional crystalline carbon nanostructures that show diamond-like sp3 bonding. These nanothreads are expected to have strength and stiffness greater than carbon nanotubes. Metal–organic framework nanosheets in polymer composite materials for gas separation   pp48 - 55 Tania Rodenas, Ignacio Luz, Gonzalo Prieto, Beatriz Seoane, Hozanna Miro, Avelino Corma, Freek Kapteijn, Francesc X. Llabrés i Xamena and Jorge Gascon doi:10.1038/nmat4113 A bottom-up approach for producing metal–organic framework lamellae of micrometre lateral dimensions and nanometre thickness that can be incorporated into polymer matrices is now presented. These composite materials exhibit outstanding CO2 separation performances on exposure to CO2/CH4 gas mixtures. Entropy-driven formation of large icosahedral colloidal clusters by spherical confinement   pp56 - 60 Bart de Nijs, Simone Dussi, Frank Smallenburg, Johannes D. Meeldijk, Dirk J. Groenendijk, Laura Filion, Arnout Imhof, Alfons van Blaaderen and Marjolein Dijkstra doi:10.1038/nmat4072 Experiments with colloidal nano- and microparticles and computer simulations show that, unexpectedly, confinement and entropy are sufficient for the formation of icosahedral crystalline clusters of up to about 100,000 particles. Re-entrant solidification in polymer–colloid mixtures as a consequence of competing entropic and enthalpic attractions   pp61 - 65 Lang Feng, Bezia Laderman, Stefano Sacanna and Paul Chaikin doi:10.1038/nmat4109 The competition between colloidal interactions resulting from polymer bridging and polymer exclusion in polymer–colloid dispersions leads to their solidification both on heating and on cooling. See also: News and Views by Jee et al. Chiral templating of self-assembling nanostructures by circularly polarized light   pp66 - 72 Jihyeon Yeom, Bongjun Yeom, Henry Chan, Kyle W. Smith, Sergio Dominguez-Medina, Joong Hwan Bahng, Gongpu Zhao, Wei-Shun Chang, Sung-Jin Chang, Andrey Chuvilin, Dzmitry Melnikau, Andrey L. Rogach, Peijun Zhang, Stephan Link, Petr Král and Nicholas A. Kotov doi:10.1038/nmat4125 It is shown that circularly polarized light produces enantiomeric excesses, above 30%, of twisted nanoribbons self-assembled from racemic dispersions of CdTe nanoparticles. See also: News and Views by Kahr & Shtukenberg Articles Top Giant barocaloric effect enhanced by the frustration of the antiferromagnetic phase in Mn3GaN   pp73 - 78 Daichi Matsunami, Asaya Fujita, Koshi Takenaka and Mika Kano doi:10.1038/nmat4117 Caloric effects in magnetic materials are promising for many applications. A significant barocaloric effect is observed in Mn3GaN and shown to be promoted by frustration arising from its antiferromagnetism. Ferroelectric polarization reversal via successive ferroelastic transitions   pp79 - 86 Ruijuan Xu, Shi Liu, Ilya Grinberg, J. Karthik, Anoop R. Damodaran, Andrew M. Rappe andLane W. Martin doi:10.1038/nmat4119 Ferroelectric switching is studied in PbZr0.2Ti0.8O3 thin films. Nanotwinned ferroelectric domains with broadened switching characteristics are observed and control over ferroelectric switching is demonstrated. Multimodal plasmonics in fused colloidal networks   pp87 - 94 Alexandre Teulle, Michel Bosman, Christian Girard, Kargal L. Gurunatha, Mei Li, Stephen Mann and Erik Dujardin doi:10.1038/nmat4114 Harnessing the optical properties of noble metals down to the nanoscale is crucial for fast information processing. Lateral confinement and delocalization of surface plasmons is now observed in self-assembled network chains of fused gold nanoparticles. High H− ionic conductivity in barium hydride   pp95 - 100 Maarten C. Verbraeken, Chaksum Cheung, Emmanuelle Suard and John T. S. Irvine doi:10.1038/nmat4136 Heavy alkaline-earth hydrides could be of interest as ionically conducting electrolytes for electrochemical applications. Barium hydride is now shown to exhibit fast ionic transport of hydride ions in a high-temperature and high-symmetry phase. Two-step nucleation mechanism in solid–solid phase transitions   pp101 - 108 Yi Peng, Feng Wang, Ziren Wang, Ahmed M. Alsayed, Zexin Zhang, Arjun G. Yodh and Yilong Han doi:10.1038/nmat4083 Single-particle-resolution video microscopy of films of colloidal particles shows that solid–solid transitions between square and triangular lattices occur through a two-step nucleation mechanism that involves liquid nuclei. See also: News and Views by Sanz & Valeriani Computational self-assembly of a one-component icosahedral quasicrystal   pp109 - 116 Michael Engel, Pablo F. Damasceno, Carolyn L. Phillips and Sharon C. Glotzer doi:10.1038/nmat4152 A body-centred icosahedral quasicrystal has been assembled, by using molecular dynamics simulations, from a one-component fluid of particles interacting via a tunable, isotropic pair potential. See also: News and Views by de Boissieu Actuation of shape-memory colloidal fibres of Janus ellipsoids   pp117 - 124 Aayush A. Shah, Benjamin Schultz, Wenjia Zhang, Sharon C. Glotzer and Michael J. Solomon doi:10.1038/nmat4111 Experiments and computer simulations show that Janus ellipsoids can self-assemble into self-limiting fibres that have shape-memory properties and can be actuated by applying an external electric field. See also: News and Views by Furst Designer amphiphilic proteins as building blocks for the intracellular formation of organelle-like compartments   pp125 - 132 Matthias C. Huber, Andreas Schreiber, Philipp von Olshausen, Balázs R. Varga, Oliver Kretz, Barbara Joch, Sabine Barnert, Rolf Schubert, Stefan Eimer, Péter Kele and Stefan M. Schiller doi:10.1038/nmat4118 Amphiphilic proteins act as building blocks for the de novo formation of membrane-based organelles within Escherichia coli. 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