Electron microscopy
 
Angles between Polarization Vectors of Adjacent Domains
in Various Crystalline Phases in Ferroelectrics
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Table 1775. Angles between polarization vectors of adjacent domains in various crystalline phases in ferroelectrics.

Crystalline phase Domains Polarization vectors Angles Examples (see more at page1805) Remarks Reference
Monoclinic     Cannot be determined exactly due to the irregularity of the walls Pb(Mg1/3Nb2/3)O3 – PbTiO3 (Pm phase)    
Orthorhombic   Lies along one of the face diagonals of the original cube 60° BaTiO3, KNbO3 Described as a distortion of cubic cell [6]
  90° BaTiO3 [6]
  120° BaTiO3 [6]
  180° BaTiO3 [1, 2, 3, 6]
Rhombohedral     71° PbZrO3   [7]
    109° PbZrO3   [7]
Tetragonal a-domain, c-domain & b-domain. a–c-domain wall   90° Twinned tetragonal BaTiO3 perovskite type at the first-order phase transition   [5]
  180°   [4, 5]

 

 

 

 

[1] E. Wiessendanger, Czech. J. Phys. B 23 (1973) 91-99.
[2] M. Ahtee and A.M. Glazer, Acta Cryst. A32 (1976) 434-446. 
[3] Jeong-Ho Cho, Yong-Hyun Lee and Byung-Ik Kim, Domain structure of orthorhombic (Li,K,Na)NbO3 ceramics, Journal of Ceramic Processing Research, 11(2), 237-240 (2010).
[4] Jeong-Ho Cho, Yong-Hyun Lee, Kyu-Suk Han, Myoung-Pyo Chun, Joong-Hee Nam and Byung-Ik Kim, Effect of Domain Size on the Coercive Field of Orthorhombic (Li, K, Na)NbO3 Ceramics, Journal of the Korean Physical Society, 57(4), 2010, 971-974.
[5] Fesenko EG, Gavrilyachenko VG, Semenchev AF, (1990) Domain Structure of Multiaxial Ferroelectric Crystals. (Rostov University Press, Rostov-on-Don (in Russian), 1990). 
[6] Tsuda, K., Sano, R. & Tanaka, M. Nanoscale local structures of rhombohedral symmetry in the orthorhombic and tetragonal phases of BaTiO3 studied by convergent-beam electron diffraction. Phys. Rev. B 86, 214106 (2012).
[7] Topolov VYu, Balyunis LE, Turik AV, Bah IS, Fesenko OE, Interphase boundaries at cubicrhombohedral phase transition in PbZrO3 crystals. Bulletin of the Russian Academy of Sciences. Physics 56:1588–1593 (1992).


 
 
 
 

 

 

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