LIU M L.ZHOU H L,CHEN Y R.Room temperature solidsolid reaction preparation of iron boron alloy nanoparticles and Mossbauer spectra[J].Materials Chemistry and Physicst 2005,89:289-294.
JUNGHEE C,KUNICHI M,MAKOTO K.Influnence of Hydrolysis Water Content on The Microstructure of BaTiO3 Xerogds Prepared from High Concentration Met al Alkozide Solutions[J].Journal of Sol-Gel Science and Technology,2002,23:9-14.
KOWALSKI K,IJJAALI M,BAK T,et al.Electrical properties of Nb-doped BaTiO3[J].Phy Chem of Solids,2001,62:543-551.
[7]
林陪豪,曾中明.掺杂对PTC陶瓷材料影响的研究[J].佛山陶瓷,2003,9:4-6.
[8]
CHATTERJEE S,SENGUPTA K.MAITI H S.A miniature PTC thermistor based sensor elementfabricated by tape casting technique[J].Sens Actuators B,1999,60(2):155-160.
[9]
KLEINT,C A,STOEPEL U,ROST A.X-ray diffraction and conductivity investigations of lanthanum-doped barium titanate ceramics[J].Phys Status Solidi A,1989,115:165-172.
[10]
VOLTZKE D,ABICHT H P,PIPPEL E,et.al.Ca-containing additives in PTc-BaTiO3 ceramics:effects on the microstructural evolution[J].Eur Ceram Soc,2000,20:1663-1669.
[11]
CHEN L F,TSENG T Y.Grain-boundary surface states of(Ba,Pb)TiO3 positive temperature coefficient ceramics doped with different additives and its influence on electrical properties[J].IEEE T Compon Pack Manu A,1996,19:423-430.
[12]
ZAIC I,DROFENIK M.Semiconducting BaTiO3 ceramic prepared by low temperature liquid phase sintering[J].Mater Res,1998,13:660-664.
[13]
GILLOT C,MICHENAUD P,BAUKENS I.Microscopic original of the PTC effect in niobium-doped barium titanate[J].J Am Ceram Soc,1997,80:1043-1046.
[14]
HEYWANG W.Barium titanate as semiconductor with blocking layers[J].Solid State Electron,1961,3:51-58.
