Local property measurement in PTC thermistors

Acta Materialia

Volumn 51, Issue 20, 2003, Pages 6027-6034

  Seaton, J ^a   Leach, C ^a  

^a UNIVERSITY OF MANCHESTER   (United Kingdom)

Author keywords

Coincidence lattice; Electrical conductivity; Electroceramics; Electron backscattering patterns; Interfaces

Indexed keywords

BACKSCATTERING; BARIUM TITANATE; COMPOSITION; DOPING (ADDITIVES); ELECTRIC CONDUCTIVITY; ELECTRIC RESISTANCE; GRAIN BOUNDARIES; MICROSTRUCTURE; POSITIVE TEMPERATURE COEFFICIENT; SINTERING; SUBSTITUTION REACTIONS; VAPORIZATION;

ELECTROCERAMICS;

THERMISTORS;

EID: 0242691936     PISSN: 13596454     EISSN: None     Source Type: Journal    
DOI: 10.1016/S1359-6454(03)00387-2     Document Type: Article

References (25)

1. Goodman G. Electrical conduction anomaly in samarium-doped barium titanate. J Am Ceram Soc. 46:1963;48-54.
2. Heywang W. Resistivity anomaly in doped barium titanate. J Am Ceram Soc. 47:1964;484-490.
3. Jonker GH. 'Adv. in ceramics', 1, grain boundary phenomena in electronic ceramics. Am. Ceram. Soc. 1981;1:155.
4. 3 ceramics. Sol Stat Elec. 16:1973;617-622.
5. Nemoto H., Oda I. Direct examinations of PTC action of single grain. J Am Ceram Soc. 63:1980;398-401.
6. 3 ceramics with substitutional Nb and Mn as impurities. J Appl Phys. 83:1998;1592-1603.
7. Jaffe B., Cook W.R., Jaffe H. Piezoelectric ceramics. 1971;94 Academic Press.
8. Yasuhiro N. Murata Manufacturing Co Ltd, European Patent 0 97482 A3, 27 July 1999.
9. 3 ceramics: effects on the microstructural evolution. J Eur Ceram Soc. 20:2000;1663-1669.
10. 3 ceramics. Sol Stat Elec. 16:1973;617-622.
11. Nemoto H., Oda I. Direct examinations of PTC action of single grain. J Am Ceram Soc. 63:1980;398-401.
12. Kuwabara M., Morimo K., Matsunaga T. Single-grain boundaries in PTC resistors. J Am Ceram Soc. 79:1996;997-1001.
13. 3 based thermistor. J Mater Sci. 32:1997;4641-4643.
14. Desu S.B., Payne D.A. Interfacial segregation in perovskites: IV, internal boundary layer devices. J Am Ceram Soc. 73:1990;3416-3421.
15. Blamey J.M., Parry T.V. The effect of processing variables on the mechanical and electrical properties of barium titanate PTCR ceramics (Part 1). J Mater Sci. 28:1993;4311-4316.
16. 3. J Mater Sci Lett. 14:1995;537-538.
17. Hayashi K., Yamamoto T., Sakuma T. Grain orientation dependence of the PTCR effect in niobium-doped barium titanate. J Am Ceram Soc. 79:1996;1669-1672.
18. Hayashi K., Yamamoto T., Ikuhara Y., Sakuma T. Grain boundary electrical barriers in PTC thermistors. J Appl Phys. 86:1999;2909-2913.
19. Ernst F., Mulvihill M.L., Kienzle O., Ruhle M. Preferred grain orientation relationships in sintered perovskite ceramics. J Am Ceram Soc. 84:2001;1885-1890.
20. Channel 5 diffraction pattern analysis software, HKL, Denmark, 2001.
21. Humphreys F.J. Vmap 8.5. 2001;Manchester Materials Science Centre.
22. Wang S.-H., Hwang F.-S., Tseng T.-T. Fabrication of high Curie point barium-lead titanate PTCR ceramics. J Am Ceram Soc. 73:1990;2767-2770.
23. 3 ceramics. J Mater Sci. 26:1991;2337-2342.
24. 3-based PTC thermistors. J Eur Ceram Soc. 14:1994;481-492.
25. Kuwabara M., Kumamoto K. PTCR characteristics in barium titanate ceramics with curie points between 60 and 360 degrees centigrade. J Am Ceram Soc. 66:1983;C214-C215.