✦ LIBER ✦

Pyroelectric properties of ferroelectric superlattice with two alternative layers on transverse Ising model

✍ Scribed by A. Tabyaoui; A. Ainane; B. Movaghar; M. Saber

Publisher: Elsevier Science
Year: 2003
Tongue: English
Weight: 194 KB
Volume: 329
Category: Article
ISSN: 0378-4371
DOI: 10.1016/s0378-4371(03)00631-9

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✦ Synopsis

The pyroelectric properties and the Curie temperature of a ferroelectric/ferroelectric superlattice with two alternative layers are studied for the transverse Ising model using the e ective ÿeld theory with a probability distribution technique. The pyroelectric coe cient of bulk materials shows a sharp peak at the Curie temperature. For large-period superlattices two pyroelectric peaks are found. The pyroelectric peak at low temperatures disappears when the period is very small.

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