Development and application of ferrite materials for low temperature co-fired ceramic （LTCC） technology are dis- cussed, specifically addressing several typical ferrite materials such as M-type barium ferrite, NiCuZ...Development and application of ferrite materials for low temperature co-fired ceramic （LTCC） technology are dis- cussed, specifically addressing several typical ferrite materials such as M-type barium ferrite, NiCuZn ferrite, YIG ferrite, and lithium ferrite. In order to permit co-firing with a silver internal electrode in LTCC process, the sintering temperature of ferrite materials should be less than 950 ℃. These ferrite materials are research focuses and are applied in many ways in electronics.展开更多
In this work,Li_(2)O_(3)was added into 0.7BiFeO_(3)-0.3BaZr_(0.02)Ti_(0.98)O_(3)-0.01molMnO_(2)(70BFBTMn)piezoelectric ceramics to reduce their sintering temperatures.70BFBTMn ceramics were sintered by a conventional ...In this work,Li_(2)O_(3)was added into 0.7BiFeO_(3)-0.3BaZr_(0.02)Ti_(0.98)O_(3)-0.01molMnO_(2)(70BFBTMn)piezoelectric ceramics to reduce their sintering temperatures.70BFBTMn ceramics were sintered by a conventional solid reaction method,and their structural,dielectric,piezoelectric and ferroelectric properties were studied.These results indicate that 0.5%(mole)Li_(2)O_(3)is the optimized content and it can reduce the sintering temperature by 100°C,making the possibility of the piezoelectric ceramics cofiring with Ag electrodes at low temperatures to manufacture multilayer piezoelectric actuators.展开更多
基金Project supported by the National Basic Research Program of China(Grant No.2012CB933100)the National Natural Science Foundation of China(Grant Nos.51132003,61021061,and 61171047)the Second Item of Strongpoint Industry of Guangdong Province,China(Grant No.2012A090100001)
文摘Development and application of ferrite materials for low temperature co-fired ceramic （LTCC） technology are dis- cussed, specifically addressing several typical ferrite materials such as M-type barium ferrite, NiCuZn ferrite, YIG ferrite, and lithium ferrite. In order to permit co-firing with a silver internal electrode in LTCC process, the sintering temperature of ferrite materials should be less than 950 ℃. These ferrite materials are research focuses and are applied in many ways in electronics.
基金supported by the National Natural Science Foundation of China(Grant Nos.11704242,51872180 and 51672169)the Natural Science Foundation of Shanghai,China(Grant Nos.17ZR1447200 and 18ZR1414800).
文摘In this work,Li_(2)O_(3)was added into 0.7BiFeO_(3)-0.3BaZr_(0.02)Ti_(0.98)O_(3)-0.01molMnO_(2)(70BFBTMn)piezoelectric ceramics to reduce their sintering temperatures.70BFBTMn ceramics were sintered by a conventional solid reaction method,and their structural,dielectric,piezoelectric and ferroelectric properties were studied.These results indicate that 0.5%(mole)Li_(2)O_(3)is the optimized content and it can reduce the sintering temperature by 100°C,making the possibility of the piezoelectric ceramics cofiring with Ag electrodes at low temperatures to manufacture multilayer piezoelectric actuators.
