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Recently Published Articles

  1. Robust Free-Standing Nano-Thin SiC Membranes Enable Direct Photolithography for MEMS Sensing Applications

    Hoang-Phuong Phan, Tuan-Khoa Nguyen, Toan Dinh, Alan Iacopi, Leonie Hold, Muhammad J. A. Shiddiky, Dzung Viet Dao and Nam-Trung Nguyen

    Version of Record online: 15 DEC 2017 | DOI: 10.1002/adem.201700858

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    Utilizing the superior robustness in SiC, this work develops a fabrication process which applies photolithography directly on free-standing sub-100 nm membranes to form a variety of MEMS structures. This technique eliminates the sticking and under-etch effects and enables metallization on suspended SiC membranes for self-sensing applications.

  2. Modulation of Agglomeration of Vertical Porous Silicon Nanowires and the Effect on Gas-Sensing Response

    Yuxiang Qin, Yunqing Jiang and Liming Zhao

    Version of Record online: 14 DEC 2017 | DOI: 10.1002/adem.201700893

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    Bundling and well separating porous silicon nanowires (PSiNWs) arrays are, respectively, fabricated based on the effective modulation of surface wettability of initial Si substrate. The PSiNWs array featured by tip-clusters is demonstrated as a highly effective configuration for gas-sensing application; highly sensitive and rapid response to NO2 gas is achieved at room temperature.

  3. Preparations, Characteristics and Applications of the Functional Liquid Metal Materials

    Qian Wang, Yang Yu and Jing Liu

    Version of Record online: 13 DEC 2017 | DOI: 10.1002/adem.201700781

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    The low melting point liquid metals have recently been disclosed with many outstanding unconventional properties superior to traditional materials. This article comprehensively reviews and summarizes the most typical fabrication methods, unique characteristics, and important applications of such functional materials. The future outlook in this field, including challenges, developing routes, and related efforts has also been illustrated and interpreted.

  4. Composition Dependence on the Evolution of Nanoeutectic in CoCrFeNiNbx (0.45 ≤ x ≤ 0.65) High Entropy Alloys

    Barnasree Chanda and Jayanta Das

    Version of Record online: 13 DEC 2017 | DOI: 10.1002/adem.201700908

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    The microstructure of CoCrFeNiNbx (0.45 ≤ x ≤ 0.65) high entropy alloys contain proeutectic dendrites along with nanolamellar γ-Ni and Laves phases, which show high yield strength of 2060 MPa and large plasticity of 17% due to the movement of dislocations. The stability of the phases has been assessed using thermodynamic parameter, atomic size parameter, valance electron concentration, and electronegativity parameters.

  5. Utilizing Low-Cost Eggshell Particles to Enhance the Mechanical Response of Mg–2.5Zn Magnesium Alloy Matrix

    Gururaj Parande, Vyasaraj Manakari, Sripathi Dev Sharma Kopparthy and Manoj Gupta

    Version of Record online: 13 DEC 2017 | DOI: 10.1002/adem.201700919

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    This work investigates the influence of low-cost reinforcement (eggshell) on the microstructural, mechanical and damping enhancement of Mg–Zn alloy using low-cost synthesis methodology (powder metallurgy technique). Mg–Zn–eggshell composites display superior property enhancement better than most commercially available Mg alloys and are a potential replacement material in several engineering and biomedical applications.