Nature Materials contents: March 2016 Volume 15 Number 3 pp 245-364

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Advertisement AIMResearch - Highlighting research from the Advanced Institute for Materials Research (AIMR) in Japan, which promotes mathematics-materials science collaboration Latest highlight: Metallic glasses: 'Revolutionary' advance in MEMS In the spotlight: Bringing together 'best with best'  Register today for monthly email alerts!  TABLE OF CONTENTS March 2016 Volume 15, Issue 3 Editorial Commentary News and Views Progress Article Letters Articles Erratum Corrigendum Advertisement   Ready to see a glimpse of tomorrow? Visit KAUST Discovery today KAUST Discovery highlights the cutting-edge research, technologies and innovations emerging from the King Abdullah University of Science and Technology. From biotechnology, to solar, to materials and marine science: KAUST is working on it. discovery.kaust.edu.sa/en   Subscribe   Facebook   RSS   Recommend to library   Twitter   Advertisement Nature Energy - Now live! The first issue of Nature Energy is published and free to access online! Publishing monthly, this new journal is dedicated to exploring all aspects of energy, from its generation and storage, to its distribution and management, the needs and demands of the different actors, and the impacts that energy technologies and policies have on society. Ensure you stay up to date with future content by registering to receive the monthly e-alert.     Editorial Top Returning to the fold   p245 doi:10.1038/nmat4595 This month marks ten years since the general principles of DNA origami were established, a technique that changed the field of DNA nanotechnology and that promises new physical and biomedical applications. Commentary Top Toxicity of organometal halide perovskite solar cells   pp247 - 251 Aslihan Babayigit, Anitha Ethirajan, Marc Muller and Bert Conings doi:10.1038/nmat4572 In the last few years, the advent of metal halide perovskite solar cells has revolutionized the prospects of next-generation photovoltaics. As this technology is maturing at an exceptional rate, research on its environmental impact is becoming increasingly relevant. News and Views Top Spintronics: Chiral damping   pp253 - 254 Kyoung-Whan Kim and Hyun-Woo Lee doi:10.1038/nmat4565 Analysis of the magnetic domain-wall motion in a nanostructured magnetic system with strong spin–orbit coupling shows that the energy dissipation can be chiral when the inversion symmetry is broken. See also: Letter by Jué et al. Molecular thermopower: Feeling the squeeze   pp254 - 255 Gemma C. Solomon doi:10.1038/nmat4534 Optimizing the electronic functionality of a thermoelectric molecular junction depends on both the chemistry of the molecule and external environmental conditions. See also: Letter by Rincón-García et al. Nanoporous films: From conventional to conformal   pp255 - 257 Mark D. Allendorf and Vitalie Stavila doi:10.1038/nmat4527 Thin and continuous films of porous metal–organic frameworks can now be conformally deposited on various substrates using a vapour-phase synthesis approach that departs from conventional solution-based routes. See also: Article by Stassen et al. Arterial calcification: Conscripted by collagen   pp257 - 258 Jordan D. Miller doi:10.1038/nmat4587 In atherosclerotic plaques, patterns of calcification — which have profound implications for plaque stability and vulnerability to rupture — are determined by the collagen's content and patterning throughout the plaque. See also: Article by Hutcheson et al. Material Witness: The Roman melting pot   p259 Philip Ball doi:10.1038/nmat4584 Stem cell reprogramming: A 3D boost   pp259 - 261 Oscar J. Abilez and Joseph C. Wu doi:10.1038/nmat4583 Biophysical factors in an optimized three-dimensional microenvironment enhance the reprogramming efficiency of human somatic cells into pluripotent stem cells when compared to traditional cell-culture substrates. See also: Article by Caiazzo et al. Materials JOBS of the week Dean of the Division of Physical Sciences University of California San Diego Positions in Cryo-EM (Assistant Professor) National University of Singapore (NUS) Research Fellow Nanyang Technological University (NTU) Postdoctoral Fellows Los Alamos National Laboratory (LANL) Associate Laboratory Director, Physical Sciences Division TRIUMF - Canada's National Laboratory for Nuclear and Particle Physics More Science jobs from Materials EVENT More science events from Progress Article Top Electromagnetic toroidal excitations in matter and free space   pp263 - 271 N. Papasimakis, V. A. Fedotov, V. Savinov, T. A. Raybould and N. I. Zheludev doi:10.1038/nmat4563 A review on toroidal excitations, from static toroidal moments in condensed matter, to dynamic toroidal multipoles demonstrated experimentally with metamaterials. Letters Top Chiral damping of magnetic domain walls   pp272 - 277 Emilié Jue, C. K. Safeer, Marc Drouard, Alexandre Lopez, Paul Balint et al. doi:10.1038/nmat4518 Structural inversion asymmetry in magnetic materials leads to a dissipative chiral damping mechanism. This mechanism is evidenced in the field-driven domain-wall motion in perpendicularly magnetized asymmetric Pt/Co/Pt trilayers. See also: News and Views by Kim & Lee Tunable spin polarization and superconductivity in engineered oxide interfaces   pp278 - 283 D. Stornaiuolo, C. Cantoni, G. M. De Luca, R. Di Capua, E. Di. Gennaro et al. doi:10.1038/nmat4491 The insertion of a few unit-cell-thick EuTiO3 layers at the interface between LaAlO3 and SrTiO3 leads to the formation of an electric-field-tunable quasi-two-dimensional electron system where ferromagnetism and superconductivity coexist. Counting electrons on supported nanoparticles   pp284 - 288 Yaroslava Lykhach, Sergey M. Kozlov, Tomáš Skála, Andrii Tovt, Vitalii Stetsovych et al. doi:10.1038/nmat4500 The electronic interaction between deposited metal nanoparticles and their support material can influence their functionality. Here, a quantification of the charge transfer between platinum nanoparticles and a ceria support is presented. Molecular design and control of fullerene-based bi-thermoelectric materials   pp289 - 293 Laura Rincón-García, Ali K. Ismael, Charalambos Evangeli, Iain Grace, Gabino Rubio-Bollinger et al. doi:10.1038/nmat4487 The thermoelectric response of a fullerene–gold electrode single-molecule junction has been studied in a scanning tunnelling microscope. The junction exhibits positive and negative thermopower, dependent on molecule orientation and applied pressure. See also: News and Views by Solomon Fundamental limits of material toughening in molecularly confined polymers   pp294 - 298 Scott G. Isaacson, Krystelle Lionti, Willi Volksen, Teddie P. Magbitang, Yusuke Matsuda et al. doi:10.1038/nmat4475 In polymer-based nanocomposites the polymeric phase is often confined between stiff inorganic phases. The effect of this confinement on mechanical properties is assessed. Advertisement All content now free to access including archives! Nature Communications is an open access journal that publishes high-quality research from all areas of the natural sciences. Papers published by the journal represent important advances of significance to specialists within each subject area including chemistry. Visit the website to explore ALL the content available within your field.    Articles Top Metal–insulator transition in films of doped semiconductor nanocrystals   pp299 - 303 Ting Chen, K. V. Reich, Nicolaas J. Kramer, Han Fu, Uwe R. Kortshagen et al. doi:10.1038/nmat4486 The critical concentration of dopants required to trigger an insulator-to-metal transition in films of semiconductor nanocrystals has been calculated, and experimentally verified with highly doped silicon nanocrystal films. Chemical vapour deposition of zeolitic imidazolate framework thin films   pp304 - 310 Ivo Stassen, Mark Styles, Gianluca Grenci, Hans Van Gorp, Willem Vanderlinden et al. doi:10.1038/nmat4509 The authors show that thin films of microporous metal–organic frameworks can be deposited on a broad range of substrates and on high-aspect-ratio features by means of chemical vapour deposition. See also: News and Views by Allendorf & Stavila Thermodynamics of the hybrid interaction of hydrogen with palladium nanoparticles   pp311 - 317 Ronald Griessen, Nikolai Strohfeldt and Harald Giessen doi:10.1038/nmat4480 The absorption and desorption mechanism of hydrogen in palladium nanoparticles is complex. Based on thermodynamic considerations a mechanism consistent with an interfacial model different from bulk Pd behaviour is now proposed. Stress-stiffening-mediated stem-cell commitment switch in soft responsive hydrogels   pp318 - 325 Rajat K. Das, Veronika Gocheva, Roel Hammink, Omar F. Zouani and Alan E. Rowan doi:10.1038/nmat4483 The commitment and differentiation of human mesenchymal stem cells encapsulated in synthetic hydrogels that mimic the stiffness of adult-stem-cell niches can be switched by changing the hydrogel's onset of stress stiffening. Hydrogels with tunable stress relaxation regulate stem cell fate and activity   pp326 - 334 Ovijit Chaudhuri, Luo Gu, Darinka Klumpers, Max Darnell, Sidi A. Bencherif et al. doi:10.1038/nmat4489 Hydrogels with faster stress relaxation enhance the spreading, proliferation, and osteogenic differentiation of embedded mesenchymal stem cells. Genesis and growth of extracellular-vesicle-derived microcalcification in atherosclerotic plaques   pp335 - 343 Joshua D. Hutcheson, Claudia Goettsch, Sergio Bertazzo, Natalia Maldonado, Jessica L. Ruiz et al. doi:10.1038/nmat4519 The formation of atherosclerotic plaques involves the aggregation of calcifying extracellular vesicles and the formation of microcalcifications. See also: News and Views by Miller Defined three-dimensional microenvironments boost induction of pluripotency   pp344 - 352 Massimiliano Caiazzo, Yuya Okawa, Adrian Ranga, Alessandra Piersigilli, Yoji Tabata et al. doi:10.1038/nmat4536 The confinement imposed by the three-dimensional microenvironment promotes the induction of pluripotency in somatic cells through an accelerated mesenchymal-to-epithelial transition and increased epigenetic remodelling. See also: News and Views by Abilez & Wu Self-assembled RNA-triple-helix hydrogel scaffold for microRNA modulation in the tumour microenvironment   pp353 - 363 João Conde, Nuria Oliva, Mariana Atilano, Hyun Seok Song and Natalie Artzi doi:10.1038/nmat4497 Tissue-adhesive scaffolds made by the conjugation of RNA triple helices to dendrimers lead to ∼90% shrinkage of tumours two weeks after implantation in a triple-negative breast cancer mouse model. Erratum Top Erratum: The surface science of nanocrystals   p364 Michael A. Boles, Daishun Ling, Taeghwan Hyeon and Dmitri V. Talapin doi:10.1038/nmat4578 Corrigendum Top Corrigendum: Activating and optimizing MoS2 basal planes for hydrogen evolution through the formation of strained sulphur vacancies   p364 Hong Li, Charlie Tsai, Ai Leen Koh, Lili Cai, Alex W. Contryman et al. doi:10.1038/nmat4564 Top Advertisement NATURE CONFERENCE ON TISSUE ENGINEERING AND REGENERATIVE MEDICINE  Presented by: State Key Laboratory of Ophthalmology | Zhongshan Ophthalmic Center | Sun Yat-sen University Nature Materials | Nature Reviews Materials April 7—9, 2016 | Ocean Hotel, Guangzhou, China REGISTER NOW!   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. 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