Terbium Substituted Lanthanum Orthoniobate: Electrical and Structural Properties - Publikacja - MOST Wiedzy

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Terbium Substituted Lanthanum Orthoniobate: Electrical and Structural Properties

Abstrakt

The results of electrical conductivity studies, structural measurements and thermogravimetric analysis of La1−xTbxNbO4+δ (x = 0.00, 0.05, 0.1, 0.15, 0.2, 0.3) are presented and discussed. The phase transition temperatures, measured by high-temperature x-ray diffraction, were 480 °C, 500 °C, and 530 °C for La0.9Tb0.1NbO4+δ, La0.8Tb0.2NbO4+δ, and La0.7Tb0.3NbO4+δ, respectively. The impedance spectroscopy results suggest mixed conductivity of oxygen ions and electron holes in dry conditions and protons in wet. The water uptake has been analyzed by the means of thermogravimetry revealing a small mass increase in the order of 0.002% upon hydration, which is similar to the one achieved for undoped lanthanum orthoniobate.

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Kacper Dzierzgowski, Sebastian Lech Wachowski, Maria Gazda, Aleksandra Dorota Mielewczyk-Gryń. (2019). Terbium Substituted Lanthanum Orthoniobate: Electrical and Structural Properties, 9(2), 1-14. https://doi.org/10.3390/cryst9020091

Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
Crystals nr 9, wydanie 2, strony 1 - 14,
ISSN: 2073-4352
Język:
angielski
Rok wydania:
2019
Opis bibliograficzny:
Dzierzgowski K., Wachowski S., Gazda M., Mielewczyk-Gryń A.: Terbium Substituted Lanthanum Orthoniobate: Electrical and Structural Properties// Crystals. -Vol. 9, iss. 2 (2019), s.1-14

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