Dielectric permittivityand Fe- and Cu-doping effect in KTaO.sub.3./sub. and K.sub.1-x./sub.Li.sub.x./sub.TaO.sub.3./sub..

Name: Dielectric permittivityand Fe- and Cu-doping effect in KTaO.sub.3./sub. and K.sub.1-x./sub.Li.sub.x./sub.TaO.sub.3./sub..
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Trepakov, V. A.; Vikhnin, V. A.; Savinov, Maxim; Syrnikov, P. P.; Kapphan, S.; Lemanov, V.; Hesse, H.; Jastrabík, Lubomír

Number of the records: 1

Dielectric permittivityand Fe- and Cu-doping effect in KTaO.sub.3./sub. and K.sub.1-x./sub.Li.sub.x./sub.TaO.sub.3./sub..

1.

SYSNO ASEP	0133224
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Ostatní články
Title	Dielectric permittivityand Fe- and Cu-doping effect in KTaO₃ and K_1-xLi_xTaO₃.
Author(s)	Trepakov, V. A. (RU) Vikhnin, V. A. (RU) Savinov, Maxim (FZU-D)_{RID, ORCID} Syrnikov, P. P. (RU) Kapphan, S. (DE) Lemanov, V. (RU) Hesse, H. (DE) Jastrabík, Lubomír (FZU-D)_{RID, ORCID}
Source Title	Ferroelectrics. - : Taylor & Francis - ISSN 0015-0193 Roč. 253, - (1999), s. 58-75
Number of pages	17 s.
Language	eng - English
Country	GB - United Kingdom
Subject RIV	BM - Solid Matter Physics ; Magnetism
CEZ	AV0Z1010914 - FZU-D
Annotation	The temperature-frequency behavior of the permittivity eta'(T,f) and tan[delta(T,F)](5-300 K, 100Hz-1MHz) were comparatively studied in nominal pure KTaO_3 and K_1-xLi_xTaO_3 (x=0.001, 0.01 and 0.03) doped by Cu and Fe single crystals. The possible mechanisms of polarization relaxation, dipol ordering and ferroelectric-type phase transition with a critical dynamic central peak in K_1-xLi_xTaO_3 doped by strong soft dipole defects are discussed.
Workplace	Institute of Physics
Contact	Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579
Year of Publishing	2002

Number of the records: 1