Kweon, Sang-Hyo Im, Mir Lee, Woong-Hee Nahm, Sahn Choi, Ji-Won Hwang, Seong-Ju 2024-01-20T04:33:08Z 2024-01-20T04:33:08Z 2021-09-03 2016-04 2050-7526 https://pubs.kist.re.kr/handle/201004/124254 Ca2Nb3O10- (CNO-) nanosheets exfoliated from a KCa2Nb3O10 ceramic were deposited on a Pt/Ti/SiO2/Si substrate at room temperature (RT) using the electrophoresis method, and subsequently annealed at various temperatures to remove organic defects. The inter-planar distance of the (001) plane of the CNO film deposited at RT was large (1.68 nm). This distance gradually decreased to 1.44 nm when the annealing temperature was increased to 600 degrees C due to the removal of organic defects. For CNO films annealed at temperatures higher than 600 degrees C, a CaNb2O6 secondary phase was formed, indicating that annealing should be conducted at 600 degrees C to obtain a homogeneous CNO film. Moreover, the CNO film annealed at 600 degrees C showed a large epsilon(r) value of 65 with a low tan delta of 0.01 at 1.0 MHz. This film also exhibited a high breakdown electric field of 0.43 MV cm(-1) and a very low leakage current density of 3 x 10(-8) A cm(-2) at 0.4 MV cm(-1). English ROYAL SOC CHEMISTRY HIGH-KAPPA RESPONSE THIN-FILMS DIELECTRIC-PROPERTIES TITANIA NANOSHEETS PEROVSKITE NANOSHEETS OXIDE CAPACITORS MONOLAYERS CONSTANT ROUTE Electrophoretic deposition of Ca2Nb3O10- nanosheets synthesized by soft-chemical exfoliation Article 10.1039/c5tc03815d 1 JOURNAL OF MATERIALS CHEMISTRY C, v.4, no.1, pp.178 - 184 JOURNAL OF MATERIALS CHEMISTRY C 4 1 178 184 scie scopus 000366912500021 2-s2.0-84951168880 Materials Science, Multidisciplinary Physics, Applied Materials Science Physics Article HIGH-KAPPA RESPONSE THIN-FILMS DIELECTRIC-PROPERTIES TITANIA NANOSHEETS PEROVSKITE NANOSHEETS OXIDE CAPACITORS MONOLAYERS CONSTANT ROUTE