期刊
JOURNAL OF MATERIALS CHEMISTRY C
卷 2, 期 33, 页码 6790-6795出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4tc00500g
关键词
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资金
- Australian Research Council
- National Natural Science Foundation of China [51002087, 51172129]
- Natural Science Foundation of Shandong Province [ZR2013EMM018, ZR2013EMM014]
High-performance dielectric materials continue to arouse considerable interest due to their application in the field of solid state capacitors. In, Nb co-doped TiO2 thin films with the composition of (In0.5Nb0.5)(x)Ti1-xO2 (x = 0.10) were fabricated on a Pt substrate by pulsed laser ablation at room temperature. In addition to their colossal permittivity (epsilon(r) > 4000), they exhibit correspondingly a low dielectric loss (about 5.5%) and high frequency-stability (up to 10 MHz), making the film suitable for myriad device miniaturization and high-energy-density storage applications. The preparation of this amorphous CP TiO2 film at room temperature possesses great significance in microelectronic packaging not only because the CP film can be prepared on any kind of substrate including plastic or paper but also because the low temperature can protect the preparation of microelectronic devices. The procedure without annealing is simple and easy to operate, which will raise the efficiency and reduce the production cost in the semiconductor industry. As remarked above, In, Nb co-doped amorphous TiO2 films with colossal permittivity would be a highly attractive proposition.
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