Nature Materials contents: September 2016 Volume 15 Number 9 pp 919-1046

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Advertisement Free Naturejobs Career Expo London Registration is now open for the free Naturejobs Career Expo London on September 16, 2016. Be sure to attend this special 10 year anniversary of the London science career fair for your chance to meet employers face-to-face, attend all conferences and workshops, take part in our photo booth fun, win amazing prizes and so much more!  Register Free today! TABLE OF CONTENTS September 2016 Volume 15, Issue 9 Editorial Commentary News and Views Review Letters Articles Advertisement   Sichuan University will hold a high-end Research Forum for Frontiers in Materials to celebrate its 120th anniversary. The forum will focus on strategic areas and frontiers in new materials science and engineering, inviting leading scientists in materials science from China and abroad to attend. The forum will be held on September 26th - 27th 2016, in Chengdu, China. Subscribe   Facebook   RSS   Recommend to library   Twitter   Advertisement npj 2D Materials and Applications is an online-only, open access journal that aims to become a top-tier interdisciplinary platform for scientists to share research on 2D materials and their applications. Part of the Nature Partner Journals series, npj 2D Materials and Applications is published in partnership with FCT NOVA, Lisbon, with the support of the European Materials Research Society (E-MRS). The journal is now open for submissions.  Find out more >>>   Advertisement npj Quantum Materials is a new open access journal that is now open for submissions. The journal publishes broad coverage of quantum materials, their fundamental properties, fabrication and applications.  Sign up for article e-alerts   Editorial Top Restoring touch   p919 doi:10.1038/nmat4748 Medical professionals and robotics engineers count on materials scientists for the development of electronic skins with lifelike tactile sensing capabilities. Commentary Top Robots with a sense of touch   pp921 - 925 Chiara Bartolozzi, Lorenzo Natale, Francesco Nori and Giorgio Metta doi:10.1038/nmat4731 Tactile sensors provide robots with the ability to interact with humans and the environment with great accuracy, yet technical challenges remain for electronic-skin systems to reach human-level performance. News and Views Top Topological insulators and superconductivity: The integrity of two sides   pp927 - 928 Wei-Feng Tsai and Hsin Lin doi:10.1038/nmat4700 The observations of unusual edge properties in scanning tunnelling spectroscopy and the predicted band structure in photoemission spectra of a monolayer FeSe superconductor reveal its non-trivial topological nature. See also: Article by Wang et al. Complex oxides: Creative tension in layered crystals   pp928 - 930 Venkatraman Gopalan and Roman Engel-Herbert doi:10.1038/nmat4662 New findings suggest that the mechanical stretching of layered crystals can transform them from a polar to a nonpolar state. This could spur the design of multifunctional materials controlled by an electric field. See also: Letter by Lu & Rondinelli Manganite films: Tuning phase diagrams   pp930 - 931 Dragan Mihailovic doi:10.1038/nmat4744 Strain engineering can tune a manganite film into an antiferromagnetic insulating state whose extreme photo-susceptibility allows for the ordinary ferromagnetic metal state to then be transiently realized. See also: Letter by Zhang et al. Nanoparticles: Neither solid nor liquid   pp931 - 933 Andres Aguado doi:10.1038/nmat4702 Nanoparticles of gallium deposited on a sapphire substrate, which are now shown to remain stable in a state of solid/liquid coexistence across a temperature window wider than 600 K, may prove useful for studying the properties of solid/liquid interfaces and in plasmonic or catalytic applications. See also: Article by Losurdo et al. Porous materials: Zeolites shine bright   pp933 - 934 Bert M. Weckhuysen doi:10.1038/nmat4730 Zeolite-encaged silver nanoclusters as highly photoluminescent materials. See also: Article by Fenwick et al. Material witness: Bright new start for Europe?   p935 Philip Ball doi:10.1038/nmat4745 Drug delivery: Leukocyte-like carriers   pp935 - 936 Kenneth A. Dawson and Yan Yan doi:10.1038/nmat4737 Drug-loaded liposomes functionalized with proteins from the cell membrane of leukocytes target inflamed tissues without eliciting a substantial immune response. See also: Article by Molinaro et al. Materials JOBS of the week Post-doc Research Position: Nanofabrication for Optoelectronic Applications King Abdullah University of Science and Technology (KAUST) Postdoctoral Position National University of Singapore (NUS) Research Fellow in Bioengineering The University of Manchester More Science jobs from Materials EVENT 4th World Congress and Expo on Nanotechnology and Materials Science 05.04.17 Barcelona, Spain More science events from Review Top Pursuing prosthetic electronic skin   pp937 - 950 Alex Chortos, Jia Liu and Zhenan Bao doi:10.1038/nmat4671 This Review discusses the materials and electronic requirements for flexible sensors and electronic systems to mimic the mechanical and sensing properties of natural skin, with the goal of providing artificial prostheses with sensing capabilities. Letters Top Epitaxial-strain-induced polar-to-nonpolar transitions in layered oxides   pp951 - 955 Xue-Zeng Lu and James M. Rondinelli doi:10.1038/nmat4664 Epitaxial strain is known to induce and enhance ferroelectricity in thin films of complex oxides. It is now shown that a polar-to-nonpolar transition might also occur. See also: News and Views by Gopalan & Engel-Herbert Cooperative photoinduced metastable phase control in strained manganite films   pp956 - 960 Jingdi Zhang, Xuelian Tan, Mengkun Liu, S. W. Teitelbaum, K. W. Post, Feng Jin, K. A. Nelson, D. N. Basov, Wenbin Wu and R. D. Averitt doi:10.1038/nmat4695 Strain engineering can 'hide' the ordinal ferrometallic state in manganite films, pushing the system to a metastable state, which can then be controlled through photoexcitation. See also: News and Views by Mihailovic Mechanosensitive subcellular rheostasis drives emergent single-cell mechanical homeostasis   pp961 - 967 Shinuo Weng, Yue Shao, Weiqiang Chen and Jianping Fu doi:10.1038/nmat4654 Single-cell mechanical homeostasis is found to be driven by the mechanosensitive, collective subcellular dynamics of cytoskeletal tension and focal adhesions. Advertisement Ready to see a glimpse of tomorrow? Visit KAUST Discovery today  KAUST Discovery highlights the cutting-edge research, technologies and innovations emerging from the King Abdullah University of Science and Technology. From biotechnology, to solar, to materials and marine science: KAUST is working on it.   Articles Top Topological edge states in a high-temperature superconductor FeSe/SrTiO3(001) film   pp968 - 973 Z. F. Wang, Huimin Zhang, Defa Liu, Chong Liu, Chenjia Tang, Canli Song, Yong Zhong, Junping Peng, Fangsen Li, Caina Nie, Lili Wang, X. J. Zhou, Xucun Ma, Q. K. Xue and Feng Liu doi:10.1038/nmat4686 The coexistence of topological and superconducting states in a single layer of FeSe on a SrTiO3 substrate is reported. See also: News and Views by Tsai & Lin Elastic and thermal expansion asymmetry in dense molecular materials   pp974 - 980 Joseph A. Burg and Reinhold H. Dauskardt doi:10.1038/nmat4674 Molecular materials are shown to have asymmetry in their elastic modulus and coefficient of thermal expansion in tension and compression, associated with terminal chemical groups that alter network connectivity. Decoupling a hole spin qubit from the nuclear spins   pp981 - 986 Jonathan H. Prechtel, Andreas V. Kuhlmann, Julien Houel, Arne Ludwig, Sascha R. Valentin, Andreas D. Wieck and Richard J. Warburton doi:10.1038/nmat4704 Coherent population-trapping studies of a single hole spin in quantum dot field-effect devices with low charge-noise performance provide insight into the anisotropy of the hole hyperfine interaction between hole and nuclear spins. Crystal symmetry breaking and vacancies in colloidal lead chalcogenide quantum dots   pp987 - 994 Federica Bertolotti, Dmitry N. Dirin, Maria Ibáñez, Frank Krumeich, Antonio Cervellino, Ruggero Frison, Oleksandr Voznyy, Edward H. Sargent, Maksym V. Kovalenko, Antonietta Guagliardi and Norberto Masciocchi doi:10.1038/nmat4661 X-ray scattering and density functional theory calculations reveal that ligand-induced tensile stress can distort the rock-salt structure of small PbS and PbSe colloidal quantum dots, creating a Pb-deficient core surrounded by a Pb-enriched shell. Thermally stable coexistence of liquid and solid phases in gallium nanoparticles   pp995 - 1002 Maria Losurdo, Alexandra Suvorova, Sergey Rubanov, Kurt Hingerl and April S. Brown doi:10.1038/nmat4705 A real-time investigation shows that Ga nanoparticles in the solid γ-phase coexist with liquid Ga at a broad range of temperatures, as a result of nanoscale confinement, Laplace pressure and epitaxial matching with the substrate. See also: News and Views by Aguado The role of electronic coupling between substrate and 2D MoS2 nanosheets in electrocatalytic production of hydrogen   pp1003 - 1009 Damien Voiry, Raymond Fullon, Jieun Yang, Cecilia de Carvalho Castro e Silva, Rajesh Kappera, Ibrahim Bozkurt, Daniel Kaplan, Maureen J. Lagos, Philip E. Batson, Gautam Gupta, Aditya D. Mohite, Liang Dong, Dequan Er, Vivek B. Shenoy, Tewodros Asefa and Manish Chhowalla doi:10.1038/nmat4660 Increasing the edge concentration of metallic MoS2 nanosheets will improve their electrocatalytic performance for hydrogen evolution. The activity of MoS2 can now be enhanced by facilitating electron injection from the electrode to the catalyst. Improved chemical and electrochemical stability of perovskite oxides with less reducible cations at the surface   pp1010 - 1016 Nikolai Tsvetkov, Qiyang Lu, Lixin Sun, Ethan J. Crumlin and Bilge Yildiz doi:10.1038/nmat4659 The chemical instability of perovskite oxide surfaces limits their energy conversion performance. Significantly enhanced electrochemical stability in a model perovskite electrocatalyst has now been achieved using less reducible cations. Tuning the energetics and tailoring the optical properties of silver clusters confined in zeolites   pp1017 - 1022 Oliver Fenwick, Eduardo Coutiño-Gonzalez, Didier Grandjean, Wouter Baekelant, Fanny Richard, Sara Bonacchi, Dirk De Vos, Peter Lievens, Maarten Roeffaers, Johan Hofkens and Paolo Samorì doi:10.1038/nmat4652 Zeolites encapsulating clusters of silver offer interesting optical properties. Here it is shown how the interactions between these clusters and the framework can be tuned to achieve photoluminescence quantum yields approaching unity. See also: News and Views by Weckhuysen Heterogeneous silicon mesostructures for lipid-supported bioelectric interfaces   pp1023 - 1030 Yuanwen Jiang, João L. Carvalho-de-Souza, Raymond C. S. Wong, Zhiqiang Luo, Dieter Isheim, Xiaobing Zuo, Alan W. Nicholls, Il Woong Jung, Jiping Yue, Di-Jia Liu, Yucai Wang, Vincent De Andrade, Xianghui Xiao, Luizetta Navrazhnykh, Dara E. Weiss, Xiaoyang Wu, David N. Seidman, Francisco Bezanilla and Bozhi Tian doi:10.1038/nmat4673 A biocompatible and biodegradable mesostructured form of silicon is used to make lipid-bilayer-supported bioelectric interfaces that can optically modulate the electrophysiology of single dorsal root ganglia neurons. Understanding soft glassy materials using an energy landscape approach   pp1031 - 1036 Hyun Joo Hwang, Robert A. Riggleman and John C. Crocker doi:10.1038/nmat4663 Results from a model soap foam consisting of compressible spherical bubbles suggest that soft glassy rheology results from emergent fractal geometry in the foam's energy landscape. Biomimetic proteolipid vesicles for targeting inflamed tissues   pp1037 - 1046 R. Molinaro, C. Corbo, J. O. Martinez, F. Taraballi, M. Evangelopoulos, S. Minardi, I. K. Yazdi, P. Zhao, E. De Rosa, M. B. Sherman, A. De Vita, N. E. Toledano Furman, X. Wang, A. Parodi and E. Tasciotti doi:10.1038/nmat4644 Lipid nanoparticles incorporating proteins from the leukocyte plasma membrane retain the properties of liposomal formulations and enable delivery of drugs to inflamed tissues. See also: News and Views by Dawson & Yan Advertisement   Nature Outlook: Research commercialization Universities need to deliver more value for research outlay. Companies are facing competition in the search for the next business-sustaining product. These sectors have their own objectives, but are locked in a synergistic embrace that is fuelling a push to extract commercial value from academic research. Available free online     Top Advertisement npj Flexible Electronics is a new open access journal that is now open for submissions. 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