Advanced Materials

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Recently Published Articles

  1. Wearable Magnetic Field Sensors for Flexible Electronics

    Michael Melzer, Jens Ingolf Mönch, Denys Makarov, Yevhen Zabila, Gilbert Santiago Cañón Bermúdez, Daniil Karnaushenko, Stefan Baunack, Falk Bahr, Chenglin Yan, Martin Kaltenbrunner and Oliver G. Schmidt

    Article first published online: 18 DEC 2014 | DOI: 10.1002/adma.201405027

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    Highly flexible bismuth Hall sensors on polymeric foils are fabricated, and key optimization steps that are required to boost their sensitivity to the bulk value are identified. The sensor can be bent around the wrist or positioned on the finger to realize an interactive pointing device for wearable electronics. Furthermore, this technology is of great interest for the rapidly developing market of ­eMobility, for optimization of eMotors and magnetic bearings.

  2. Orderly Packed Anodes for High-Power Lithium-Ion Batteries with Super-Long Cycle Life: Rational Design of MnCO3/Large-Area Graphene Composites

    Yiren Zhong, Mei Yang, Xianlong Zhou, Yuting Luo, Jinping Wei and Zhen Zhou

    Article first published online: 18 DEC 2014 | DOI: 10.1002/adma.201404611

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    MnCO3 particles uniformly distributed on large-area graphene form 2D composites whose large-area character enables them to self-assemble face-to-face into orderly packed electrodes. Such regular structures form continuous and efficient transport networks, leading to outstanding lithium storage with high capacity, ultralong cycle life, and excellent rate capability — all characteristics that are required for high-power lithium-ion batteries.

  3. Seamless Stitching of Graphene Domains on Polished Copper (111) Foil

    Van Luan Nguyen, Bong Gyu Shin, Dinh Loc Duong, Sung Tae Kim, David Perello, Young Jin Lim, Qing Hong Yuan, Feng Ding, Hu Young Jeong, Hyeon Suk Shin, Seung Mi Lee, Sang Hoon Chae, Quoc An Vu, Seung Hee Lee and Young Hee Lee

    Article first published online: 18 DEC 2014 | DOI: 10.1002/adma.201404541

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    Seamless stitching of graphene domains on polished copper (111) is proved clearly not only at atomic scale by scanning tunnelling microscopy (STM) and transmission electron micoscopy (TEM), but also at the macroscale by optical microscopy after UV-treatment. Using this concept of seamless stitching, we are able to synthesis 6 cm × 3 cm monocrystalline graphene without grain boundaries on polished copper (111) foil, which is only limited by the chamber size.

  4. A Novel, Layered Phase in Ti-Rich SrTiO3 Epitaxial Thin Films

    Sungki Lee, Anoop R. Damodaran, Prashun Gorai, Nuri Oh, Jarrett A. Moyer, Ji-Hwan Kwon, Naheed Ferdous, Amish Shah, Zuhuang Chen, Eric Breckenfeld, R. V. K. Mangalam, Paul V. Braun, Peter Schiffer, Moonsub Shim, Jian-Min Zuo, Elif Ertekin and Lane W. Martin

    Article first published online: 18 DEC 2014 | DOI: 10.1002/adma.201403602

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    Sr2Ti7O14, a new phase, is synthesized by leveraging the innate chemical and thermo­dynamic instabilities in the SrTiO3–TiO2 system and non-equilibrium growth techniques. The chemical composition, epitaxial relationships, and orientation play roles in the formation of this novel layered phase that, in turn, possesses unusual charge ordering, anti-ferromagnetic ordering, and low, glass-like thermal conductivity.

  5. Self-Assembly of Functional Molecules into 1D Crystalline Nanostructures

    Yanbing Guo, Liang Xu, Huibiao Liu, Yongjun Li, Chi-Ming Che and Yuliang Li

    Article first published online: 18 DEC 2014 | DOI: 10.1002/adma.201403846

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    The recent progress in self-assembled 1D crystalline nanostructures of functional molecules is discussed, with both small molecule-based crystalline nanostructures and functional polymer self-assembled 1D nanostructures. The molecular building blocks, the self-assembled structures, and the applications in optical, electrical, and photoelectrical devices are overviewed and a brief outlook on crucial issues that need to be addressed in future research endeavors is given.