MRS Communications
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2019 • Volume 9, Issue 1
PROSPECTIVES A perspective on bio-inspired interfacial systems for solar clean-water generation Rui Feng, Yiming Qiao, and Chengyi Song, Shanghai Jiao Tong University, China
With rapid growth of human population and decreasing labefaction of our environment, the usable fresh water is facing severe pollution and global shortage. Bio-inspired engineering and biotemplate-directed engineering thus offer great promise in clean water generation, including desalination, decontamination, and disinfection. This Prospective begins with an introduction of solar energybased interfacial evaporation system inspired by the natural systems of organisms, and then provides a review of the development and recent progress of the interfacial evaporation system for clean water generation. The long-term outlook in this field of clean water generation using bio-inspired interfacial systems is also discussed. DOI:10.1557/mrc.2019.17
Nanoscale magnetization reversal by electric field-induced ion migration Qilai Chen, Chinese Academy of Sciences, and Xiangtan University, China; Gang Liu, Shuang Gao, Xiaohui Yi, and Wuhong Xue, Chinese Academy of Sciences, China; Minghua Tang and Xuejun Zheng, Xiangtan University, China; and RunWei Li, Chinese Academy of Sciences, China
Nanoscale magnetization modulation by electric field enables the construction of low-power spintronic devices for information storage applications. Electric field-induced ion migration can introduce desired changes in the material’s stoichiometry, defect profile, and lattice structure, which, in turn, provides a versatile and convenient means to modify the materials’ chemical-physical properties at the nanoscale and in situ. In this review, we provide a brief overview on the recent study on nanoscale magnetization modulation driven by electric field-induced migration of ionic species either within the switching material or from external sources. The formation of magnetic conductive filaments that exhibit magnetoresistance behaviors in
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resistive switching memory via foreign metal ion migration and redox activities is also discussed. Combining the magnetoresistance and quantized conductance switching of the magnetic nanopoint contact structure may provide a future high-performance device for non von Neumann computing architectures. DOI:10.1557/mrc.2018.191
Graphene nanohybrids for enhanced catalytic activity and large surface area Sabeen Fatima, National University of Sciences & Technology, Pakistan; S. Irfan Ali, Shenzhen University, China; Daniyal Younas, National University of Sciences & Technology, Pakistan; Amjad Islam, Fujian Agriculture and Forestry University, China; Deji Akinwande, The University of Texas at Austin, USA; and Syed Rizwan, National University of Sciences & Technology, Pakistan
Nanohybrids containing graphene and bismuth ferrite have been actively employed as efficient photo-catalysts these days owing to the low rate of charge carrier’s (e–– h+) recombination, moderate surface area with a suitable range
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