Positive temperature coefficient of resistivity in Pt/(Ba<sub>0.7</sub>Sr<sub>0.3</sub>)TiO<sub>3</sub>/YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7-x</sub> capacitors
Autores:Bairu Zhao, Xiaoli Dong, Li Zhao, Bin Chen, Lixin Cao, Bo Xu, Jun Miao, Xianggang Qiu, Hao Yang