Nature Materials contents: June 2015 Volume 14 Number 6 pp 541-651

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Subscribe   Facebook   RSS   Recommend to library   Twitter   Advertisement Nature Communications is now fully open access All new submissions if accepted, will be published open access and an article processing charge will apply. For more information visit the website. Visit our open access funding page or contact openaccess@nature.com to learn more on APC funding.     Editorial Top Crystallizing glassy issues   p541 doi:10.1038/nmat4319 Understanding the behaviour of metallic glasses requires answers to complex scientific questions, which are also critical for their successful commercialization. Commentaries Top New horizons for glass formation and stability   pp542 - 546 A. Lindsay Greer doi:10.1038/nmat4292 It has long been thought impossible for pure metals to form stable glasses. Recent work supports earlier evidence of glass formation in pure metals, shows the potential for devices based on rapid glass–crystal phase change, and highlights the lack of an adequate theory for fast crystal growth. Tuning order in disorder   pp547 - 552 Evan Ma doi:10.1038/nmat4300 Recent research has revealed considerable diversity in the short-range ordering of metallic glass, identifying favoured and unfavoured local atomic configurations coexisting in an inhomogeneous amorphous structure. Tailoring the population of these local motifs may selectively enhance a desired property. Interview Top Is metallic glass poised to come of age?   pp553 - 555 doi:10.1038/nmat4297 There have been a number of attempts to commercialize bulk metallic glass over the past 20 years. William L. Johnson, the Mettler Professor of Materials Science at California Institute of Technology, has been a prominent figure in these efforts and gives Nature Materials his perspective on the topic. Research Highlights Top Ferromagnetism: Ultrafast tunability | Metallic glasses: Tunable nanostructures | Organic photovoltaics: Equilibrium at the interface | Quantum physics: Indistinguishable atoms | Single-molecule tracking: Fretted diffusion News and Views Top Organic–inorganic perovskites: Lower threshold for nanowire lasers   pp557 - 558 Anthony Fu and Peidong Yang doi:10.1038/nmat4291 Hybrid perovskite is introduced as a new material for nanowire lasers. One-dimensional nanostructures of these perovskites can be optically pumped to lase with tunable wavelength at relatively low threshold, which marks a step towards their use in integrated photonics. See also: Article by Zhu et al. Implanted materials: Larger is stealthier   pp558 - 559 Ruud A. Bank doi:10.1038/nmat4304 Implanted spheres with a diameter larger than 1.5 mm escape fibrotic responses, thereby extending the survival time of the encapsulated therapeutic cells. See also: Article by Veiseh et al. Photovoltaics: Perovskite cells charge forward   pp559 - 561 Martin A. Green and Thomas Bein doi:10.1038/nmat4301 Now that certified energy conversion efficiencies for perovskite solar cells are above 20%, researchers are exploring other critical areas, such as understanding device hysteresis and film growth, as well as the replacement of lead and the development of tandem cell stacks. Cell stability remains a crucial issue. Superconducting qubits: Solving a wonderful problem   pp561 - 563 Simon Benjamin and Julian Kelly doi:10.1038/nmat4306 Superconducting qubits are used to demonstrate features of quantum fault tolerance, making an important step towards the realization of a practical quantum machine. Material witness: Pushing nanotubes to the limit   p563 Philip Ball doi:10.1038/nmat4307 2D semiconductors: One at a time   p564 Maria Maragkou doi:10.1038/nmat4310 Superconductivity: The persistence of pairs   pp565 - 566 Alex Edelman and Peter Littlewood doi:10.1038/nmat4305 Fingerprints of electron pairing in a range of temperature and magnetic field above the bulk superconducting phase transition have been found, which may be evidence for the long-sought 'preformed pairs' expected in strongly coupled or very dilute superconductors. Materials JOBS of the week Senior Scientist - Tenure Track Paul Scherrer Institut (PSI) More Science jobs from Materials EVENT International Conference on Diamond and Carbon Materials 2015 06.09.15 Homburg, Germany More science events from Review Top Photochemical transformations on plasmonic metal nanoparticles   pp567 - 576 Suljo Linic, Umar Aslam, Calvin Boerigter and Matthew Morabito doi:10.1038/nmat4281 Optically excited plasmonic nanoparticles can activate chemical reactions on their surfaces. The underlying physical mechanisms responsible for the chemical activity and advances in photocatalysis on plasmonic metallic nanostructures are discussed. Letters Top Spectroscopic evidence for negative electronic compressibility in a quasi-three-dimensional spin–orbit correlated metal   pp577 - 582 Junfeng He, T. Hogan, Thomas R. Mion, H. Hafiz, Y. He, J. D. Denlinger, S-K. Mo, C. Dhital, X. Chen, Qisen Lin, Y. Zhang, M. Hashimoto, H. Pan, D. H. Lu, M. Arita, K. Shimada, R. S. Markiewicz, Z. Wang, K. Kempa, M. J. Naughton, A. Bansil, S. D. Wilson & Rui-Hua He doi:10.1038/nmat4273 Electron filling causes a reduction of the chemical potential in (Sr1-x Lax)3Ir2O7, which suggests negative electronic compressibility. Studying the concomitant change of the bandgap provides insight into the physical mechanism behind this effect. Solid friction between soft filaments   pp583 - 588 Andrew Ward, Feodor Hilitski, Walter Schwenger, David Welch, A. W. C. Lau, Vincenzo Vitelli, L. Mahadevan & Zvonimir Dogic doi:10.1038/nmat4222 Soft filamentous bundles, including F-actin, microtubules or bacterial flagella, can experience large frictional forces that scale logarithmically with sliding velocity, and such frictional coupling can be tuned by modifying lateral interfilament interactions. Memoryless self-reinforcing directionality in endosomal active transport within living cells   pp589 - 593 Kejia Chen, Bo Wang and Steve Granick doi:10.1038/nmat4239 A general memoryless molecular mechanism explains the self-organization of Brownian-like steps into truncated Lévy walks in the classic system of intracellular trafficking. Articles Top In situ atomic-scale observation of twinning-dominated deformation in nanoscale body-centred cubic tungsten   pp594 - 600 Jiangwei Wang, Zhi Zeng, Christopher R. Weinberger, Ze Zhang, Ting Zhu & Scott X. Mao doi:10.1038/nmat4228 Little is known about the micromechanisms by which deformation twinning occurs in body-centred cubic crystals. An atomic-scale microscopy study now provides new insight, by the in situ testing of tungsten nanowires. Phonon-induced diamagnetic force and its effect on the lattice thermal conductivity   pp601 - 606 Hyungyu Jin, Oscar D. Restrepo, Nikolas Antolin, Stephen R. Boona, Wolfgang Windl, Roberto C. Myers & Joseph P. Heremans doi:10.1038/nmat4247 The thermal conductivity of diamagnetic InSb decreases as a magnetic field is increased at low temperatures and is attributed to local dynamic diamagnetism, bringing forth evidence of the magnetic response of phonons. Continuous control of the nonlinearity phase for harmonic generations   pp607 - 612 Guixin Li, Shumei Chen, Nitipat Pholchai, Bernhard Reineke, Polis Wing Han Wong, Edwin Yue Bun Pun, Kok Wai Cheah, Thomas Zentgraf & Shuang Zhang doi:10.1038/nmat4267 A concept for the phase control of the nonlinear susceptibility using the left- and right-circular polarization basis for fundamental and harmonic generated light is introduced and tested using metasurfaces containing plasmonic antennas. Single-layer ionic conduction on carboxyl-terminated silane monolayers patterned by constructive lithography   pp613 - 621 Jonathan Berson, Doron Burshtain, Assaf Zeira, Alexander Yoffe, Rivka Maoz & Jacob Sagiv doi:10.1038/nmat4254 Local oxidation of the methyl groups of self-assembled silane monolayers into carboxylic acid functional groups allows the realization of solid ion-conducting channels, on top of which single layers of metal ions can drift when a voltage is applied. Flexible n-type thermoelectric materials by organic intercalation of layered transition metal dichalcogenide TiS2   pp622 - 627 Chunlei Wan, Xiaokun Gu, Feng Dang, Tomohiro Itoh, Yifeng Wang, Hitoshi Sasaki, Mami Kondo, Kenji Koga, Kazuhisa Yabuki, G. Jeffrey Snyder, Ronggui Yang & Kunihito Koumoto doi:10.1038/nmat4251 A flexible n-type material has been developed with a thermoelectric figure of merit of 0.28 at 373 K via the intercalation of organic cations between titanium disulphide monolayers. Synthesis of ultrathin polymer insulating layers by initiated chemical vapour deposition for low-power soft electronics   pp628 - 635 Hanul Moon, Hyejeong Seong, Woo Cheol Shin, Won-Tae Park, Mincheol Kim, Seungwon Lee, Jae Hoon Bong, Yong-Young Noh, Byung Jin Cho, Seunghyup Yoo & Sung Gap Im doi:10.1038/nmat4237 Initiated chemical vapour deposition enables the conformal growth of ultrathin insulating polymer layers. These polymer films can be deposited on a broad range of materials used for organic and flexible electronics, including graphene. Lead halide perovskite nanowire lasers with low lasing thresholds and high quality factors   pp636 - 642 Haiming Zhu, Yongping Fu, Fei Meng, Xiaoxi Wu, Zizhou Gong, Qi Ding, Martin V. Gustafsson, M. Tuan Trinh, Song Jin & X-Y. Zhu doi:10.1038/nmat4271 A surface-initiated solution growth method is used to synthesize single-crystal nanowires of organic–inorganic perovskite that show very low lasing threshold. Coating the nanowires with metallic films marginally affects the lasing performance. See also: News and Views by Fu & Yang Size- and shape-dependent foreign body immune response to materials implanted in rodents and non-human primates   pp643 - 651 Omid Veiseh, Joshua C. Doloff, Minglin Ma, Arturo J. Vegas, Hok Hei Tam, Andrew R. Bader, Jie Li, Erin Langan, Jeffrey Wyckoff, Whitney S. Loo, Siddharth Jhunjhunwala, Alan Chiu, Sean Siebert, Katherine Tang, Jennifer Hollister-Lock, Stephanie Aresta-Dasilva, Matthew Bochenek, Joshua Mendoza-Elias, Yong Wang, Merigeng Qi, Danya M. Lavin, Michael Chen, Nimit Dholakia, Raj Thakrar, Igor Lacík, Gordon C. Weir, Jose Oberholzer, Dale L. Greiner, Robert Langer & Daniel G. Anderson doi:10.1038/nmat4290 Implanted spheres of a broad variety of material classes significantly abrogate foreign body reactions and fibrosis in rodent and non-human primates when the spheres are larger than 1.5 mm in diameter. See also: News and Views by Bank 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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