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Dielectric relaxation behaviour of protonated and deuterated betaine arsenate

Title
Dielectric relaxation behaviour of protonated and deuterated betaine arsenate
Type
Article in International Scientific Journal
Year
1998
Authors
Almeida, A
(Author)
FCUP
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Moreira, JA
(Author)
Other
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Chaves, MR
(Author)
FCUP
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Klopperpieper, A
(Author)
Other
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Pinto, F
(Author)
Other
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Journal
Vol. 10
Pages: 3035-3044
ISSN: 0953-8984
Scientific classification
FOS: Natural sciences > Physical sciences
Other information
Authenticus ID: P-001-84F
Abstract (EN): This work reports the study of the dielectric relaxation of betaine arsenate (BA) and of strongly deuterated betaine arsenate (DBA92) below room temperature for different values of d.c. electric fields, in the frequency range of 50 Hz-13 MHz. The main contributions for dielectric constant come from low-frequency relaxation modes. Some evidence for the existence of a new antiferroelectric phase in BA was found, stable in a short range of temperatures.
Language: English
Type (Professor's evaluation): Scientific
No. of pages: 10
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