Nature Nanotechnology Contents February 2012 Volume 7 Number 2 pp 77-139

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Subscribe   Facebook   RSS   Recommend to library   Twitter   Advertisement Miami 2012 Winter Symposium: Nanotechnology in Biomedicine February 26-29, 2012 • Miami, FL, USA The 45th Miami Winter Symposium will bring together leaders in the field to discuss breakthroughs in new nanomaterials and the challenges in translating these materials into products for the clinic and laboratory. For more information and to register, visit: www.nature.com/natureconferences/miami/mws2012   Correspondence Top The complexity of public engagement pp77 - 78 Craig Cormick doi:10.1038/nnano.2012.5 Full Text | PDF Research Highlights Top Our choice from the recent literature p79 doi:10.1038/nnano.2012.13 Full Text | PDF News and Views Top Nanopores: Tiny holes with great promise pp81 - 82 Dario Anselmetti doi:10.1038/nnano.2012.11 Sensors that combine solid-state nanopores and nanowire field-effect transistors can be used to detect single DNA molecules quickly and with high sensitivity. Full Text | PDF See also: Letter by Xie et al. Thermal materials: Pulling together to control heat flow pp82 - 83 Chris Dames doi:10.1038/nnano.2012.4 The thermal conductivity of pairs of boron nanoribbons can be switched between high and low values by wetting the interface between the nanoribbons with various solutions. Full Text | PDF See also: Letter by Yang et al. Nanoelectronics: Ferroelectric devices show potential pp83 - 85 Adrian M. Ionescu doi:10.1038/nnano.2012.10 Ferroelectric tunnel junctions can be operated as non-volatile memories with low write powers. Full Text | PDF See also: Letter by Chanthbouala et al. Topological insulators: The surface surfaces pp85 - 86 Judy J. Cha and Yi Cui doi:10.1038/nnano.2012.9 Circularly polarized light can isolate surface states from bulk states in topological insulators, allowing their unique properties to be probed. Full Text | PDF See also: Letter by McIver et al. Nanotechnology JOBS of the week PhD-student with background in Chemistry / Polymer chemistry / Biomedical Engineering University of Twente Postdoctoral Fellow Hearing Research AudioCure Pharma (Ref No: AQ - 10) PhD: Investigation of Low-Temperature Charge Transport in Junctionless Silicon Transistors. Tyndall National Institute Postdoc in proteomics The Methodist Hospital Research Institute Position for PhD and MSc candidates in Analytical Chemistry and Nanotechnology Laboratory for Applied Materials & Biological Mass Spectrometry More Science jobs from Nanotechnology EVENT BioNanoMed 2012 01.-02.03.12 Krems, Austria More science events from Correction Top Molecular golems p86 doi:10.1038/nnano.2012.12 Full Text | PDF Letters Top Probing and repairing damaged surfaces with nanoparticle-containing microcapsules pp87 - 90 Katrina Kratz, Amrit Narasimhan, Ravisubhash Tangirala, SungCheal Moon, Ravindra Revanur, Santanu Kundu, Hyun Suk Kim, Alfred J. Crosby, Thomas P. Russell, Todd Emrick, German Kolmakov and Anna C. Balazs doi:10.1038/nnano.2011.235 Oil droplets stabilized with a polymer surfactant can repair cracked polymer surfaces by selectively delivering nanoparticles into the cracks. Abstract | Full Text | PDF Enhanced and switchable nanoscale thermal conduction due to van der Waals interfaces pp91 - 95 Juekuan Yang, Yang Yang, Scott W. Waltermire, Xiaoxia Wu, Haitao Zhang, Timothy Gutu, Youfei Jiang, Yunfei Chen, Alfred A. Zinn, Ravi Prasher, Terry T. Xu and Deyu Li doi:10.1038/nnano.2011.216 The thermal conductivity of a bundle of boron nanoribbons can be significantly higher than that of a single free-standing ribbon, and can be switched between this enhanced value and that of a single nanoribbon by wetting the interface between the nanoribbons with various solutions. Abstract | Full Text | PDF See also: News and Views by Dames Control over topological insulator photocurrents with light polarization pp96 - 100 J. W. McIver, D. Hsieh, H. Steinberg, P. Jarillo-Herrero and N. Gedik doi:10.1038/nnano.2011.214 A topological insulator illuminated with circularly or linearly polarized light produces a photocurrent that depends on the helicity or polarization of the light, respectively. Abstract | Full Text | PDF See also: News and Views by Cha & Cui Solid-state memories based on ferroelectric tunnel junctions pp101 - 104 André Chanthbouala, Arnaud Crassous, Vincent Garcia, Karim Bouzehouane, Stéphane Fusil, Xavier Moya, Julie Allibe, Bruno Dlubak, Julie Grollier, Stéphane Xavier, Cyrile Deranlot, Amir Moshar, Roger Proksch, Neil D. Mathur, Manuel Bibes and Agnès Barthélémy doi:10.1038/nnano.2011.213 A tunnel junction that consists of a ferroelectric barrier layer sandwiched between two electrodes can operate as a fast, low-power and non-volatile nanoscale solid-state memory. Abstract | Full Text | PDF See also: News and Views by Ionescu High-dynamic-range magnetometry with a single nuclear spin in diamond pp105 - 108 G. Waldherr, J. Beck, P. Neumann, R. S. Said, M. Nitsche, M. L. Markham, D. J. Twitchen, J. Twamley, F. Jelezko and J. Wrachtrup doi:10.1038/nnano.2011.224 Phase-estimation algorithms applied to single nitrogen nuclear spins in diamond allow weak magnetic fields to be measured with high sensitivity and a large dynamic range. Abstract | Full Text | PDF High-dynamic-range magnetometry with a single electronic spin in diamond pp109 - 113 N. M. Nusran, M. Ummal Momeen and M. V. Gurudev Dutt doi:10.1038/nnano.2011.225 Phase-estimation algorithms applied to single electronic spins in diamond allow weak magnetic fields to be measured with high sensitivity and a large dynamic range. Abstract | Full Text | PDF Ultrafast hot-carrier-dominated photocurrent in graphene pp114 - 118 Dong Sun, Grant Aivazian, Aaron M. Jones, Jason S. Ross, Wang Yao, David Cobden and Xiaodong Xu doi:10.1038/nnano.2011.243 Hot carriers dominate energy transport across graphene p–n junctions that are excited by ultrafast laser pulses, and set fundamental limits on device speeds. Abstract | Full Text | PDF Local electrical potential detection of DNA by nanowire–nanopore sensors pp119 - 125 Ping Xie, Qihua Xiong, Ying Fang, Quan Qing and Charles M. Lieber doi:10.1038/nnano.2011.217 Combining solid-state nanopores and nanowire field-effect transistors allows the translocation of single DNA molecules through the nanopore to be detected with a high intrinsic bandwidth and large-scale integration. Abstract | Full Text | PDF See also: News and Views by Anselmetti Articles Top Photoluminescence imaging of electronic-impurity-induced exciton quenching in single-walled carbon nanotubes pp126 - 132 Jared J. Crochet, Juan G. Duque, James H. Werner and Stephen K. Doorn doi:10.1038/nnano.2011.227 Photoluminescence microscopy can be used to image exciton quenching in semiconducting single-walled carbon nanotubes during the early stages of chemical doping. Abstract | Full Text | PDF Electrophoretically induced aqueous flow through single-walled carbon nanotube membranes pp133 - 139 Ji Wu, Karen Gerstandt, Hongbo Zhang, Jie Liu and Bruce J. Hinds doi:10.1038/nnano.2011.240 The electrophoretic mobilities of ions in membranes made of subnanometre carbon nanotubes are approximately three times higher than the bulk values, and the induced electro-osmotic velocities are four orders of magnitude faster than those measured in conventional porous materials. Abstract | Full Text | PDF Top Advertisement Frontiers in Electronic Materials: Correlation Effects and Memristive Phenomena June 17-20, 2012 • Aachen, Germany This conference will bring together leaders in the field to discuss breakthroughs and challenges in fundamental research as well as prospects for future applications. To register and for more information, visit: www.nature.com/natureconferences/fem2012   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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