期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 332, 期 -, 页码 67-70出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2012.12.017
关键词
Cobalt titanate; Pulsed laser deposition; Antiferromagnetism
资金
- ERC Advanced Investigator (NOVOX) [247276]
- European Research Council (ERC) [247276] Funding Source: European Research Council (ERC)
CoTiO3 (CTO) thin films were grown on single crystal SrTiO3 (STO) (001) substrates by pulsed laser deposition, with thicknesses ranging between 2.6 and 25 nm. Two-dimensional growth is observed up to a thickness of 2 unit cells, but then the film partially relaxes with CTO [100] oriented parallel to STO [110] and CTO [001] oriented parallel to the STO [001]. Magnetic characterization of our films revealed an enhancement of the antiferromagnetic Neel temperature (to similar to 53 K) when compared to the bulk (38 K). This is attributed to a tensile c-axis strain as evidenced from x-ray diffraction measurements. (C) 2012 Elsevier B.V. All rights reserved.
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