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Mo nanowalls with high and stable field emission properties have been synthesized by a thermal vapor deposition method, and it shows strong immunity to the in situ oxidizing environment. After pure O2 exposure, the degradation of emission current was only 42.31% when the vacuum pressure increased from 2×10−6 Pa to 5×10−4 Pa. For those exposures over 1×10−3 Pa, the cathode's total recover was still...
We report that vertically aligned molybdenum (Mo) nanowalls can grow on various substrates by simple thermal vapor deposition. Individual nanowalls have a typical thickness of about 50 nm and very good conductivity with a typical average value of about 1.97 × 104 Ω−1 cm−1, i.e., only an order of magnitude less than the value of bulk Mo. The formation process is characterized in detail, and it is found...
Molybdenum nanowall arrays have been grown on varied substrates by thermal vapor deposition. Scanning electron microscopy, X-ray diffraction and transmission electron microscopy study show that nanowall has attractive structure features such as sharp edges, in-plane continuity of wall structure, large spacing of neighboring walls, and better adhesion. The field emission measurements from Mo nanowall...
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