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Payne, David A. Yang, Pin 2011-05-07T12:14:14Z 2011-05-07T12:14:14Z 10000-01-01 1992 Antiferroelectric(AFE)-ferroelectric(FE) phase transformations in the tin modified lead zirconate-lead titanate (Pb(Zr,Sn,Ti)O$\sb3,$ i.e., PZST) system were investigated. The field-induced transformation behavior was studied as a function of temperature, pressure, and microstructure. Emphasis is placed on (i) the thermal stability of the AFE-FE transformation, including thermal hysteresis, (ii) microstructure-property relations, and (iii) electromechanical response of the field-induced transformation behavior for actuator applications. A thermodynamic model is proposed to account for the thermal stability of the field-induced transformation characteristics, including reversible and irreversible phenomena. Results are interpreted in terms of thermodynamic relations, and are shown to be interrelated and self-consistent. Fundamental issues underlying the thermodynamic relationships are discussed from the perspective of lattice dynamics theory. Made available in DSpace on 2011-05-07T12:14:14Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 9305742.pdf: 7535977 bytes, checksum: 30d31f2e0ff52a4312753df5312e0882 (MD5) Previous issue date: 1992 Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:38:30Z Item is restricted indefinitely. Restriction data tranferred 2014-07-01T11:16:04-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission ETDs are only available to UIUC Users without author permission U of I Only AAI9305742 (UMI)AAI9305742 http://hdl.handle.net/2142/19652 eng Copyright 1992 Yang, Pin Engineering, Electronics and Electrical Engineering, Mechanical Engineering, Materials Science Electrically induced antiferroelectric-ferroelectric phase transformations in lead-zirconate titanate stannate ceramics text Materials Science and Engineering Materials Engineering University of Illinois at Urbana-Champaign Dissertation Ph.D.