Nature Materials contents: January 2016 Volume 15 Number 1 pp 1-112

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TABLE OF CONTENTS January 2016 Volume 15, Issue 1 Editorial Research Highlights News and Views Correction Review Letters Articles Subscribe   Facebook   RSS   Recommend to library   Twitter   Editorial Top Extreme light   p1 doi:10.1038/nmat4533 The Extreme Light Infrastructure (ELI) project is dedicated to the investigation of light-matter interactions at high laser intensities and on short timescales. Research Highlights Top Frustrated antiferromagnets: Spin-liquid ground state | Nanoporous gold: Single crystals | van der Waals complexes: Tunable charge transfer | Silicon qubits: High fidelity | Tissue engineering: Paper scaffolds News and Views Top Weyl semimetals: A group family picture   pp5 - 6 Xi Dai doi:10.1038/nmat4516 Studying three Weyl semimetals of the same family — TaAs, TaP and NbP — reveals how the properties of Weyl points and Fermi arcs depend on the spin-orbit coupling and on surface conditions. See also: Letter by Liu et al. Zeolites: A synthetic solution   p6 James Hennessy doi:10.1038/nmat4524 Material Witness: Spinning top-ology   p7 Philip Ball doi:10.1038/nmat4522 Architectured materials: Straining to expand entanglements   pp7 - 8 Ray H. Baughman and Alexandre F. Fonseca doi:10.1038/nmat4436 Porous solids comprising a self-entangled coiled polymer fibre or metal wire reversibly increase their volume when either stretched or compressed in an axial direction, possibly providing a new type of mechanical behaviour for tuning functional properties. See also: Article by Rodney et al. Graphene synthesis: On-the-spot growth   pp9 - 10 Li Lin and Zhongfan Liu doi:10.1038/nmat4498 Large single-crystalline graphene monolayers have been synthesized on a Cu-Ni alloy using a local precursor feeding method with an enhanced growth rate. The fast production of wafer-scale single crystals brings graphene closer to real applications. See also: Letter by Wu et al. Liquid crystals: Material defect lines   pp10 - 11 Francesca Serra and Shu Yang doi:10.1038/nmat4517 Topological defects in liquid crystals guide the self-assembly of molecular amphiphiles. See also: Article by Wang et al. Correction Top Correction   p11 doi:10.1038/nmat4514 See also: Commentary by Beekman et al. Review Top Supramolecular biomaterials   pp13 - 26 Matthew J. Webber, Eric A. Appel, E. W. Meijer and Robert Langer doi:10.1038/nmat4474 This Review discusses the properties and applications of supramolecular biomaterials for drug delivery, tissue engineering, regenerative medicine and immunology. Letters Top Evolution of the Fermi surface of Weyl semimetals in the transition metal pnictide family   pp27 - 31 Z. K. Liu, L. X. Yang, Y. Sun, T. Zhang, H. Peng, H. F. Yang, C. Chen, Y. Zhang, Y. F. Guo, D. Prabhakaran, M. Schmidt, Z. Hussain, S.-K. Mo, C. Felser, B. Yan and Y. L. Chen doi:10.1038/nmat4457 Band structures with Fermi arcs characteristic of Weyl semimetals are observed on NbP and TaP. By studying NbP, TaP and TaAs, the evolution of the Fermi surface with the spin-orbit coupling is reported. See also: News and Views by Dai Unconventional superconductivity at mesoscopic point contacts on the 3D Dirac semimetal Cd3As2   pp32 - 37 Leena Aggarwal, Abhishek Gaurav, Gohil S. Thakur, Zeba Haque, Ashok K. Ganguli and Goutam Sheet doi:10.1038/nmat4455 A superconducting phase at nanometre-scale interfaces between a pure silver mesoscopic point contact and the 3D Dirac semimetal Cd3As2 is observed. Observation of superconductivity induced by a point contact on 3D Dirac semimetal Cd3As2 crystals   pp38 - 42 He Wang, Huichao Wang, Haiwen Liu, Hong Lu, Wuhao Yang, Shuang Jia, Xiong-Jun Liu, X. C. Xie, Jian Wei and Jian Wang doi:10.1038/nmat4456 Point contact spectroscopy measurements show a superconducting phase around the point contact region on the surface of the 3D Dirac semimetal Cd3As2. Fast growth of inch-sized single-crystalline graphene from a controlled single nucleus on Cu-Ni alloys   pp43 - 47 Tianru Wu, Xuefu Zhang, Qinghong Yuan, Jiachen Xue, Guangyuan Lu, Zhihong Liu, Huishan Wang, Haomin Wang, Feng Ding, Qingkai Yu, Xiaoming Xie and Mianheng Jiang doi:10.1038/nmat4477 A modified chemical vapour deposition set-up allowing extremely localized injection of carbon precursors on a Cu-Ni substrate is used for the fast growth of large-area single-crystalline monolayers of graphene. See also: News and Views by Lin & Liu Activating and optimizing MoS2 basal planes for hydrogen evolution through the formation of strained sulphur vacancies   pp48 - 53 Hong Li, Charlie Tsai, Ai Leen Koh, Lili Cai, Alex W. Contryman, Alex H. Fragapane, Jiheng Zhao, Hyun Soon Han, Hari C. Manoharan, Frank Abild-Pedersen, Jens K. Nørskov and Xiaolin Zheng doi:10.1038/nmat4465 Molybdenum disulphide is a promising non-precious catalyst for hydrogen evolution because it contains active edge sites and an inert basal plane. Introducing sulphur vacancies and strain now leads to activation and optimization of the basal plane. Mechanics of fire ant aggregations   pp54 - 59 Michael Tennenbaum, Zhongyang Liu, David Hu and Alberto Fernandez-Nieves doi:10.1038/nmat4450 Aggregations of fire ants are viscoelastic with identical elastic and viscous moduli, and exhibit shear-thinning behaviour when deformed beyond the linear regime. Advertisement NATURE CONFERENCE ON TISSUE ENGINEERING AND REGENERATIVE MEDICINE Presented by: State Key Laboratory of Ophthalmology | Zhongshan Ophthalmic Center | Sun Yat-sen University Nature Materials | Nature Reviews Materials April 7-9, 2016 | Ocean Hotel, Guangzhou, China  REGISTER NOW   Articles Top Nanosecond homogeneous nucleation and crystal growth in shock-compressed SiO2   pp60 - 65 Yuan Shen, Shai B. Jester, Tingting Qi and Evan J. Reed doi:10.1038/nmat4447 Multiscale molecular dynamics indicate that the crystallization of shock-compressed fused silica and quartz occurs within a few nanoseconds and is mediated by diffusion. Fast diffusion of water nanodroplets on graphene   pp66 - 71 Ming Ma, Gabriele Tocci, Angelos Michaelides and Gabriel Aeppli doi:10.1038/nmat4449 Molecular simulations suggest that nanodroplets of water and other liquids can be carried by thermally activated propagating ripples in graphene. Reversible dilatancy in entangled single-wire materials   pp72 - 77 David Rodney, Benjamin Gadot, Oriol Riu Martinez, Sabine Rolland du Roscoat and Laurent Orgéas doi:10.1038/nmat4429 A single, self-coiled wire is shown to exhibit a Poisson function ranging from above 1 in compression to below 0 in tension. Such material architectures may offer new functionalities in mechanical devices. See also: News and Views by Baughman & Fonseca The negative piezoelectric effect of the ferroelectric polymer poly(vinylidene fluoride)   pp78 - 84 Ilias Katsouras, Kamal Asadi, Mengyuan Li, Tim B. van Driel, Kasper S. Kjær, Dong Zhao, Thomas Lenz, Yun Gu, Paul W. M. Blom, Dragan Damjanovic, Martin M. Nielsen and Dago M. de Leeuw doi:10.1038/nmat4423 Poly(vinylidene fluoride) exhibits a negative longitudinal piezoelectric coefficient. In situ X-ray diffraction measurements suggest that this effect is dependent on electromechanical coupling between the intermixed crystalline lamellae and amorphous regions. Understanding and predicting the orientation of heteroleptic phosphors in organic light-emitting materials   pp85 - 91 Matthew J. Jurow, Christian Mayr, Tobias D. Schmidt, Thomas Lampe, Peter I. Djurovich, Wolfgang Brütting and Mark E. Thompson doi:10.1038/nmat4428 The asymmetric organic/vacuum interface created during the vacuum deposition of an amorphous organic layer doped with heteroleptic phosphors controls the orientation of the dopant molecules, which improves the outcoupling efficiency of organic LEDs. Deep blue phosphorescent organic light-emitting diodes with very high brightness and efficiency   pp92 - 98 Jaesang Lee, Hsiao-Fan Chen, Thilini Batagoda, Caleb Coburn, Peter I. Djurovich, Mark E. Thompson and Stephen R. Forrest doi:10.1038/nmat4446 N-Heterocyclic carbene Ir(III) complexes, used as deep blue phosphorescent emitters and as electron-blocking dopants in organic LEDs, allow the realization of devices with very high brightness and reduced efficiency roll-off. Design principles for maximizing photovoltage in metal-oxide-protected water-splitting photoanodes   pp99 - 105 Andrew G. Scheuermann, John P. Lawrence, Kyle W. Kemp, T. Ito, Adrian Walsh, Christopher E. D. Chidsey, Paul K. Hurley and Paul C. McIntyre doi:10.1038/nmat4451 Although protecting photoanodes using metal oxides is attractive for solar fuel applications, the photoanodes typically suffer from poor photovoltage. Now, insulating oxide layers are shown to promote enhanced photovoltages and general design principles are suggested. Topological defects in liquid crystals as templates for molecular self-assembly   pp106 - 112 Xiaoguang Wang, Daniel S. Miller, Emre Bukusoglu, Juan J. de Pablo and Nicholas L. Abbott doi:10.1038/nmat4421 Nanoscale environments created by topological defects in liquid crystals can template the self-assembly of molecular amphiphiles within the defects. See also: News and Views by Serra & Yang Top Natureevents is a fully searchable, multi-disciplinary database designed to maximise exposure for events organisers. The contents of the Natureevents Directory are now live. The digital version is available here. Find the latest scientific conferences, courses, meetings and symposia on natureevents.com. For event advertising opportunities across the Nature Publishing Group portfolio please contact natureevents@nature.com More Nature Events

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