Nature Nanotechnology Contents December 2015 Volume 10 Number 12 pp993-1084

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Advertisement Advanced Nanolithography and analytical SEM in a single system? Visit Raith's New Website and learn more about the perfect EBL-SEM hybrid PIONEER Two. TABLE OF CONTENTS December 2015 Volume 10, Issue 12 Editorials Commentaries Thesis Research Highlights News and Views Review Letters Articles In The Classroom Subscribe   Facebook   RSS   Recommend to library   Twitter   Focus Top Quantum dot solids Editorial Commentaries Review Colloidal quantum dots are often referred to as artificial atoms, primarily because of their atom-like electron energy spectrum. Like atoms, they can form ordered structures that are commonly referred to as quantum dot solids. In this focus we provide an overview of the electronic properties of quantum dot solids. In particular, we explore the developments that have led to the observation of high electron mobility, and the challenges and opportunities for the incorporation of quantum dot solids in optoelectronic devices. Editorials Top No more walls   p993 doi:10.1038/nnano.2015.300 Scientists can play an important role in the global society if they look beyond the walls of traditional disciplines. When the dots are joined   p993 doi:10.1038/nnano.2015.301 We consider the potential of colloidal quantum dot solids for optoelectronic applications. Commentaries Top Opportunities and challenges for quantum dot photovoltaics   pp994 - 997 Maksym V. Kovalenko doi:10.1038/nnano.2015.284 Although research into colloidal quantum dots has led to promising results for the realization of photovoltaic devices, a better understanding of the robustness and stability of these devices is necessary before commercial competiveness can be claimed. Prospects for thermoelectricity in quantum dot hybrid arrays   pp997 - 1001 Jeffrey J. Urban doi:10.1038/nnano.2015.289 The electronic, chemical and mechanical properties of quantum dot structures may lead to thermoelectric devices with a range of advantages with respect to existing ones based on bulk polycrystalline materials. What future for quantum dot-based light emitters?   pp1001 - 1004 Arto Nurmikko doi:10.1038/nnano.2015.288 Synthesis of semiconductor colloidal quantum dots by low-cost, solution-based methods has produced an abundance of basic science. Can these materials be transformed to high-performance light emitters to disrupt established photonics technologies, particularly semiconductor lasers? Thesis Top Navigating the fourth industrial revolution   pp1005 - 1006 Andrew D. Maynard doi:10.1038/nnano.2015.286 Andrew D. Maynard considers the challenges of ensuring the responsible development and use of converging technologies. Research Highlights Top Our choice from the recent literature   p1007 doi:10.1038/nnano.2015.296 News and Views Top Skyrmions: Detection with unpolarized currents   pp1008 - 1009 Theodore L. Monchesky doi:10.1038/nnano.2015.226 An electrical read-out mechanism for magnetic skyrmions that does not require spin-polarized currents could facilitate the use of these small magnetic states in memory devices. See also: Letter by Hanneken et al. Optical rectennas: Nanotubes circumvent trade-offs   pp1009 - 1010 Garret Moddel doi:10.1038/nnano.2015.232 An optical rectenna made of a forest of multiwalled carbon nanotubes shows potential for direct conversion of light into d.c. electricity. See also: Letter by Sharma et al. Computing: Naturally random   pp1011 - 1012 Jie Han doi:10.1038/nnano.2015.215 Randomly assembled nanoparticle networks can compute two-input Boolean functions by exploiting evolution-based computing algorithms. See also: Letter by Bose et al. Nature Nanotechnology JOBS of the week Postdoctoral Position in Neuroscience and Nanotechnology Northwestern University Northwestern University Managing Director- Micro and Nanotechnology Laboratory University of Illinois Postdoctoral Research Fellow The University of Queensland - Australian Institute for Bioengineering and Nanotechnology (AIBN) Postdoctoral Fellow in Bio-Inspired Catalysis Canadian Institute for Advanced Research (CIFAR) Tenure-Track Group Leaders @ ICFO ICFO - The Institute of Photonic Sciences More Science jobs from Nature Nanotechnology EVENT BioNanoMed 2016 - Nanotechnology enables Personalized Medicine 06.04.16 Krems, Austria More science events from Review Top Charge transport in strongly coupled quantum dot solids   pp1013 - 1026 Cherie R. Kagan & Christopher B. Murray doi:10.1038/nnano.2015.247 This Review discusses the advances in synthesis, assembly, ligand treatments and doping that have enabled the fabrication of high-mobility quantum dot solids. Letters Top A carbon nanotube optical rectenna   pp1027 - 1032 Asha Sharma, Virendra Singh, Thomas L. Bougher & Baratunde A. Cola doi:10.1038/nnano.2015.220 A metal–insulator–metal architecture in which one metal is replaced by vertically aligned carbon nanotube antennae is used to convert light into direct current. See also: News and Views by Moddel Infrared rectification in a nanoantenna-coupled metal-oxide-semiconductor tunnel diode   pp1033 - 1038 Paul S. Davids, Robert L. Jarecki, Andrew Starbuck, D. Bruce Burckel, Emil A. Kadlec, Troy Ribaudo, Eric A. Shaner & David W. Peters doi:10.1038/nnano.2015.216 Infrared radiation is converted into direct electric current using a nanoantenna-coupled diode architecture. Electrical detection of magnetic skyrmions by tunnelling non-collinear magnetoresistance   pp1039 - 1042 Christian Hanneken, Fabian Otte, André Kubetzka, Bertrand Dupé, Niklas Romming, Kirsten von Bergmann, Roland Wiesendanger & Stefan Heinze doi:10.1038/nnano.2015.218 Individual skyrmions in a PdFe atomic bilayer on Ir can be detected by all-electrical means using a non-spin-polarized scanning tunnelling microscope tip. See also: News and Views by Monchesky Negative electronic compressibility and tunable spin splitting in WSe2   pp1043 - 1047 J. M. Riley, W. Meevasana, L. Bawden, M. Asakawa, T. Takayama, T. Eknapakul, T. K. Kim, M. Hoesch, S.-K. Mo, H. Takagi, T. Sasagawa, M. S. Bahramy & P. D. C. King doi:10.1038/nnano.2015.217 Angle-resolved photoemission measurements of electron-doped layers of tungsten diselenide reveal signatures of negative electronic compressibility that survive to much higher carrier densities than in conventional 2D electron gases. Evolution of a designless nanoparticle network into reconfigurable Boolean logic   pp1048 - 1052 S. K. Bose, C. P. Lawrence, Z. Liu, K. S. Makarenko, R. M. J. van Damme, H. J. Broersma & W. G. van der Wiel doi:10.1038/nnano.2015.207 The artificial evolution of the electrical properties of a disordered system of nanoparticles acting as single-electron transistors allows the realization of reconfigurable logic operations. See also: News and Views by Han Heterogeneous sub-continuum ionic transport in statistically isolated graphene nanopores   pp1053 - 1057 Tarun Jain, Benjamin C. Rasera, Ricardo Jose S. Guerrero, Michael S. H. Boutilier, Sean C. O'Hern, Juan-Carlos Idrobo & Rohit Karnik doi:10.1038/nnano.2015.222 Isolated sub-2 nm nanopores in graphene exhibit diverse transport behaviours that are reminiscent of biological ion channels and arise from electrostatic and hydration interactions between ions and the pores. Articles Top Antenna-coupled photon emission from hexagonal boron nitride tunnel junctions   pp1058 - 1063 M. Parzefall, P. Bharadwaj, A. Jain, T. Taniguchi, K. Watanabe & L. Novotny doi:10.1038/nnano.2015.203 Efficient conversion of electrical current to photon emission can be acheived in a tunnelling device coupled to a nanostructured optical antenna. Surface imaging beyond the diffraction limit with optically trapped spheres   pp1064 - 1069 Lars Friedrich & Alexander Rohrbach doi:10.1038/nnano.2015.202 By combining optical trapping with three-dimensional interferometric particle tracking it is possible to achieve non-contact imaging with resolution beyond the diffraction limit. Identification of single nucleotides in MoS2 nanopores   pp1070 - 1076 Jiandong Feng, Ke Liu, Roman D. Bulushev, Sergey Khlybov, Dumitru Dumcenco, Andras Kis & Aleksandra Radenovic doi:10.1038/nnano.2015.219 Single nucleotides can be identified with atomically thin MoS2 nanopores by regulating molecular translocation speeds using a viscosity gradient system based on room-temperature ionic liquids. Hierarchically arranged helical fibre actuators driven by solvents and vapours   pp1077 - 1083 Peining Chen, Yifan Xu, Sisi He, Xuemei Sun, Shaowu Pan, Jue Deng, Daoyong Chen & Huisheng Peng doi:10.1038/nnano.2015.198 Lightweight, flexible and strong fibre actuators that respond to solvents and vapours are made by twisting together several well-aligned helical fibres of multiwalled carbon nanotubes. In The Classroom Top Graphic design for scientists   p1084 Karen Cheng & Marco Rolandi doi:10.1038/nnano.2015.290 Drawing a clear and compelling figure is vital in science communication, so Karen Cheng and Marco Rolandi set up a help desk for scientists and engineers to consult with design students. 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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