Nature Nanotechnology Contents May 2016 Volume 11 Number 5 pp397-488

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Wednesday May 25th, 2016 at 8AM PST, 11AM EST, 4PM BST & 5PM CEST Register for the webcast and the live Q&A session Produced with support from: Novo Nordisk   TABLE OF CONTENTS May 2016 Volume 11, Issue 5 Editorial Commentary Q&A Research Highlights News and Views Review Letters Articles In The Classroom Subscribe   Facebook   RSS   Recommend to library   Twitter   Advertisement npj Clean Water: open for submissions  An open access, online-only journal, dedicated to publishing high-quality papers that describe the significant and cutting-edge research that continues to ensure the supply of clean water to populations.  Explore the benefits of submitting your next manuscript.   Advertisement Celebrating 10,000 articles published On the 20th April 2016, Nature Communications celebrated publishing its 10,000 article. To celebrate this milestone our editors have selected a sample of articles from each subject area published in the last five areas. Access the highlights here and sign up for free article e-alerts to stay up-to-date on all the latest content as it is published.    Editorial Top Challenging times   p397 doi:10.1038/nnano.2016.81 The National Nanotechnology Initiative and the challenges of modern society. Commentary Top Broadening nanotechnology's impact on development   pp398 - 400 Koen Beumer doi:10.1038/nnano.2016.71 Discussions about nanotechnology and development focus on applications that directly address the needs of the world's poor. Nanotechnology can certainly make an impact in the fight against global poverty, but we need to broaden our imagination. Q&A Top Challenge driven   pp401 - 402 doi:10.1038/nnano.2016.73 Nature Nanotechnology talked to Michael A. Meador, director of the National Nanotechnology Coordination Office in the US, about the way in which the US National Nanotechnology Initiative operates and how this has changed since its launch in 2001. Research Highlights Top Our choice from the recent literature   p403 doi:10.1038/nnano.2016.80 News and Views Top Imaging: Nano meets femto   pp404 - 405 Hrvoje Petek doi:10.1038/nnano.2015.335 Scanning near-field optical microscopy combined with pump–probe spectroscopy can resolve ultrafast dynamics at the nanoscale. See also: Article by Kravtsov et al. Nanotoxicology: Seeing the trees for the forest   pp405 - 407 Elizabeth A. Casman and Jeremy M. Gernand doi:10.1038/nnano.2016.5 Meta-analysis of the literature on quantum dot toxicity using a machine-learning tool helps reveal hidden relationships between material properties and toxicity. See also: Article by Oh et al. Spintronics: Nanomagnonics around the corner   pp407 - 408 Dirk Grundler doi:10.1038/nnano.2016.16 Two complementary strategies show how to control the spatial propagation of spin waves, thus promising complex and reconfigurable wiring in spin-wave-based circuits. See also: Letter by Wagner et al. | Article by Haldar et al. Nanotechnology JOBS of the week PhD and postdoc positions in single molecule measurement University of Zurich Faculty Positions Cleveland Clinic Faculty, Scientist, Department of Nanomedicine Houston Methodist Research Institute CIHR Tier 1 CRC in Medical / Bio Physics or Biomedical Sciences Ryerson University More Science jobs from Nanotechnology EVENT Applied Nanotechnology and Nanoscience International Conference 2016 09.11.16 Barcelona, Spain More science events from Review Top Enzymatic reactions in confined environments   pp409 - 420 Andreas Küchler, Makoto Yoshimoto, Sandra Luginbühl, Fabio Mavelli and Peter Walde doi:10.1038/nnano.2016.54 This Review discusses the fundamental challenges for making enzymatic reactions occur in surface- or volume-confined environments that may be suitable for technological applications in vitro and in vivo. Letters Top Electrical control of the valley Hall effect in bilayer MoS2 transistors   pp421 - 425 Jieun Lee, Kin Fai Mak and Jie Shan doi:10.1038/nnano.2015.337 The valley Hall effect in bilayer MoS2 transistors can be controlled using a gate voltage and the induced valley polarization imaged with Kerr microscopy. Oxygen-activated growth and bandgap tunability of large single-crystal bilayer graphene   pp426 - 431 Yufeng Hao, Lei Wang, Yuanyue Liu, Hua Chen, Xiaohan Wang, Cheng Tan, Shu Nie, Ji Won Suk, Tengfei Jiang, Tengfei Liang, Junfeng Xiao, Wenjing Ye, Cory R. Dean, Boris I. Yakobson, Kevin F. McCarty, Philip Kim, James Hone, Luigi Colombo and Rodney S. Ruoff doi:10.1038/nnano.2015.322 Large, bilayer graphene single crystals can be grown by oxygen-activated chemical vapour deposition. Magnetic domain walls as reconfigurable spin-wave nanochannels   pp432 - 436 K. Wagner, A. Kákay, K. Schultheiss, A. Henschke, T. Sebastian and H. Schultheiss doi:10.1038/nnano.2015.339 Magnetic domain walls in a permalloy sample can be arranged to define waveguides for the transmission of information via magnons. See also: News and Views by Grundler Articles Top A reconfigurable waveguide for energy-efficient transmission and local manipulation of information in a nanomagnetic device   pp437 - 443 Arabinda Haldar, Dheeraj Kumar and Adekunle Olusola Adeyeye doi:10.1038/nnano.2015.332 Nanomagnets can be used to realize waveguides for the transmission of spin waves in a straight line and along a curve. See also: News and Views by Grundler Additive interfacial chiral interaction in multilayers for stabilization of small individual skyrmions at room temperature   pp444 - 448 C. Moreau-Luchaire, C. Moutafis, N. Reyren, J. Sampaio, C. A. F. Vaz, N. Van Horne, K. Bouzehouane, K. Garcia, C. Deranlot, P. Warnicke, P. Wohlhüter, J.-M. George, M. Weigand, J. Raabe, V. Cros and A. Fert doi:10.1038/nnano.2015.313 Magnetic skyrmions can be stabilized at room temperature in cobalt layers sandwiched between heavy metal layers due to engineering of the interfacial Dzyaloshinskii–Moriya interaction. Room-temperature chiral magnetic skyrmions in ultrathin magnetic nanostructures   pp449 - 454 Olivier Boulle, Jan Vogel, Hongxin Yang, Stefania Pizzini, Dayane de Souza Chaves, Andrea Locatelli, Tevfik Onur Menteş, Alessandro Sala, Liliana D. Buda-Prejbeanu, Olivier Klein, Mohamed Belmeguenai, Yves Roussigné, Andrey Stashkevich, Salim Mourad Chérif, Lucia Aballe, Michael Foerster, Mairbek Chshiev, Stéphane Auffret, Ioan Mihai Miron and Gilles Gaudin doi:10.1038/nnano.2015.315 Stable, single magnetic skyrmions are demonstrated at room temperature in ultrathin cobalt nanostructures. Femtosecond control of electric currents in metallic ferromagnetic heterostructures   pp455 - 458 T. J. Huisman, R. V. Mikhaylovskiy, J. D. Costa, F. Freimuth, E. Paz, J. Ventura, P. P. Freitas, S. Blügel, Y. Mokrousov, Th. Rasing and A. V. Kimel doi:10.1038/nnano.2015.331 The spin–orbit interaction can be used to optically generate and control terahertz electric photocurrents in metallic ferromagnetic heterostructures. Plasmonic nanofocused four-wave mixing for femtosecond near-field imaging   pp459 - 464 Vasily Kravtsov, Ronald Ulbricht, Joanna M. Atkin and Markus B. Raschke doi:10.1038/nnano.2015.336 Focusing plasmon polaritons at the apex of a nanometre tip leads to the generation of an intense third-order nonlinear response used as a local probe for ultrafast nanoimaging. See also: News and Views by Petek Surface functionalization of two-dimensional metal chalcogenides by Lewis acid–base chemistry   pp465 - 471 Sidong Lei, Xifan Wang, Bo Li, Jiahao Kang, Yongmin He, Antony George, Liehui Ge, Yongji Gong, Pei Dong, Zehua Jin, Gustavo Brunetto, Weibing Chen, Zuan-Tao Lin, Robert Baines, Douglas S. Galvão, Jun Lou, Enrique Barrera, Kaustav Banerjee, Robert Vajtai and Pulickel Ajayan doi:10.1038/nnano.2015.323 Metal cations can form coordination complexes with the lone pair electrons of 2D metal chalcogenides, offering a potentially general strategy to surface functionalization. A transparent bending-insensitive pressure sensor   pp472 - 478 Sungwon Lee, Amir Reuveny, Jonathan Reeder, Sunghoon Lee, Hanbit Jin, Qihan Liu, Tomoyuki Yokota, Tsuyoshi Sekitani, Takashi Isoyama, Yusuke Abe, Zhigang Suo and Takao Someya doi:10.1038/nnano.2015.324 A composite fibrous material made of carbon nanotubes and graphene responds to small pressure but not to bending deformation. Meta-analysis of cellular toxicity for cadmium-containing quantum dots   pp479 - 486 Eunkeu Oh, Rong Liu, Andre Nel, Kelly Boeneman Gemill, Muhammad Bilal, Yoram Cohen and Igor L. Medintz doi:10.1038/nnano.2015.338 Literature data mining and knowledge extraction (known as meta-analysis) can be used to derive the relationships between toxicological outcome and the physicochemical properties of cadmium-containing quantum dots. See also: News and Views by Casman & Gernand In The Classroom Top Nanoheroes assemble   p488 Lisa E. Friedersdorf and Quinn A. Spadola doi:10.1038/nnano.2016.75 Nanotechnology and superheroes can inspire high school students to explore science, as Lisa E. Friedersdorf and Quinn A. Spadola explain. Top Advertisement Microsystems & Nanoengineering is a fully open access, peer-reviewed journal publishing original articles and reviews on cutting-edge and emerging topics related to MEMS/ NEMS and nanotechnology.  Submit your manuscript   Natureevents is a fully searchable, multi-disciplinary database designed to maximise exposure for events organisers. The contents of the Natureevents Directory are now live. 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