期刊
JOURNAL OF THE KOREAN PHYSICAL SOCIETY
卷 56, 期 6, 页码 1814-1817出版社
KOREAN PHYSICAL SOC
DOI: 10.3938/jkps.56.1814
关键词
SrIrO3; Thin film; Pulsed laser deposition; Conical structure
资金
- Korea government (MEST) [2009-0077249, 2009-0080567, 2010-0020416]
- Korean Government [KRF-2008-313-C00260]
- National Research Foundation of Korea [2009-0077249] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
We have investigated the details of the growth behavior of epitaxially-stabilized 5d perovskite SrIrO3 thin films deposited by using a pulsed laser deposition method. During the deposition, a marked decrease in plume size was observed, which was accompanied by the formation of Ir-rich conical structures on the surface of the polycrystalline SrIrO3 target. High-resolution X-ray diffraction studies revealed that films thicker than certain thickness exhibited a mixed character of a high-quality phase and a relatively poor-quality phase while thinner films showed a high crystalline quality. These observations offer valuable information on the correlation between the plume status and the crystalline quality of iridate thin films.
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