High hole mobility of a semi-conductive alumina/nano-carbon ceramic composite fabricated by gel-casting and reductive sintering. Issue 4 (April 2019)

• Record Type: Journal Article
• Authors: Xin, Yunzi; Kumazawa, Tomoshi; Fuji, Masayoshi; Shirai, Takashi
• Is Part Of: Journal of the European Ceramic Society. Volume 39:Issue 4(2019)
• Page Start: 1730
• Page End: 1734
• Publication Date: 2019-04
• Subjects: High hole mobility -- Semi-conductive -- Ceramic composite -- Gel-casting -- Reductive sintering; Ceramic materials -- Periodicals; Composite materials -- Periodicals; Matériaux céramiques -- Périodiques; Composites -- Périodiques; Ceramic materials; Composite materials; Periodicals; Electronic journals; 666.05
• DOI: 10.1016/j.jeurceramsoc.2018.11.010
• Languages: English
• ISSNs: 0955-2219

Abstract

Abstract: Semi-conductive alumina/nano-carbon ceramic composite with high hole mobility is fabricated by gel-casting and reductive sintering. The hole mobility observed in the fabricated composite is 80-fold higher than the previously reported alumina/graphene composite. Such superior semi-conductive performance of the alumina/nano-carbon composite can be attributed to the homogenous electrically conductive path induced by nano-carbon with well-controlled graphite structure formed during fabrication process. In addition, the influence of sintering temperature on the structure of nano-carbon as well as its relation to the semi-conductive properties of composite are systemically investigated.