<P>The remarkable electronic and mechanical properties of nanowires have great potential for fascinating applications; however, the difficulties of assembling ordered arrays of aligned nanowires over large areas prevent their integration into ma...
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https://www.riss.kr/link?id=A107442665
2019
-
SCI,SCIE,SCOPUS
학술저널
4306-4313(8쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P>The remarkable electronic and mechanical properties of nanowires have great potential for fascinating applications; however, the difficulties of assembling ordered arrays of aligned nanowires over large areas prevent their integration into ma...
<P>The remarkable electronic and mechanical properties of nanowires have great potential for fascinating applications; however, the difficulties of assembling ordered arrays of aligned nanowires over large areas prevent their integration into many practical devices. In this paper, we show that aligned VO<SUB>2</SUB> nanowires form spontaneously after heating a thin V<SUB>2</SUB>O<SUB>5</SUB> film on a grooved SiO<SUB>2</SUB> surface. Nanowires grow after complete dewetting of the film, after which there is the formation of supercooled nanodroplets and subsequent Ostwald ripening and coalescence. We investigate the growth mechanism using molecular dynamics simulations of spherical Lennard-Jones particles, and the simulations help explain how the grooved surface produces aligned nanowires. Using this simple synthesis approach, we produce self-aligned, millimeter-long nanowire arrays with uniform metal-insulator transition properties; after their transfer to a polymer substrate, the nanowires act as a highly sensitive array of strain sensors with a very fast response time of several tens of milliseconds.</P>
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Double-Spiral Hexagonal Boron Nitride and Shear Strained Coalescence Boundary