Solid-state spreading of oxides: Morphology and conductivity of In2O3-based films / Neiman A.,Yakovlev S. // SOLID STATE SCIENCES. - 2007. - V. 9, l. 2. - P. 185-195.

ISSN/EISSN:

1293-2558 / нет данных

Type:

Article

Abstract:

Spontaneous solid-state spreading of In2O3 over the surface of ceramic and single crystal substrates of Al2O3, ZrO2(0.08Y(2)O(3)), Y3Al5O12 and YAlO3 at 1380 and 1500 degrees C has been investigated. The films structure, element and phase composition were studied by means of XRD and SEM/EDS. The phase compositions of all films correspond to that of powder In2O3. The most films are dense with monolithic ``film/substrate{''} interface. AC-conductivity in the range 25-250 degrees C is reported. Depending on the substrate material, the films demonstrate a whole set of conductivity types (semi-conductive, metallic) and wide range of magnitudes (more than 3 orders). Thermodynamic and kinetic aspects of oxide spreading and subsequent crystallization on the surface of primary border film are discussed. It is shown, in particular, that the solid-state spreading is facilitated in systems with high chemical affinity (mutual solubility, formation of intermediate interface compounds). In the case of eutectic-type systems, heteroepitaxy of diffusant at substrate surface results in formation of dense films. (c) 2006 Elsevier Masson SAS. All rights reserved.

Author keywords:

surface and interface phenomena; surface energy; solid-state spreading; solid-state wetting; conductivity; In2O3-based films GRAIN-BOUNDARY; GROWTH

DOI:

10.1016/j.solidstatesciences.2

Web of Science ID:

ISI:000245212400009

Соавторы в МНС:

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Другие поля

Поле	Значение
Month	FEB
Publisher	ELSEVIER SCIENCE BV
Address	PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
Language	English
Keywords-Plus	GRAIN-BOUNDARY; GROWTH
Research-Areas	Chemistry; Physics
Web-of-Science-Categories	Chemistry, Inorganic \& Nuclear; Chemistry, Physical; Physics, Condensed Matter
Author-Email	arkady.neiman@usu.ru
Number-of-Cited-References	24
Usage-Count-Last-180-days	1
Usage-Count-Since-2013	4
Journal-ISO	Solid State Sci.
Doc-Delivery-Number	150JL