Yttria-stabilized zirconia/SrTiO3 oxide heteroepitaxial interface with symmetry discontinuity | Zendy

Mateusz Ścigaj | Zendy; N. Dix | Zendy; Mariona Cabero | Zendy; A. Rivera | Zendy; J. Santamarı́a | Zendy; J. Fontcuberta | Zendy; G. Herranz | Zendy; F. Sánchez | Zendy

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Yttria-stabilized zirconia/SrTiO3 oxide heteroepitaxial interface with symmetry discontinuity

Author(s) -

Mateusz Ścigaj,

N. Dix,

Mariona Cabero,

A. Rivera,

J. Santamarı́a,

J. Fontcuberta,

G. Herranz,

F. Sánchez

Publication year - 2014

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.4885089

Subject(s) - yttria stabilized zirconia , epitaxy , cubic zirconia , materials science , discontinuity (linguistics) , classification of discontinuities , oxide , condensed matter physics , layer (electronics) , substrate (aquarium) , crystallography , composite material , chemistry , metallurgy , geology , physics , ceramic , mathematical analysis , oceanography , mathematics

We show that yttria-stabilized zirconia (YSZ) films deposited on structurally dissimilar SrTiO_(3)(110) substrates exhibit two-dimensional layer-by-layer growth. We observed that, up to a thickness of about 15 nm, the square (001) basal plane of the cubic YSZ grows epitaxially on the rectangular (110) crystallographic plane of SrTiO3 substrates, with [110]YSZ(001)//[001]SrTiO_(3)(110) epitaxial relationship. Thus, the heterointerface presents symmetry discontinuity between the YSZ(001) film and the lower surface symmetry SrTiO_(3)(110) substrate. Beyond this specific case, we envisage similar approaches to develop other innovative oxide interfaces showing similar crystal symmetry discontinuities

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