NATURE NANOTECHNOLOGY Vol. 8 - 2013

SPIS TREŚCI

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THESIS 1 Naughty, naughty atoms / Chris Toumey RESEARCH HIGHLIGHTS 3 Our choice from the recent literature NEWS & VIEWS 5 Self-assembly: En route to patchy superlattices / Mathew M. Maye 6 Nanomaterials: Earthworms lit with quantum dots / Richard D. Tilley and

Soshan Cheong 7 Molecular motors: A turn in the right direction / Karl-Heinz Ernst 9 Supramolecular polymers: Molecular machines muscle up / Carson

J. Bruns and J. Fraser Stoddart 10 Superconductivity: The imaginary is real / Guy Deutscher REVIEW ARTICLE 13 Memristive devices for computing / J. Joshua Yang, Dmitri B. Strukov

and Duncan R. Stewart LETTERS 25 Fully gapped superconductivity in a nanometre-size YBa2Cu3O7–δ island

enhanced by a magnetic field / D. Gustafsson, D. Golubev, M. Fogelström, T. Claeson, S. Kubatkin, T. Bauch and F. Lombardi

31 Real-space imaging of fractional quantum Hall liquids / Junichiro Hayakawa, Koji Muraki and Go Yusa

36 A sub-1-volt nanoelectromechanical switching device / Jeong Oen Lee, Yong-Ha Song, Min-Wu Kim, Min-Ho Kang, Jae-Sub Oh, Hyun-Ho Yang and Jun-Bo Yoon

41 Growth of a two-dimensional dielectric monolayer on quasi-freestanding graphene / Rafik Addou, Arjun Dahal and Matthias Batzill

46 Controlled clockwise and anticlockwise rotational switching of a molecular motor / U. G. E. Perera, F. Ample, H. Kersell, Y. Zhang, G. Vives, J. Echeverria, M. Grisolia, G. Rapenne, C. Joachim and S-W. Hla

52 Electrostatic assembly of binary nanoparticle superlattices using protein cages / Mauri A. Kostiainen, Panu Hiekkataipale, Ari Laiho, Vincent Lemieux, Jani Seitsonen, Janne Ruokolainen and Pierpaolo Ceci

57 Biosynthesis of luminescent quantum dots in an earthworm / S.R. Stürzenbaum, M. Höckner, A. Panneerselvam, J. Levitt, J-S. Bouillard, S. Taniguchi, L-A. Dailey, R. Ahmad Khanbeigi, E.V. Rosca, M. Thanou, K. Suhling, A.V. Zayats and M. Green

61 Synthetic nanoparticles functionalized with biomimetic leukocyte membranes possess cell-like functions / Alessandro Parodi, Nicoletta Quattrocchi, Anne L. van de Ven, Ciro Chiappini, Michael Evangelopoulos, Jonathan O. Martinez, Brandon S. Brown, Sm Z. Khaled, Iman K. Yazdi, Maria Vittoria Enzo, Lucas Isenhart, Mauro Ferrari and Ennio Tasciotti

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EDITORIAL 69 The dialogue continues CORRESPONDENCE 71 We need answers 71 Broaden the discussion 72 Disseminating widely 72 Regulatory and research needs 72 Complexities abound 73 Leave the policing to others 73 Standardizing data RESEARCH HIGHLIGHTS 75 Our choice from the recent literature NEWS & VIEWS 76 Plasmonics: The dark side of the ring / Peter Nordlander 77 Nanomechanical sensors: Bent on detecting cancer / Gajendra

S. Shekhawat and Vinayak P. Dravid 79 Nanoparticles: Pushed off target with proteins / Rogério Gaspar 80 Molecular electronics: Van der Waals rectifiers / Steven L. Bernasek 81 Wear: One atom after the other / Andre Schirmeisen REVIEW ARTICLE 83 Multi-electrode array technologies for neuroscience and cardiology / Micha

E. Spira and Aviad Hai LETTERS 95 A subwavelength plasmonic metamolecule exhibiting magnetic-based

optical Fano resonance / Farbod Shafiei, Francesco Monticone, Khai Q. Le, Xing-Xiang Liu, Thomas Hartsfield, Andrea Alù and Xiaoqin Li

100 Vertical field-effect transistor based on graphene–WS2 heterostructures for flexible and transparent electronics / Thanasis Georgiou, Rashid Jalil, Branson D. Belle, Liam Britnell, Roman V. Gorbachev, Sergey V. Morozov, Yong-Jin Kim, Ali Gholinia, Sarah J. Haigh, Oleg Makarovsky, Laurence Eaves, Leonid A. Ponomarenko, Andre K. Geim, Kostya S. Novoselov and Artem Mishchenko

104 Magnetic quantum ratchet effect in graphene / C. Drexler, S.A. Tarasenko, P. Olbrich, J. Karch, M. Hirmer, F. Müller, M. Gmitra, J. Fabian, R. Yakimova, S. Lara-Avila, S. Kubatkin, M. Wang, R. Vajtai, P.M. Ajayan, J. Kono and S.D. Ganichev

108 Nanoscale wear as a stress-assisted chemical reaction / Tevis D.B. Jacobs and Robert W. Carpick

113 The role of van der Waals forces in the performance of molecular diodes / Nisachol Nerngchamnong, Li Yuan, Dong-Chen Qi, Jiang Li, Damien Thompson and Christian A. Nijhuis

119 In-plane heterostructures of graphene and hexagonal boron nitride with controlled domain sizes / Zheng Liu, Lulu Ma, Gang Shi, Wu Zhou, Yongji Gong, Sidong Lei, Xuebei Yang, Jiangnan Zhang, Jingjiang Yu, Ken P. Hackenberg, Aydin Babakhani, Juan-Carlos Idrobo, Robert Vajtai, Jun Lou and Pulickel M. Ajayan

125 Direct detection of a BRAF mutation in total RNA from melanoma cells using cantilever arrays / F. Huber, H.P. Lang, N. Backmann, D. Rimoldi and Ch. Gerber

130 Peptide nanofibrils boost retroviral gene transfer and provide a rapid means for concentrating viruses / Maral Yolamanova, Christoph Meier, Alexey K. Shaytan, Virag Vas, Carlos W. Bertoncini, Franziska Arnold, Onofrio Zirafi, Shariq M. Usmani, Janis A. Müller, Daniel Sauter, Christine Goffinet, David Palesch, Paul Walther, Nadia R. Roan, Hartmut Geiger, Oleg Lunov, Thomas Simmet, Jens Bohne, Hubert Schrezenmeier, Klaus Schwarz, Ludger Ständker, Wolf-Georg Forssmann, Xavier Salvatella, Pavel G. Khalatur, Alexei R. Khokhlov, Tuomas P. J. Knowles, Tanja Weil, Frank Kirchhoff and Jan Münch

137 Transferrin-functionalized nanoparticles lose their targeting capabilities when a biomolecule corona adsorbs on the surface / Anna Salvati, Andrzej S. Pitek, Marco P. Monopoli, Kanlaya Prapainop, Francesca Baldelli Bombelli, Delyan R. Hristov, Philip M. Kelly, Christoffer Åberg, Eugene Mahon and Kenneth A. Dawson

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EDITORIAL 145 From particles to nanowires CORRESPONDENCE 146 Measurement of mobility in dual-gated MoS2 transistors COMMENTARY 149 Majorana's wires / Marcel Franz 152 Skyrmions on the track / Albert Fert, Vincent Cros and João Sampaio RESEARCH HIGHLIGHTS 157 Our choice from the recent literature NEWS & VIEWS 158 Electronic devices: Nanotube arrays made to order / Hagen Klauk 159 Molecular spintronics: Stretch for a moment / Richard E. P. Winpenny 160 Skyrmions: Moving with the current / Achim Rosch 162 Microtubule assembly: Switched on with magnets / Sanjay Kumar 163 Foresight technical conference 2013: Illuminating Feynman's vision / Neil

R. Champness LETTERS 165 Strong spin–phonon coupling between a single-molecule magnet and a

carbon nanotube nanoelectromechanical system / Marc Ganzhorn, Svetlana Klyatskaya, Mario Ruben and Wolfgang Wernsdorfer

170 Electrical control of single hole spins in nanowire quantum dots / V.S. Pribiag, S. Nadj-Perge, S.M. Frolov, J.W.G. van den Berg, I. van Weperen, S.R. Plissard, E.P.A.M. Bakkers and L.P. Kouwenhoven

175 Three-dimensional optical manipulation of a single electron spin / Michael Geiselmann, Mathieu L. Juan, Jan Renger, Jana M. Say, Louise J. Brown, F. Javier García de Abajo, Frank Koppens and Romain Quidant

180 Arrays of single-walled carbon nanotubes with full surface coverage for high-performance electronics / Qing Cao, Shu-jen Han, George S. Tulevski, Yu Zhu, Darsen D. Lu and Wilfried Haensch

187 Biomimetic enzyme nanocomplexes and their use as antidotes and preventive measures for alcohol intoxication / Yang Liu, Juanjuan Du, Ming Yan, Mo Yin Lau, Jay Hu, Hui Han, Otto O. Yang, Sheng Liang, Wei Wei, Hui Wang, Jianmin Li, Xinyuan Zhu, Linqi Shi, Wei Chen, Cheng Ji and Yunfeng Lu

193 Subcellular control of Rac-GTPase signalling by magnetogenetic manipulation inside living cells / F. Etoc, D. Lisse, Y. Bellaiche, J. Piehler, M. Coppey and M. Dahan

ARTICLES 199 Spatiotemporal control of microtubule nucleation and assembly using

magnetic nanoparticles / Céline Hoffmann, Elsa Mazari, Sylvie Lallet, Roland Le Borgne, Valérie Marchi, Charlie Gosse and Zoher Gueroui

206 Thermal activation of non-radiative Auger recombination in charged colloidal nanocrystals / C. Javaux, B. Mahler, B. Dubertret, A. Shabaev, A.V. Rodina, Al.L. Efros, D.R. Yakovlev, F. Liu, M. Bayer, G. Camps, L. Biadala, S. Buil, X. Quelin and J-P. Hermier

213 On-demand semiconductor single-photon source with near-unity indistinguishability / Yu-Ming He, Yu He, Yu-Jia Wei, Dian Wu, Mete Atatüre, Christian Schneider, Sven Höfling, Martin Kamp, Chao-Yang Lu and Jian-Wei Pan

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EDITORIAL 221 Graphene in the heart of Europe COMMENTARY 222 The insurability of nanomaterial production risk / Martin Mullins, Finbarr

Murphy, Lijana Baublyte, Eamonn M. McAlea and Syed A.M. Tofail THESIS 225 The three sisters of risk / Chris Toumey RESEARCH HIGHLIGHTS 227 Our choice from the recent literature NEWS AND VIEWS 229 Plasmonics: Harvest season for hot electrons / Hamidreza Chalabi and

Mark L. Brongersma 230 Molecular electronics: Reflections on charge transport / Georg Heimel

and Jean-Luc Brédas 232 Spintronics: Getting current pulses under control / Richard D. Averitt 233 Quantum information: Atoms and circuits unite in silicon / Andrea Morello REVIEW ARTICLE 235 Raman spectroscopy as a versatile tool for studying the properties of

graphene / Andrea C. Ferrari and Denis M. Basko LETTERS 247 An autonomous photosynthetic device in which all charge carriers derive

from surface plasmons / Syed Mubeen, Joun Lee, Nirala Singh, Stephan Krämer, Galen D. Stucky and Martin Moskovits

252 An electromechanically reconfigurable plasmonic metamaterial operating in the near-infrared / Jun-Yu Ou, Eric Plum, Jianfa Zhang and Nikolay I. Zheludev

256 Terahertz spin current pulses controlled by magnetic heterostructures / T. Kampfrath, M. Battiato, P. Maldonado, G. Eilers, J. Nötzold, S. Mährlein, V. Zbarsky, F. Freimuth, Y. Mokrousov, S. Blügel, M. Wolf, I. Radu, P. M. Oppeneer and M. Münzenberg

261 Bipolar spin blockade and coherent state superpositions in a triple quantum dot / M. Busl, G. Granger, L. Gaudreau, R. Sánchez, A. Kam, M. Pioro-Ladrière, S.A. Studenikin, P. Zawadzki, Z.R. Wasilewski, A.S. Sachrajda and G. Platero

266 Ferromagnetic dislocations in antiferromagnetic NiO / Issei Sugiyama, Naoya Shibata, Zhongchang Wang, Shunsuke Kobayashi, Takahisa Yamamoto and Yuichi Ikuhara

271 Orientation of luminescent excitons in layered nanomaterials / Jon A. Schuller, Sinan Karaveli, Theanne Schiros, Keliang He, Shyuan Yang, Ioannis Kymissis, Jie Shan and Rashid Zia

277 Nanowire liquid pumps / Jian Yu Huang, Yu-Chieh Lo, Jun Jie Niu, Akihiro Kushima, Xiaofeng Qian, Li Zhong, Scott X. Mao and Ju Li

ARTICLES 282 Large tunable image-charge effects in single-molecule junctions / Mickael

L. Perrin, Christopher J.O. Verzijl, Christian A. Martin, Ahson J. Shaikh, Rienk Eelkema, Jan H. van Esch, Jan M. van Ruitenbeek, Joseph M. Thijssen, Herre S.J. van der Zant and Diana Dulić

288 Multistep protein unfolding during nanopore translocation / David Rodriguez-Larrea and Hagan Bayley

296 Activation of different split functionalities on re-association of RNA–DNA hybrids / Kirill A. Afonin, Mathias Viard, Angelica N. Martins, Stephen J. Lockett, Anna E. Maciag, Eric O. Freed, Eliahu Heldman, Luc Jaeger, Robert Blumenthal and Bruce A. Shapiro

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CORRESPONDANCE 305 The European Union's chemical legislation needs revision 306 Substance identification of nanomaterials not key to ensuring their safe use 307 A tiered approach 308 Nanoparticle dispersity in toxicology RESEARCH HIGHLIGHTS 310 Our choice from the recent literature NEWS AND VIEWS 311 Graphene transfer: A stamp for all substrates / Jae-Young Choi 312 Nanoscale devices: Untangling nanowire assembly / Nathan O. Weiss

& Xiangfeng Duan 313 Magnetic resonance imaging: Silicon for the future / Joseph

J.H. Ackerman 315 Magnetic sensors: Nanoparticles detect infection / Alan McNally 317 Cold atoms: Trapped by nanostructures / Jérôme Estève 318 Magnetic nanostructures: Vortex states à la carte / Riccardo Hertel LETTERS 321 A surface-patterned chip as a strong source of ultracold atoms for quantum

technologies / C.C. Nshii, M. Vangeleyn, J.P. Cotter, P.F. Griffin, E.A. Hinds, C.N. Ironside, P. See, A.G. Sinclair, E. Riis and A.S. Arnold

325 Direct observation and dynamics of spontaneous skyrmion-like magnetic domains in a ferromagnet / Masahiro Nagao, Yeong-Gi So, Hiroyuki Yoshida, Masaaki Isobe, Toru Hara, Kazuo Ishizuka and Koji Kimoto

329 A nanoscale combing technique for the large-scale assembly of highly aligned nanowires / Jun Yao, Hao Yan and Charles M. Lieber

336 A biomimetic nanosponge that absorbs pore-forming toxins / Che-Ming J. Hu, Ronnie H. Fang, Jonathan Copp, Brian T. Luk and Liangfang Zhang

ARTICLES 341 Dynamic switching of the spin circulation in tapered magnetic nanodisks /

V. Uhlíř, M. Urbánek, L. Hladík, J. Spousta, M-Y. Im, P. Fischer, N. Eibagi, J.J. Kan, E.E. Fullerton and T. Šikola

347 Using nanoscale thermocapillary flows to create arrays of purely semiconducting single-walled carbon nanotubes / Sung Hun Jin, Simon N. Dunham, Jizhou Song, Xu Xie, Ji-hun Kim, Chaofeng Lu, Ahmad Islam, Frank Du, Jaeseong Kim, Johnny Felts, Yuhang Li, Feng Xiong, Muhammad A. Wahab, Monisha Menon, Eugene Cho, Kyle L. Grosse, Dong Joon Lee, Ha Uk Chung, Eric Pop, Muhammad A. Alam, William P. King, Yonggang Huang and John A. Rogers

356 A general method for transferring graphene onto soft surfaces / Jie Song, Fong-Yu Kam, Rui-Qi Png, Wei-Ling Seah, Jing-Mei Zhuo, Geok-Kieng Lim, Peter K. H. Ho and Lay-Lay Chua

363 In vivo magnetic resonance imaging of hyperpolarized silicon particles / M.C. Cassidy, H.R. Chan, B.D. Ross, P.K. Bhattacharya and C.M. Marcus

369 A magneto-DNA nanoparticle system for rapid detection and phenotyping of bacteria / Hyun Jung Chung, Cesar M. Castro, Hyungsoon Im, Hakho Lee and Ralph Weissleder

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EDITORIAL 377 Does molecular electronics compute? COMMENTARY 378 A brief history of molecular electronics / Mark Ratner 381 Wiring molecules into circuits / Emanuel Lörtscher FEATURE 385 Visions for a molecular future RESEARCH HIGHLIGHTS 390 Our choice from the recent literature NEWS & VIEWS 391 Magnetic domain walls: Traps with potential / T.J. Hayward and D.A.

Allwood 392 Thermal transport: Naturally glassy crystals / Austin J. Minnich 393 Microcavity polaritons: A new type of light switch / David Snoke 395 Quantum dots: And then there were three / David J. Reilly 396 Nanoparticle synthesis: Any way you want it / Eugene R. Zubarev REVIEW ARTICLE 399 Single-molecule junctions beyond electronic transport / Sriharsha

V. Aradhya and Latha Venkataraman LETTERS 411 Voltage-controlled domain wall traps in ferromagnetic nanowires / Uwe

Bauer, Satoru Emori and Geoffrey S. D. Beach 417 Gigahertz quantized charge pumping in graphene quantum dots /

M.R. Connolly, K.L. Chiu, S.P. Giblin, M. Kataoka, J.D. Fletcher, C. Chua, J.P. Griffiths, G.A.C. Jones, V.I. Fal'ko, C.G. Smith and T.J.B.M. Janssen

421 A transparent electrode based on a metal nanotrough network / Hui Wu, Desheng Kong, Zhichao Ruan, Po-Chun Hsu, Shuang Wang, Zongfu Yu, Thomas J. Carney, Liangbing Hu, Shanhui Fan and Yi Cui

426 A general and robust strategy for the synthesis of nearly monodisperse colloidal nanocrystals / Xinchang Pang, Lei Zhao, Wei Han, Xukai Xin and Zhiqun Lin

ARTICLES 432 Long-distance coherent coupling in a quantum dot array / F.R. Braakman,

P. Barthelemy, C. Reichl, W. Wegscheider and L.M.K. Vandersypen 438 Exchange bias of the interface spin system at the Fe/MgO interface /

Y. Fan, K.J. Smith, G. Lüpke, A.T. Hanbicki, R. Goswami, C.H. Li, H.B. Zhao and B.T. Jonker

445 Glass-like phonon scattering from a spontaneous nanostructure in AgSbTe2 / J. Ma, O. Delaire, A.F. May, C.E. Carlton, M.A. McGuire, L.H. VanBebber, D.L. Abernathy, G. Ehlers, Tao Hong, A. Huq, Wei Tian, V.M. Keppens, Y. Shao-Horn and B.C. Sales

452 DNA sequencing using electrical conductance measurements of a DNA polymerase / Yu-Shiun Chen, Chia-Hui Lee, Meng-Yen Hung, Hsu-An Pan, Jin-Chern Chiou and G. Steven Huang

459 Two DNA nanomachines map pH changes along intersecting endocytic pathways inside the same cell / Souvik Modi, Clément Nizak, Sunaina Surana, Saheli Halder and Yamuna Krishnan

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EDITORIAL 469 Reflections on thermoelectric CORRESPONDENCE 470 Dissipative feedback does not improve the optimal resolution of incoherent

force detection COMMENTARY 471 When thermoelectrics reached the nanoscale / Joseph P. Heremans,

Mildred S. Dresselhaus, Lon E. Bell and Donald T. Morelli THESIS 475 Nanobots today / Chris Toumey RESEARCH HIGHLIGHTS 477 Our choice from the recent literature NEWS & VIEWS 479 Plasmonic lasers: A sense of direction / Jorge Bravo-Abad and

Francisco J. García-Vidal 480 Single-molecule detection: Breaking the concentration barrier / Philip

Tinnefeld 482 Nanomechanics: Sensing from the bottom up / Martino Poggio 483 Sensors: Good vibrations for bad bacteria / Rachel A. McKendry and

Natascha Kappeler 485 Spintronics: Chiral domain walls move faster / Arne Brataas LETTERS 487 Readout and control of a single nuclear spin with a metastable electron

spin ancilla / Sang-Yun Lee, Matthias Widmann, Torsten Rendler, Marcus W. Doherty, Thomas M. Babinec, Sen Yang, Moritz Eyer, Petr Siyushev, Birgit J.M. Hausmann, Marko Loncar, Zoltán Bodrog, Adam Gali, Neil B. Manson, Helmut Fedder and Jörg Wrachtrup

493 Ultrasensitive force detection with a nanotube mechanical resonator / J. Moser, J. Güttinger, A. Eichler, M.J. Esplandiu, D.E. Liu, M.I. Dykman and A. Bachtold

497 Ultrasensitive photodetectors based on monolayer MoS2 / Oriol Lopez-Sanchez, Dominik Lembke, Metin Kayci, Aleksandra Radenovic and Andras Kis

502 Bright, long-lived and coherent excitons in carbon nanotube quantum dots / Matthias S. Hofmann, Jan T. Glückert, Jonathan Noé, Christian Bourjau, Raphael Dehmel and Alexander Högele

506 Lasing action in strongly coupled plasmonic nanocavity arrays / Wei Zhou, Montacer Dridi, Jae Yong Suh, Chul Hoon Kim, Dick T. Co, Michael R. Wasielewski, George C. Schatz and Teri W. Odom

512 A plasmonic ‘antenna-in-box’ platform for enhanced single-molecule analysis at micromolar concentrations / Deep Punj, Mathieu Mivelle, Satish Babu Moparthi, Thomas S. van Zanten, Hervé Rigneault, Niek F. van Hulst, María F. García-Parajó and Jérôme Wenger

517 Silicon chips detect intracellular pressure changes in living cells / Rodrigo Gómez-Martínez, Alberto M. Hernández-Pinto, Marta Duch, Patricia Vázquez, Kirill Zinoviev, Enrique J. de la Rosa, Jaume Esteve, Teresa Suárez and José A. Plaza

522 Rapid detection of bacterial resistance to antibiotics using AFM cantilevers as nanomechanical sensors / G. Longo, L. Alonso-Sarduy, L. Marques Rio, A. Bizzini, A. Trampuz, J. Notz, G. Dietler and S. Kasas

ARTICLES 527 Chiral spin torque at magnetic domain walls / Kwang-Su Ryu, Luc

Thomas, See-Hun Yang and Stuart Parkin 534 Observation of room-temperature ballistic thermal conduction persisting

over 8.3 µm in SiGe nanowires / Tzu-Kan Hsiao, Hsu-Kai Chang, Sz-Chian Liou, Ming-Wen Chu, Si-Chen Lee and Chih-Wei Chang

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EDITORIAL 539 Scanning the past RESEARCH HIGHLIGHTS 540 Our choice from the recent literature NEWS & VIEWS 541 Topological insulators: Plasmons at the surface / Yoshinori Okada and

Vidya Madhavan 542 Electron microscopy: Watching the rise and fall of a dislocation / Fabio

Pulizzi 543 Nanofabrication: Pristine quantum devices on demand / Zhaohui Zhong 544 Quantum computing: Atomic clocks in the solid state / Sven Rogge and

Matthew J. Sellars 545 Artificial cells: Crowded genes perform differently / Friedrich C. Simmel 546 Molecular computing: In situ computation of cell identity / Thomas

E. Schaus and Peng Yin PROGRESS ARTICLE 549 Low-frequency 1/f noise in graphene devices / Alexander A. Balandin LETTERS 556 Observation of Dirac plasmons in a topological insulator / P. Di Pietro,

M. Ortolani, O. Limaj, A. Di Gaspare, V. Giliberti, F. Giorgianni, M. Brahlek, N. Bansal, N. Koirala, S. Oh, P. Calvani and S. Lupi

561 Atomic clock transitions in silicon-based spin qubits / Gary Wolfowicz, Alexei M. Tyryshkin, Richard E. George, Helge Riemann, Nikolai V. Abrosimov, Peter Becker, Hans-Joachim Pohl, Mike L.W. Thewalt, Stephen A. Lyon and John J.L. Morton

565 A valley–spin qubit in a carbon nanotube / E.A. Laird, F. Pei and L.P. Kouwenhoven

569 Realization of pristine and locally tunable one-dimensional electron systems in carbon nanotubes / J. Waissman, M. Honig, S. Pecker, A. Benyamini, A. Hamo and S. Ilani

575 Switching of a coupled spin pair in a single-molecule junction / Stefan Wagner, Ferdinand Kisslinger, Stefan Ballmann, Frank Schramm, Rajadurai Chandrasekar, Tilmann Bodenstein, Olaf Fuhr, Daniel Secker, Karin Fink, Mario Ruben and Heiko B. Weber

580 Autonomous molecular cascades for evaluation of cell surfaces / Maria Rudchenko, Steven Taylor, Payal Pallavi, Alesia Dechkovskaia, Safana Khan, Vincent P. Butler Jr, Sergei Rudchenko and Milan N. Stojanovic

ARTICLES 587 Symmetry and magnitude of spin–orbit torques in ferromagnetic

heterostructures / Kevin Garello, Ioan Mihai Miron, Can Onur Avci, Frank Freimuth, Yuriy Mokrousov, Stefan Blügel, Stéphane Auffret, Olivier Boulle, Gilles Gaudin and Pietro Gambardella

594 Destructive extraction of phospholipids from Escherichia coli membranes by graphene nanosheets / Yusong Tu, Min Lv, Peng Xiu, Tien Huynh, Meng Zhang, Matteo Castelli, Zengrong Liu, Qing Huang, Chunhai Fan, Haiping Fang and Ruhong Zhou

602 Molecular crowding shapes gene expression in synthetic cellular nanosystems / Cheemeng Tan, Saumya Saurabh, Marcel P. Bruchez, Russell Schwartz and Philip LeDuc

609 Erratum 609 Corrigendum

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EDITORIAL 611 A better spin on organic semiconductors COMMENTARY 612 Challenges for organic spintronics / Christoph Boehme and John

M. Lupton RESEARCH HIGHLIGHTS 616 Our choice from the recent literature NEWS & VIEWS 617 Magnetic sensors: A tip for better sensing / Dieter Koelle 618 Nanolithography: Painting with block copolymers / Richard A. Register 620 Patchy nanoparticles: Curvature makes a difference / Orlin D. Velev 621 Single-spin magnetometry: Capturing stray fields / Elisa De Ranieri 622 Single-atom switches: Toggled with electrical current / Sense Jan van

der Molen 623 Exotic matter: Majorana modes materialize / Jason Alicea REVIEW ARTICLE 625 Artificial honeycomb lattices for electrons, atoms and photons / Marco

Polini, Francisco Guinea, Maciej Lewenstein, Hari C. Manoharan and Vittorio Pellegrini

LETTERS 634 Optical generation of excitonic valley coherence in monolayer WSe2 /

Aaron M. Jones, Hongyi Yu, Nirmal J. Ghimire, Sanfeng Wu, Grant Aivazian, Jason S. Ross, Bo Zhao, Jiaqiang Yan, David G. Mandrus, Di Xiao, Wang Yao and Xiaodong Xu

639 A scanning superconducting quantum interference device with single electron spin sensitivity / Denis Vasyukov, Yonathan Anahory, Lior Embon, Dorri Halbertal, Jo Cuppens, Lior Neeman, Amit Finkler, Yehonathan Segev, Yuri Myasoedov, Michael L. Rappaport, Martin E. Huber and Eli Zeldov

645 A current-driven single-atom memory / C. Schirm, M. Matt, F. Pauly, J.C. Cuevas, P. Nielaba and E. Scheer

649 Luminescence upconversion in colloidal double quantum dots / Zvicka Deutsch, Lior Neeman and Dan Oron

ARTICLES 654 Self-consistent measurement and state tomography of an exchange-only

spin qubit / J. Medford, J. Beil, J.M. Taylor, S.D. Bartlett, A.C. Doherty, E.I. Rashba, D.P. DiVincenzo, H. Lu, A.C. Gossard and C.M. Marcus

660 Flow-based solution–liquid–solid nanowire synthesis / Rawiwan Laocharoensuk, Kumaranand Palaniappan, Nickolaus A. Smith, Robert M. Dickerson, Donald J. Werder, Jon K. Baldwin and Jennifer A. Hollingsworth

667 Hierarchical patterns of three-dimensional block-copolymer films formed by electrohydrodynamic jet printing and self-assembly / M. Serdar Onses, Chiho Song, Lance Williamson, Erick Sutanto, Placid M. Ferreira, Andrew G. Alleyne, Paul F. Nealey, Heejoon Ahn and John A. Rogers

676 Geometric curvature controls the chemical patchiness and self-assembly of nanoparticles / David A. Walker, Emily K. Leitsch, Rikkert J. Nap, Igal Szleifer and Bartosz A. Grzybowski

682 Tracking the engraftment and regenerative capabilities of transplanted lung stem cells using fluorescent nanodiamonds / Tsai-Jung Wu, Yan-Kai Tzeng, Wei-Wei Chang, Chi-An Cheng, Yung Kuo, Chin-Hsiang Chien, Huan-Cheng Chang and John Yu

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EDITORIAL 691 It's all about data CORRESPONDENCE 692 Reply to 'Dissipative feedback does not improve the optimal resolution of

incoherent force detection' COMMENTARY 693 Report the awful truth! / Leonie Mueck THESIS 697 Anti-nanotech violence / Chris Toumey RESEARCH HIGHLIGHTS 699 Our choice from the recent literature NEWS & VIEWS 701 Nanoparticles: Tracking protein corona over time / Martin Lundqvist 702 Nanocrystals: Shining a light on upconversion / Yuhai Zhang and

Xiaogang Liu 703 DNA computing: Molecules reach consensus / Ehud Shapiro and Tom

Ran 705 Artificial spin ice: Crystal-clear order / Laura J. Heyderman 706 Spintronics: An insulator-based transistor / Yaroslav Tserkovnyak REVIEW ARTICLE 709 Micro- and nanoscale devices for the investigation of epigenetics and

chromatin dynamics / Carlos A. Aguilar and Harold G. Craighead LETTERS 719 Quantum interference in plasmonic circuits / Reinier W. Heeres, Leo

P. Kouwenhoven and Valery Zwiller 723 Towards control of the size and helicity of skyrmions in helimagnetic alloys

by spin–orbit coupling / K. Shibata, X.Z. Yu, T. Hara, D. Morikawa, N. Kanazawa, K. Kimoto, S. Ishiwata, Y. Matsui and Y. Tokura

729 Single-nanocrystal sensitivity achieved by enhanced upconversion luminescence / Jiangbo Zhao, Dayong Jin, Erik P. Schartner, Yiqing Lu, Yujia Liu, Andrei V. Zvyagin, Lixin Zhang, Judith M. Dawes, Peng Xi, James A. Piper, Ewa M. Goldys and Tanya M. Monro

735 Sensitive capture of circulating tumour cells by functionalized graphene oxide nanosheets / Hyeun Joong Yoon, Tae Hyun Kim, Zhuo Zhang, Ebrahim Azizi, Trinh M. Pham, Costanza Paoletti, Jules Lin, Nithya Ramnath, Max S. Wicha, Daniel F. Hayes, Diane M. Simeone and Sunitha Nagrath

ARTICLES 742 Current-induced skyrmion dynamics in constricted geometries / Junichi

Iwasaki, Masahito Mochizuki and Naoto Nagaosa

748 Switching of ferroelectric polarization in epitaxial BaTiO3 films on silicon without a conducting bottom electrode / Catherine Dubourdieu, John Bruley, Thomas M. Arruda, Agham Posadas, Jean Jordan-Sweet, Martin M. Frank, Eduard Cartier, David J. Frank, Sergei V. Kalinin, Alexander A. Demkov and Vijay Narayanan

755 Programmable chemical controllers made from DNA / Yuan-Jyue Chen, Neil Dalchau, Niranjan Srinivas, Andrew Phillips, Luca Cardelli, David Soloveichik and Georg Seelig

763 Self-assembly of carbon nanotubes and antibodies on tumours for targeted amplified delivery / J. Justin Mulvey, Carlos H. Villa, Michael R. McDevitt, Freddy E. Escorcia, Emily Casey and David A. Scheinberg

772 Rapid formation of plasma protein corona critically affects nanoparticle pathophysiology / Stefan Tenzer, Dominic Docter, Jörg Kuharev, Anna Musyanovych, Verena Fetz, Rouven Hecht, Florian Schlenk, Dagmar Fischer, Klytaimnistra Kiouptsi, Christoph Reinhardt, Katharina Landfester, Hansjörg Schild, Michael Maskos, Shirley K. Knauer and Roland H. Stauber

781 Addendum

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EDITORIAL 783 A lot to learn COMMENTARY 784 A guide to mentoring undergraduates in the lab / Philip S. Lukeman 786 Learning and research in the cloud / Krishna Madhavan, Michael

Zentner and Gerhard Klimeck 789 An education in progress / Tebello Nyokong and Janice Limson 792 The road ahead / Roberto Cingolani FEATURE 794 Thoughts on an education RESEARCH HIGHLIGHTS 798 Our choice from the recent literature NEWS & VIEWS 799 Nanoimaging: Hot electrons go through the barrier / P. James Schuck 800 Spintronics: Skyrmions singled out / Rembert Duine 802 Surface plasmons: A probe for graphene electronics / Rémi Carminati 803 Magnetic properties: Probing buried interfaces / Andrei Slavin 805 Polymer nanoparticles: Weighing up gene delivery / Ameya R. Kirtane

and Jayanth Panyam REVIEW ARTICLE 807 Optical trapping and manipulation of nanostructures / Onofrio M. Maragò,

Philip H. Jones, Pietro G. Gucciardi, Giovanni Volpe and Andrea C. Ferrari

LETTERS 821 Electronic and plasmonic phenomena at graphene grain boundaries /

Z. Fei, A.S. Rodin, W. Gannett, S. Dai, W. Regan, M. Wagner, M.K. Liu, A.S. McLeod, G. Dominguez, M. Thiemens, Antonio H. Castro Neto, F. Keilmann, A. Zettl, R. Hillenbrand, M.M. Fogler and D.N. Basov

826 Graphene–MoS2 hybrid structures for multifunctional photoresponsive memory devices / Kallol Roy, Medini Padmanabhan, Srijit Goswami, T. Phanindra Sai, Gopalakrishnan Ramalingam, Srinivasan Raghavan and Arindam Ghosh

831 Multivalent ligands control stem cell behaviour in vitro and in vivo / Anthony Conway, Tandis Vazin, Dawn P. Spelke, Nikhil A. Rode, Kevin E. Healy, Ravi S. Kane and David V. Schaffer

ARTICLES 839 Nucleation, stability and current-induced motion of isolated magnetic

skyrmions in nanostructures / J. Sampaio, V. Cros, S. Rohart, A. Thiaville and A. Fert

845 Hot-electron nanoscopy using adiabatic compression of surface plasmons / A. Giugni, B. Torre, A. Toma, M. Francardi, M. Malerba, A. Alabastri, R. Proietti Zaccaria, M.I. Stockman and E. Di Fabrizio

853 Direct probing of the exchange interaction at buried interfaces / Kh. Zakeri, T.-H. Chuang, A. Ernst, L.M. Sandratskii, P. Buczek, H.J. Qin, Y. Zhang and J. Kirschner

859 Formation and electronic properties of InSb nanocrosses / Sébastien R. Plissard, Ilse van Weperen, Diana Car, Marcel A. Verheijen, George W.G. Immink, Jakob Kammhuber, Ludo J. Cornelissen, Daniel B. Szombati, Attila Geresdi, Sergey M. Frolov, Leo P. Kouwenhoven and Erik P.A.M. Bakkers

865 A general strategy for the DNA-mediated self-assembly of functional nanoparticles into heterogeneous systems / Yugang Zhang, Fang Lu, Kevin G. Yager, Daniel van der Lelie and Oleg Gang

873 In vivo biosensing via tissue-localizable near-infrared-fluorescent single-walled carbon nanotubes / Nicole M. Iverson, Paul W. Barone, Mia Shandell, Laura J. Trudel, Selda Sen, Fatih Sen, Vsevolod Ivanov, Esha Atolia, Edgardo Farias, Thomas P. McNicholas, Nigel Reuel, Nicola M.A. Parry, Gerald N. Wogan and Michael S. Strano

881 Corrigendum and Errata

nr 12

EDITORIAL 883 Skyrmionics in sight 883 An organic response CORRESPONDENCE 884 Persistent spin coherence and bipolarons 885 More than spectroscopy 885 Standardization should come first 886 Focusing on the molecular scale 886 An agnostic approach 887 Is there more than meets the eye? FEATURE 888 The struggle for control / Alberto Moscatelli RESEARCH HIGHLIGHTS 891 Our choice from the recent literature NEWS & VIEWS 892 Protein machines: An open and shut cage / G. Andrew Woolley 893 Friction: Towards macroscale superlubricity / Michael Urbakh 894 Carbon nanotubes: Captured on camera / Matt W. Graham 896 Molecular sensing: A universal receptor / Davide Bonifazi 897 Nanoelectromechanical systems: Tuning in to a graphene oscillator /

Philip X.-L. Feng REVIEW ARTICLE 899 Topological properties and dynamics of magnetic skyrmions / Naoto

Nagaosa and Yoshinori Tokura LETTERS 912 Superlubricity in centimetres-long double-walled carbon nanotubes under

ambient conditions / Rufan Zhang, Zhiyuan Ning, Yingying Zhang, Quanshui Zheng, Qing Chen, Huanhuan Xie, Qiang Zhang, Weizhong Qian and Fei Wei

917 High-throughput optical imaging and spectroscopy of individual carbon nanotubes in devices / Kaihui Liu, Xiaoping Hong, Qin Zhou, Chenhao Jin, Jinghua Li, Weiwei Zhou, Jie Liu, Enge Wang, Alex Zettl and Feng Wang

923 Graphene mechanical oscillators with tunable frequency / Changyao Chen, Sunwoo Lee, Vikram V. Deshpande, Gwan-Hyoung Lee, Michael Lekas, Kenneth Shepard and James Hone

928 Reprogramming an ATP-driven protein machine into a light-gated nanocage / Daniel Hoersch, Soung-Hun Roh, Wah Chiu and Tanja Kortemme

933 Nanoparticle-detained toxins for safe and effective vaccination / Che-Ming J. Hu, Ronnie H. Fang, Brian T. Luk and Liangfang Zhang

ARTICLES 939 Detecting the translocation of DNA through a nanopore using graphene

nanoribbons / F. Traversi, C. Raillon, S. M. Benameur, K. Liu, S. Khlybov, M. Tosun, D. Krasnozhon, A. Kis and A. Radenovic

946 Optoelectronic control of surface charge and translocation dynamics in solid-state nanopores / Nicolas Di Fiori, Allison Squires, Daniel Bar, Tal Gilboa, Theodore D. Moustakas and Amit Meller

952 Highly efficient gate-tunable photocurrent generation in vertical heterostructures of layered materials / Woo Jong Yu, Yuan Liu, Hailong Zhou, Anxiang Yin, Zheng Li, Yu Huang and Xiangfeng Duan

959 Molecular recognition using corona phase complexes made of synthetic polymers adsorbed on carbon nanotubes / Jingqing Zhang, Markita P. Landry, Paul W. Barone, Jong-Ho Kim, Shangchao Lin, Zachary W. Ulissi, Dahua Lin, Bin Mu, Ardemis A. Boghossian, Andrew J. Hilmer, Alina Rwei, Allison C. Hinckley, Sebastian Kruss, Mia A. Shandell, Nitish Nair, Steven Blake, Fatih Şen, Selda Şen, Robert G. Croy, Deyu Li, Kyungsuk Yum, Jin-Ho Ahn, Hong Jin, Daniel A. Heller, John M. Essigmann, Daniel Blankschtein and Michael S. Strano

881 Corrigendum and Errata

Oprac. BPK