Kim, Dong-Wan Kim, Byung-Kook Je, Hae-June Park, Jae-Gwan Kim, Jeong-Ryeol Hong, Kug Sun 2024-01-21T02:06:21Z 2024-01-21T02:06:21Z 2021-09-01 2006-10 0002-7820 https://pubs.kist.re.kr/handle/201004/135072 We developed multilayer ceramic capacitors (MLCCs) of the type negative-positive zero (NP0) cofired with Cu inner electrodes using novel low-loss barium niobates. The excellent dielectric properties of ceramics and compatibility between electrodes and dielectrics under a reducing atmosphere led to low loss character in the Cu-MLCCs, even in the high-frequency single-layer capacitors. We also examine the atmospheric dependence on dielectric loss of barium niobates. The origin of degradation in dielectric loss under a highly reducing atmosphere is explained by the association of two loss mechanisms: the oxygen vacancies in NbO6 octahedra and the subsequent formation of a reduced second phase: Ba3Nb4+Nb45+O15. English WILEY MULTILAYER CERAMIC CAPACITORS TEMPERATURE BA5NB4O15 TITANATE Degradation mechanism of dielectric loss in barium niobate under a reducing atmosphere Article 10.1111/j.1551-2916.2006.01223.x 1 JOURNAL OF THE AMERICAN CERAMIC SOCIETY, v.89, no.10, pp.3302 - 3304 JOURNAL OF THE AMERICAN CERAMIC SOCIETY 89 10 3302 3304 scie scopus 000240661400051 2-s2.0-33748934208 Materials Science, Ceramics Materials Science Article MULTILAYER CERAMIC CAPACITORS TEMPERATURE BA5NB4O15 TITANATE