Order–disorder reactions in the ferroelectric perovskites Pb(Sc1/2Nb1/2)O3 and Pb(Sc1/2Ta1/2)O3: I. Kinetics of the ordering process

C.G.F. Stenger; A.J. Burggraaf

doi:10.1002/pssa.2210610132

Order–disorder reactions in the ferroelectric perovskites Pb(Sc_1/2Nb_1/2)O₃ and Pb(Sc_1/2Ta_1/2)O₃: I. Kinetics of the ordering process

C.G.F. Stenger, A.J. Burggraaf

Inorganic Materials Science

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Abstract

The perovskites Pb(Sc1/2Nb1/2)O3 and Pb(Sc1/2Ta1/2)O3 can be obtained in a disordered state by means of a synthesis at high temperature (1250 to 1500°C). Ordering of the trivalent and pentavalent ions occurs during annealing at lower temperatures. The kinetics of this ordering process are investigated by means of X-ray diffraction, dielectric polarisation, and DSC measurements. The ordering process proceeds via a nucleation-growth process and the average diameter of the ordered domains as a function of the annealing time is determined by X-ray line broadening. Disordering experiments are carried out on Pb(Sc1/2Nb1/2)O3 and an order-disorder transition temperature of 1210°C is yielded.

Original language	English
Pages (from-to)	275-285
Journal	Physica Status Solidi A: Applied research
Volume	61
Issue number	1
DOIs	https://doi.org/10.1002/pssa.2210610132
Publication status	Published - 1980

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title = "Order–disorder reactions in the ferroelectric perovskites Pb(Sc1/2Nb1/2)O3 and Pb(Sc1/2Ta1/2)O3: I. Kinetics of the ordering process",

abstract = "The perovskites Pb(Sc1/2Nb1/2)O3 and Pb(Sc1/2Ta1/2)O3 can be obtained in a disordered state by means of a synthesis at high temperature (1250 to 1500°C). Ordering of the trivalent and pentavalent ions occurs during annealing at lower temperatures. The kinetics of this ordering process are investigated by means of X-ray diffraction, dielectric polarisation, and DSC measurements. The ordering process proceeds via a nucleation-growth process and the average diameter of the ordered domains as a function of the annealing time is determined by X-ray line broadening. Disordering experiments are carried out on Pb(Sc1/2Nb1/2)O3 and an order-disorder transition temperature of 1210°C is yielded.",

author = "C.G.F. Stenger and A.J. Burggraaf",

year = "1980",

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T1 - Order–disorder reactions in the ferroelectric perovskites Pb(Sc1/2Nb1/2)O3 and Pb(Sc1/2Ta1/2)O3

T2 - I. Kinetics of the ordering process

AU - Stenger, C.G.F.

AU - Burggraaf, A.J.

PY - 1980

Y1 - 1980

N2 - The perovskites Pb(Sc1/2Nb1/2)O3 and Pb(Sc1/2Ta1/2)O3 can be obtained in a disordered state by means of a synthesis at high temperature (1250 to 1500°C). Ordering of the trivalent and pentavalent ions occurs during annealing at lower temperatures. The kinetics of this ordering process are investigated by means of X-ray diffraction, dielectric polarisation, and DSC measurements. The ordering process proceeds via a nucleation-growth process and the average diameter of the ordered domains as a function of the annealing time is determined by X-ray line broadening. Disordering experiments are carried out on Pb(Sc1/2Nb1/2)O3 and an order-disorder transition temperature of 1210°C is yielded.

AB - The perovskites Pb(Sc1/2Nb1/2)O3 and Pb(Sc1/2Ta1/2)O3 can be obtained in a disordered state by means of a synthesis at high temperature (1250 to 1500°C). Ordering of the trivalent and pentavalent ions occurs during annealing at lower temperatures. The kinetics of this ordering process are investigated by means of X-ray diffraction, dielectric polarisation, and DSC measurements. The ordering process proceeds via a nucleation-growth process and the average diameter of the ordered domains as a function of the annealing time is determined by X-ray line broadening. Disordering experiments are carried out on Pb(Sc1/2Nb1/2)O3 and an order-disorder transition temperature of 1210°C is yielded.

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DO - 10.1002/pssa.2210610132

M3 - Article

SN - 0031-8965

VL - 61

SP - 275

EP - 285

JO - Physica Status Solidi A: Applied research

JF - Physica Status Solidi A: Applied research

IS - 1

ER -

Order–disorder reactions in the ferroelectric perovskites Pb(Sc1/2Nb1/2)O3 and Pb(Sc1/2Ta1/2)O3: I. Kinetics of the ordering process

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Order–disorder reactions in the ferroelectric perovskites Pb(Sc_1/2Nb_1/2)O₃ and Pb(Sc_1/2Ta_1/2)O₃: I. Kinetics of the ordering process