ROUSSET A,LEGROS R,LAGRANGE A.Recent progress in the fabrication of ceramic negative temperature coefficient thermistors[J]. J Eur Ceram Soc,1994,13(3):185-195. [2]FRITSCH S,SARRIAS J,BRIEU M,et al.Correlation between the structure,the microstructure and the electrical properties of nickel manganite negative temperature coefficient(NTC)thermistors[J]. Solid State Ionics,1998,109(3/4):229-237. [3]KANADE S A,VIJAYA Puri.Electrical properties of thick-film NTC thermistor composed of Ni_(0.8)Co_(0.2)Mn_2O_4 ceramic:effect of inorganic oxide binder[J].Mater Res Bull,2008,43(4):819-824. [4]JUSTIN M Varghese,SEEMA A,DAYAS K R,et al.Microstructural, electrical and reliability aspects of chromium doped Ni-Mn-Fe-O NTC thermistor materials[J].Mater Sci Eng:B,2008,149(1):47-52. [5]T(O|¨)PFER J,FELTZ A.Investigations on electronically conducting oxide systems XXIV[1]:preparation and electrical properties of the spinel series Cu_2NiMn_(2-z)O_4[J].Solid State Ionics,1993,59(3/4):249- 256. [6]TAKAHASHI J,MIURA A,ITOH H,et al.Phase change and electrical resistivity of Zn-Mn-Ni-O-based NTC thermistors produced using IZC powder recycled from used dry batteries[J].Ceram Int,2008, 34(4):853-857. [7]SICKAFUS Kurt E,WILLS John M,GRIMES Norman W.Structure of spinel[J].JAm Ceram Soc,1999,82(12):3279-3292. [8]MACKLEN E D.Electrical conductivity and cation distribution in nickel manganite[J].J Phys Chem Solids,1986,47(11):1073-1079. [9]GROEN W A,METZMACHER C,HUPPERTZ P,et al.Aging of NTC ceramics in the system Mn-Ni-Fe-O[J].J Electroceram,2001,7(2): 77-87. [10]POIX P.Sur une m■thode de d■termination des distances cationoxyg■ne dans les oxydes mixtes■structure spinelle,application des valeurs■quelques cas particuliers[J].Bull Soc Chim,1965,5: 1085-1087.