Journal
MATERIALS LETTERS
Volume 213, Issue -, Pages 227-230Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2017.11.045
Keywords
Interface; Particles; Structure; Electron microscopy
Funding
- Ministry of Science and Technology, Taiwan [MOST 104-2221-E-009-029-MY3]
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Solid state reaction in nanometer scale at the interface between TiN and MgO can result in formation of Mg3TiO4 particles which has not reported before. The structure of the newly found oxide is characterized with spherical-aberration corrected scanning transmission electron microscopy at atomic resolution with X-ray energy dispersive spectroscopy. The nanosized Mg3TiO4 oxide particles formed in MgO underneath the epitaxial TN film with cube-on-cube coherent relationship with both MgO and TiN, i.e. TiN(0 0 1) parallel to Mg-Ti-O(0 0 1) parallel to MgO(0 0 1) and TiN[1 1 0] parallel to| Mg-Ti-O[1 1 0] parallel to MgO[1 1 0]. Mg3TiO4 is identified to have cubic structure (lattice parameter a = 0.842 nm) with space group of Fd (3) over barm. (C) 2017 Elsevier B.V. All rights reserved.
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