Dear Editor,Childhood Disintegrative Disorder（CDD）,also known as Heller’s syndrome and disintegrative psychosis,is a rare progressive neurological disorder,characterized by a late onset（[2 years of age）and regres...Dear Editor,Childhood Disintegrative Disorder（CDD）,also known as Heller’s syndrome and disintegrative psychosis,is a rare progressive neurological disorder,characterized by a late onset（[2 years of age）and regression of language,social展开更多
Perovskite solid solution ceramics of PZN–PT–BT with several compositions were synthesized by solid-state reaction method.X-ray diffraction results indicate pure perovskite structures for all samples.Dielectric meas...Perovskite solid solution ceramics of PZN–PT–BT with several compositions were synthesized by solid-state reaction method.X-ray diffraction results indicate pure perovskite structures for all samples.Dielectric measurements show that the implicit Ba(Zn_(1/3)Nb_(2/3))O_(3)(BZN)composition could broaden the diffusion phase transition(DPT)peaks and lower the ε_(max) and T_(max) values.The observed dielectric properties may be caused by the increased cation disorder due to the substitution of barium onto the A-site and titanium onto the B-site.展开更多
基金supported by the Chinese Academy of Sciences Strategic Priority Research Program,China(XDB02050400)the National Natural Science Foundation of China(91432111)the Shanghai Second Medical University-Institute of Neuroscience Research Center for Brain Disorders,China(2015NKX005)
文摘Dear Editor,Childhood Disintegrative Disorder（CDD）,also known as Heller’s syndrome and disintegrative psychosis,is a rare progressive neurological disorder,characterized by a late onset（[2 years of age）and regression of language,social
基金Natural Science Basis Research Plan in Shaanxi Province of China (Grant No.2015JM5199)Fundamental Research Funds for the Central Universities, the National Basic Research Program of China (973 Program) (Grant No. 2015CB654602)International Science and Technology Cooperation Program of China (Grant Nos. 2013DFR50470 and 2015DFA51100),the 111 Project under Grant No. B14040.
文摘Perovskite solid solution ceramics of PZN–PT–BT with several compositions were synthesized by solid-state reaction method.X-ray diffraction results indicate pure perovskite structures for all samples.Dielectric measurements show that the implicit Ba(Zn_(1/3)Nb_(2/3))O_(3)(BZN)composition could broaden the diffusion phase transition(DPT)peaks and lower the ε_(max) and T_(max) values.The observed dielectric properties may be caused by the increased cation disorder due to the substitution of barium onto the A-site and titanium onto the B-site.
