{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,2]],"date-time":"2025-11-02T19:51:25Z","timestamp":1762113085649,"version":"3.41.2"},"reference-count":20,"publisher":"AIP Publishing","issue":"2","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2008,1,14]]},"abstract":"<jats:p>We report the fabrication of patterned nanocrystalline diamond (NCD) submicrometer-tip arrays. This includes synthesis of silica (a-SiO2) templates by conventional vapor-liquid-solid method and conformal coating of the a-SiO2 nanowires with 5\u201310nm sized nanodiamond grains by microwave plasma chemical vapor deposition. Detailed structural investigations were carried out by high resolution transmission electron microscopy. Electron field emission of nanodiamond emitter arrays was observed with a threshold field of 5.5V\u2215\u03bcm. A high emission current density of 10mAcm\u22122 at 11V\u2215\u03bcm has been obtained. This value is comparable to those of high quality NCD films deposited on silicon substrates.<\/jats:p>","DOI":"10.1063\/1.2835905","type":"journal-article","created":{"date-parts":[[2008,1,19]],"date-time":"2008-01-19T23:27:03Z","timestamp":1200785223000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":26,"title":["Electron field emission from patterned nanocrystalline diamond coated a-SiO2 micrometer-tip arrays"],"prefix":"10.1063","volume":"92","author":[{"given":"J. C.","family":"Madaleno","sequence":"first","affiliation":[{"name":"Universidade de Aveiro Center for Mechanical Technology and Automation, , Campus de Santiago, 3810-193 Aveiro, Portugal"}]},{"given":"M. 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