Nature Materials contents: May 2017 Volume 16 Number 5 pp 499 - 597

If you are unable to see the message below, click here to view.

Advertisement npj 2D Materials and Applications is an online-only, open access journal that aims to become a top-tier interdisciplinary platform for scientists to share research on 2D materials and their applications. Part of the Nature Partner Journals series, npj 2D Materials and Applications is published in partnership with FCT NOVA, Lisbon, with the support of the European Materials Research Society (E-MRS). The journal is now open for submissions. Find out more >> TABLE OF CONTENTS May 2017 Volume 16, Issue 5 Editorial News and Views Perspective Letters Articles Erratum Subscribe   Facebook   RSS   Recommend to library   Twitter   Editorial Top A molecular jigsaw puzzle   p499 doi:10.1038/nmat4903 Convergent efforts of researchers from different fields aim to control spin transport in molecules and develop nanoscale spintronic devices with improved performance or new functionalities. News and Views Top White light-emitting diodes: Stabilizing colour and intensity   pp500 - 501 Philippe F. Smet and Jonas J. Joos doi:10.1038/nmat4901 Thermally activated defects in a blue-emitting phosphor can enhance energy transfer to the activator, and compensate for thermal quenching. See also: Article by Kim et al. Porous materials: Look but don't touch   pp501 - 502 Ben Slater and Sanliang Ling doi:10.1038/nmat4895 By combining an electron-counting camera with low-energy transmission electron microscopy, it is possible to directly image the surface structure of delicate metal–organic framework crystals and their coherent interfaces. See also: Letter by Zhu et al. Material witness: Is this holy relic preserved?   p503 Philip Ball doi:10.1038/nmat4897 Organic photovoltaics: Pushing the knowledge of interfaces   pp503 - 505 Natalie Banerji doi:10.1038/nmat4871 The use of a spectroscopy technique called pump–push–probe electro-absorption provides insight into the energetic landscape of nanostructured donor–acceptor interfaces in bulk-heterojunction organic solar cells. See also: Article by Jakowetz et al. Spintronics: The molecular way   pp505 - 506 Andrea Cornia and Pierre Seneor doi:10.1038/nmat4900 Molecular spintronics is an interdisciplinary field at the interface between organic spintronics, molecular magnetism, molecular electronics and quantum computing, which is advancing fast and promises large technological payoffs. Nature Materials JOBS of the week Tenure-Track Faculty Position in Biomaterials and Related Areas Materials Science and Engineering, McMaster University McMaster University Chair Professor / Professor of Materials Science, DEPARTMENT OF APPLIED PHYSICS The Hong Kong Polytechnic University (PolyU) Faculty Positions in Materials Science and Engineering Southern University of Science and Technology (SUSTech) Postdoctoral position on Integrated Fluorescence - Electron Microscopy KU Leuven PhD in Photonics at the Optoelectronics Research Centre University of Southampton More Science jobs from Nature Materials EVENT Asia Pacific Society for Materials Research 2017 Annual Meeting (APSMR 2017 Annual Meeting) 27.07.17 Hokkaido, Japan More science events from Perspective Top Activating the molecular spinterface   pp507 - 515 Mirko Cinchetti, V. Alek Dediu and Luis E. Hueso doi:10.1038/nmat4902 This Perspective discusses the spin-dependent properties emerging at the interfaces of molecular and inorganic materials, and describes possible future developments for spin-based technologies. Letters Top A magnetic heterostructure of topological insulators as a candidate for an axion insulator   pp516 - 521 M. Mogi, M. Kawamura, R. Yoshimi, A. Tsukazaki, Y. Kozuka, N. Shirakawa, K. S. Takahashi, M. Kawasaki and Y. Tokura doi:10.1038/nmat4855 An engineered topological insulator-based heterostructure is reported to show transport properties consistent with the realization of an axion insulator. Graded bandgap perovskite solar cells   pp522 - 525 Onur Ergen, S. Matt Gilbert, Thang Pham, Sally J. Turner, Mark Tian Zhi Tan, Marcus A. Worsley and Alex Zettl doi:10.1038/nmat4795 The use of monolayers of hexagonal boron nitride as the cationic diffusion barrier and graphene aerogel mixed with spiro-OMeTAD as the hole transport layer allows the fabrication of graded bandgap perovskite solar cells with high efficiency. Selective nitrogen capture by porous hybrid materials containing accessible transition metal ion sites   pp526 - 531 Ji Woong Yoon, Hyunju Chang, Seung-Joon Lee, Young Kyu Hwang, Do-Young Hong, Su-Kyung Lee, Ji Sun Lee, Seunghun Jang, Tae-Ung Yoon, Kijeong Kwac, Yousung Jung, Renjith S. Pillai, Florian Faucher, Alexandre Vimont, Marco Daturi, Gérard Férey, Christian Serre, Guillaume Maurin, Youn-Sang Bae and Jong-San Chang doi:10.1038/nmat4825 Mesoporous metal–organic frameworks containing unsaturated Cr(III) sites are able to thermodynamically and selectively capture nitrogen from mixtures with oxygen and methane. Unravelling surface and interfacial structures of a metal–organic framework by transmission electron microscopy   pp532 - 536 Yihan Zhu, Jim Ciston, Bin Zheng, Xiaohe Miao, Cory Czarnik, Yichang Pan, Rachid Sougrat, Zhiping Lai, Chia-En Hsiung, Kexin Yao, Ingo Pinnau, Ming Pan and Yu Han doi:10.1038/nmat4852 The operational conditions used for electron microscopy can limit the insight that can be gained from fragile material samples. It is shown here how high-resolution TEM analysis of delicate MOFs can be achieved. See also: News and Views by Slater & Ling Distance-dependent magnetic resonance tuning as a versatile MRI sensing platform for biological targets   pp537 - 542 Jin-sil Choi, Soojin Kim, Dongwon Yoo, Tae-Hyun Shin, Hoyoung Kim, Muller D. Gomes, Sun Hee Kim, Alexander Pines and Jinwoo Cheon doi:10.1038/nmat4846 By pairing a paramagnetic enhancer with a superparamagnetic quencher, their distance-dependent interaction can be applied to image biological processes using MRI. Articles Top A zero-thermal-quenching phosphor   pp543 - 550 Yoon Hwa Kim, Paulraj Arunkumar, Bo Young Kim, Sanjith Unithrattil, Eden Kim, Su-Hyun Moon, Jae Young Hyun, Ki Hyun Kim, Donghwa Lee, Jong-Sook Lee and Won Bin Im doi:10.1038/nmat4843 A blue-emitting phosphor without thermal quenching is reported. The emission losses at high temperatures are compensated by a counter mechanism, originating in energy transfer between electron–hole pairs and thermally activated defect levels. See also: News and Views by Smet & Joos Visualizing excitations at buried heterojunctions in organic semiconductor blends   pp551 - 557 Andreas C. Jakowetz, Marcus L. Böhm, Aditya Sadhanala, Sven Huettner, Akshay Rao and Richard H. Friend doi:10.1038/nmat4865 A pump–push–probe time-resolved technique is developed to characterize the dynamics of photoexcitations at buried, disordered interfaces. Applied to organic bulk heterojunctions, the method provides insight on charge separation in photovoltaic films. See also: News and Views by Banerji Dynamic restructuring drives catalytic activity on nanoporous gold-silver alloy catalysts   pp558 - 564 Branko Zugic, Lucun Wang, Christian Heine, Dmitri N. Zakharov, Barbara A. J. Lechner, Eric A. Stach, Juergen Biener, Miquel Salmeron, Robert J. Madix and Cynthia M. Friend doi:10.1038/nmat4824 Dynamic restructuring behaviour and composition changes in bimetallic and nanoporous gold–silver alloys correlate to catalytic activity. Three-dimensional imaging of dislocation dynamics during the hydriding phase transformation   pp565 - 571 A. Ulvestad, M. J. Welland, W. Cha, Y. Liu, J. W. Kim, R. Harder, E. Maxey, J. N. Clark, M. J. Highland, H. You, P. Zapol, S. O. Hruszkewycz and G. B. Stephenson doi:10.1038/nmat4842 Coherent diffractive imaging during hydriding of palladium nanocrystals reveals that phase nucleation begins after dislocation nucleation at the phase boundary for large particles. The hydrogen-rich phase resembles a spherical cap. Negating interfacial impedance in garnet-based solid-state Li metal batteries   pp572 - 579 Xiaogang Han, Yunhui Gong, Kun (Kelvin) Fu, Xingfeng He, Gregory T. Hitz, Jiaqi Dai, Alex Pearse, Boyang Liu, Howard Wang, Gary Rubloff, Yifei Mo, Venkataraman Thangadurai, Eric D. Wachsman and Liangbing Hu doi:10.1038/nmat4821 Garnet-type electrolytes are attractive for lithium metal batteries due to their high ionic conductivity. A strategy to decrease interfacial impedance between a lithium metal anode and garnet electrolyte is found promising for all-solid-state batteries. Evidence for anionic redox activity in a tridimensional-ordered Li-rich positive electrode β-Li2IrO3   pp580 - 586 Paul E. Pearce, Arnaud J. Perez, Gwenaelle Rousse, Mathieu Saubanère, Dmitry Batuk, Dominique Foix, Eric McCalla, Artem M. Abakumov, Gustaaf Van Tendeloo, Marie-Liesse Doublet and Jean-Marie Tarascon doi:10.1038/nmat4864 For high-capacity electrodes with anionic redox, the importance of structural dimensionality has not been elucidated. The possibility of triggering anionic redox activity in a tridimensional-ordered Li-rich positive electrode is now demonstrated. Endocytic reawakening of motility in jammed epithelia   pp587 - 596 Chiara Malinverno, Salvatore Corallino, Fabio Giavazzi, Martin Bergert, Qingsen Li, Marco Leoni, Andrea Disanza, Emanuela Frittoli, Amanda Oldani, Emanuele Martini, Tobias Lendenmann, Gianluca Deflorian, Galina V. Beznoussenko, Dimos Poulikakos, Kok Haur Ong, Marina Uroz, Xavier Trepat, Dario Parazzoli, Paolo Maiuri, Weimiao Yu, Aldo Ferrari, Roberto Cerbino and Giorgio Scita doi:10.1038/nmat4848 Increased cellular expression of RAB5A, an important regulator of endocytic processes, brings epithelial cells from a jammed state to coordinated motion, and can facilitate wound closure, gastrulation and migration in constrained environments. Erratum Top Erratum: Generation of subnanometric platinum with high stability during transformation of a 2D zeolite into 3D   p597 Lichen Liu, Urbano Díaz, Raul Arenal, Giovanni Agostini, Patricia Concepción and Avelino Corma doi:10.1038/nmat4894 See also: Article by Liu et al. 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

You have been sent this Table of Contents Alert because you have opted in to receive it. You can change or discontinue your e-mail alerts at any time, by modifying your preferences on your nature.com account at: www.nature.com/myaccount (You will need to log in to be recognised as a nature.com registrant) For further technical assistance, please contact our registration department For print subscription enquiries, please contact our subscription department For other enquiries, please contact our customer feedback department Nature Publishing Group | One New York Plaza, Suite 4500 | New York | NY 10004-1562 | USA Nature Publishing Group's worldwide offices: London - Paris - Munich - New Delhi - Tokyo - Melbourne San Diego - San Francisco - Washington - New York - Boston Macmillan Publishers Limited is a company incorporated in England and Wales under company number 785998 and whose registered office is located at The Campus, 4 Crinan Street, London, N1 9XW. © 2017 Nature Publishing Group, a division of Macmillan Publishers Limited. All Rights Reserved.